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• GADTs and Scrap your Boilerplate

  - by finnsson

  I'm writing a XML (de)serializer using Text.XML.Light and Scrap your Boilerplate (at http://github.com/finnsson/Text.XML.Generic) and so far I got working code for "normal" ADTs but I'm stuck at deserializing GADTs. I got the GADT data DataBox where DataBox :: (Show d, Eq d, Data d) => d -> DataBox and I'm trying to get this to compile instance Data DataBox where gfoldl k z (DataBox d) = z DataBox `k` d gunfold k z c = k (z DataBox) -- not OK toConstr (DataBox d) = toConstr d dataTypeOf (DataBox d) = dataTypeOf d but I can't figure out how to implement gunfold for DataBox. The error message is Text/XML/Generic.hs:274:23: Ambiguous type variable `b' in the constraints: `Eq b' arising from a use of `DataBox' at Text/XML/Generic.hs:274:23-29 `Show b' arising from a use of `DataBox' at Text/XML/Generic.hs:274:23-29 `Data b' arising from a use of `k' at Text/XML/Generic.hs:274:18-30 Probable fix: add a type signature that fixes these type variable(s) It's complaining about not being able to figure out the data type of b. I'm also trying to implement dataCast1 and dataCast2 but I think I can live without them (i.e. an incorrect implementation). I guess my questions are: Is it possible to combine GADTs with Scrap your Boilerplate? If so: how do you implement gunfold for a GADT?

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• Is the Subversion 'stack' a realistic alternative to Team Foundation Server?

  - by Robert S.

  I'm evaluating Microsoft Team Foundation Server for my customer, who currently uses Visual SourceSafe and nothing else. They have explicitly expressed a desire to implement a more rigid and process-driven environment as their application is in production and they have future releases to consider. The particular areas I'm trying to cover are: Configuration management (e.g., source control) Change management (workflow and doco for change requests, tasks) Release management (builds and deployments) Incident and problem management (issues and bugs) Document management (similar to source control, but available via web) Code analysis constraints on check-ins A testing framework Reporting Visual Studio 2008 integration TFS does all of these things quite well, but it's expensive and complex to maintain, and the inexpensive Workgroup edition doesn't scale. We don't get TFS as part of our MSDN subscription. Those problems can be overcome, but before I tell my customer to go the TFS route, which in itself isn't a terrible thing, I wanted to evaluate the alternatives. I know Subversion is often suggested for its configuration management/source control, but what about the other areas? Would a combination of Subversion/NUnit/Wiki/CruiseControl/NAnt/something else satisfy all of these requirements? What tools do I need to include in my evaluation? Or should I just bite the bullet and go with TFS since we're already invested in the Microsoft stack?

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• Security strategies for storing password on disk

  - by Mike

  I am building a suite of batch jobs that require regular access to a database, running on a Solaris 10 machine. Because of (unchangable) design constraints, we are required use a certain program to connect to it. Said interface requires us to pass a plain-text password over a command line to connect to the database. This is a terrible security practice, but we are stuck with it. I am trying to make sure things are properly secured on our end. Since the processing is automated (ie, we can't prompt for a password), and I can't store anything outside the disk, I need a strategy for storing our password securely. Here are some basic rules The system has multiple users. We can assume that our permissions are properly enforced (ie, if a file with a is chmod'd to 600, it won't be publically readable) I don't mind anyone with superuser access looking at our stored password Here is what i've got so far Store password in password.txt $chmod 600 password.txt Process reads from password.txt when it's needed Buffer overwritten with zeros when it's no longer needed Although I'm sure there is a better way.

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• "end()" iterator for back inserters?

  - by Thanatos

  For iterators such as those returned from std::back_inserter(), is there something that can be used as an "end" iterator? This seems a little nonsensical at first, but I have an API which is: template<typename InputIterator, typename OutputIterator> void foo( InputIterator input_begin, InputIterator input_end, OutputIterator output_begin, OutputIterator output_end ); foo performs some operation on the input sequence, generating an output sequence. (Who's length is known to foo but may or may not be equal to the input sequence's length.) The taking of the output_end parameter is the odd part: std::copy doesn't do this, for example, and assumes you're not going to pass it garbage. foo does it to provide range checking: if you pass a range too small, it throws an exception, in the name of defensive programming. (Instead of potentially overwriting random bits in memory.) Now, say I want to pass foo a back inserter, specifically one from a std::vector which has no limit outside of memory constraints. I still need a "end" iterator - in this case, something that will never compare equal. (Or, if I had a std::vector but with a restriction on length, perhaps it might sometimes compare equal?) How do I go about doing this? I do have the ability to change foo's API - is it better to not check the range, and instead provide an alternate means to get the required output range? (Which would be needed anyways for raw arrays, but not required for back inserters into a vector.) This would seem less robust, but I'm struggling to make the "robust" (above) work.

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• Should core application configuration be stored in the database, and if so what should be done to se

  - by Rl

  I'm writing an application around a lot of hierarchical data. Currently the hierarchy is fixed, but it's likely that new items will be added to the hierarchy in the future. (please let them be leaves) My current application and database design is fairly generic and nothing dealing with specific nodes in the hierarchy is hardcoded, with the exception of validation and lookup functions written to retrieve external data from each node's particular database. This pleases me from a design point of view, but I'm nervous at the realization that the entire application rests on a handful of records in the database. I'm also frustrated that I have to enforce certain aspects of data integrity with database triggers rather than by foreign key constraints (an example is where several different nodes in the hierarchy have their own proprietary IDs and I store them in a single column which, when coupled with the node ID can be used to locate the foreign data). I'm starting to wonder whether it may have been appropriate to simply hardcoded these known nodes into the system so that it would be more "type safe" and less generic. How does one know when something should be hardcoded, and when it should be a configuration item? Is it just a cost-benefit analysis of clarity/safety now vs less work later, or am I missing some metric I should be using to determine whether or not this is appropriate. The steps I'm taking to protect these valuable configurations are to add triggers that prevent updates/deletes. The database user that this application uses will only have the ability to manipulate data through stored procedures. What else can I do?

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• Can you explain this generics behavior and if I have a workaround?

  - by insta

  Sample program below: using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace GenericsTest { class Program { static void Main(string[] args) { IRetrievable<int, User> repo = new FakeRepository(); Console.WriteLine(repo.Retrieve(35)); } } class User { public int Id { get; set; } public string Name { get; set; } } class FakeRepository : BaseRepository<User>, ICreatable<User>, IDeletable<User>, IRetrievable<int, User> { // why do I have to implement this here, instead of letting the // TKey generics implementation in the baseclass handle it? //public User Retrieve(int input) //{ // throw new NotImplementedException(); //} } class BaseRepository<TPoco> where TPoco : class,new() { public virtual TPoco Create() { return new TPoco(); } public virtual bool Delete(TPoco item) { return true; } public virtual TPoco Retrieve<TKey>(TKey input) { return null; } } interface ICreatable<TPoco> { TPoco Create(); } interface IDeletable<TPoco> { bool Delete(TPoco item); } interface IRetrievable<TKey, TPoco> { TPoco Retrieve(TKey input); } } This sample program represents the interfaces my actual program uses, and demonstrates the problem I'm having (commented out in FakeRepository). I would like for this method call to be generically handled by the base class (which in my real example is able to handle 95% of the cases given to it), allowing for overrides in the child classes by specifying the type of TKey explicitly. It doesn't seem to matter what parameter constraints I use for the IRetrievable, I can never get the method call to fall through to the base class. Also, if anyone can see an alternate way to implement this kind of behavior and get the result I'm ultimately looking for, I would be very interested to see it. Thoughts?

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• Django Save Incomplete Progress on Form

  - by jimbob

  I have a django webapp with multiple users logging in and fill in a form. Some users may start filling in a form and lack some required data (e.g., a grant #) needed to validate the form (and before we can start working on it). I want them to be able to fill out the form and have an option to save the partial info (so another day they can log back in and complete it) or submit the full info undergoing validation. Currently I'm using ModelForm for all the forms I use, and the Model has constraints to ensure valid data (e.g., the grant # has to be unique). However, I want them to be able to save this intermediary data without undergoing any validation. The solution I've thought of seems rather inelegant and un-django-ey: create a "Save Partial Form" button that saves the POST dictionary converts it to a shelf file and create a "SavedPartialForm" model connecting the user to partial forms saved in the shelf. Does this seem sensible? Is there a better way to save the POST dict directly into the db? Or is an add-on module that does this partial-save of a form (which seems to be a fairly common activity with webforms)? My biggest concern with my method is I want to eventually be able to do this form-autosave automatically (say every 10 minutes) in some ajax/jquery method without actually pressing a button and sending the POST request (e.g., so the user isn't redirected off the page when autosave is triggered). I'm not that familiar with jquery and am wondering if it would be possible to do this.

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• Is long long in C++ known to be very nasty in terms of precision?

  - by Kevin

  The Given Problem: Given a theater with n rows, m seats, and a list of seats that are reserved. Given these values, determine how many ways two friends can sit together in the same row. So, if the theater was a size of 2x3 and the very first seat in the first row was reserved, there would be 3 different seatings that these two guys can take. The Problem That I'm Dealing With The function itself is supposed to return the number of seatings that there are based on these constraints. The return value is a long long. I've gone through my code many many times...and I'm pretty sure that it's right. All I'm doing is incrementing this one value. However, ALL of the values that my function return differ from the actual solution by 1 or 2. Any ideas? And if you think that it's just something wrong with my code, please tell me. I don't mind being called an idiot just as long as I learn something.

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• Optimize Duplicate Detection

  - by Dave Jarvis

  Background This is an optimization problem. Oracle Forms XML files have elements such as: <Trigger TriggerName="name" TriggerText="SELECT * FROM DUAL" ... /> Where the TriggerText is arbitrary SQL code. Each SQL statement has been extracted into uniquely named files such as: sql/module=DIAL_ACCESS+trigger=KEY-LISTVAL+filename=d_access.fmb.sql sql/module=REP_PAT_SEEN+trigger=KEY-LISTVAL+filename=rep_pat_seen.fmb.sql I wrote a script to generate a list of exact duplicates using a brute force approach. Problem There are 37,497 files to compare against each other; it takes 8 minutes to compare one file against all the others. Logically, if A = B and A = C, then there is no need to check if B = C. So the problem is: how do you eliminate the redundant comparisons? The script will complete in approximately 208 days. Script Source Code The comparison script is as follows: #!/bin/bash echo Loading directory ... for i in $(find sql/ -type f -name \*.sql); do echo Comparing $i ... for j in $(find sql/ -type f -name \*.sql); do if [ "$i" = "$j" ]; then continue; fi # Case insensitive compare, ignore spaces diff -IEbwBaq $i $j > /dev/null # 0 = no difference (i.e., duplicate code) if [ $? = 0 ]; then echo $i :: $j >> clones.txt fi done done Question How would you optimize the script so that checking for cloned code is a few orders of magnitude faster? System Constraints Using a quad-core CPU with an SSD; trying to avoid using cloud services if possible. The system is a Windows-based machine with Cygwin installed -- algorithms or solutions in other languages are welcome. Thank you!

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• Web UI element to represent two different micro-views of data in the same spot?

  - by Chris McCall

  I've been tasked with laying out a portion of a screen for a customer care (call center) app that serves as sort of a header/summary block at the top of the screen. Here's what it looks like: The important part is in the red box. That little tooltip is the biz's vision for how to represent both the numeric SiteId and the textual Site Name all in the same piece of screen real estate. I asked, and the business thinks the Name is more important than the ID, but lists the Id by default, because the Name can't be truncated in the display, and there's only so much horizontal room to put the data. So they go with the Id, because it's fewer characters, and then they have the user mouse-over the Id to display the name (presumably because the tooltip can be of unlimited width and since it's floating over the rest of the screen, the full name will always be displayed. So, here's my question: Is there some better UI metaphor that I don't know about that could get this job done, while meeting the following constraints?: Does not require the mouse (uses a keyboard shortcut to do the "reveal") Allows the user to copy and paste the name Will not truncate the name Provides for the display of both the ID and name in the same spot Works with IE7

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• Strange type-related error

  - by vsb

  I wrote following program: isPrime x = and [x `mod` i /= 0 | i <- [2 .. truncate (sqrt x)]] primes = filter isPrime [1 .. ] it should construct list of prime numbers. But I got this error: [1 of 1] Compiling Main ( 7/main.hs, interpreted ) 7/main.hs:3:16: Ambiguous type variable `a' in the constraints: `Floating a' arising from a use of `isPrime' at 7/main.hs:3:16-22 `RealFrac a' arising from a use of `isPrime' at 7/main.hs:3:16-22 `Integral a' arising from a use of `isPrime' at 7/main.hs:3:16-22 Possible cause: the monomorphism restriction applied to the following: primes :: [a] (bound at 7/main.hs:3:0) Probable fix: give these definition(s) an explicit type signature or use -XNoMonomorphismRestriction Failed, modules loaded: none. If I specify signature for isPrime function explicitly: isPrime :: Integer -> Bool isPrime x = and [x `mod` i /= 0 | i <- [2 .. truncate (sqrt x)]] I can't even compile isPrime function: [1 of 1] Compiling Main ( 7/main.hs, interpreted ) 7/main.hs:2:45: No instance for (RealFrac Integer) arising from a use of `truncate' at 7/main.hs:2:45-61 Possible fix: add an instance declaration for (RealFrac Integer) In the expression: truncate (sqrt x) In the expression: [2 .. truncate (sqrt x)] In a stmt of a list comprehension: i <- [2 .. truncate (sqrt x)] 7/main.hs:2:55: No instance for (Floating Integer) arising from a use of `sqrt' at 7/main.hs:2:55-60 Possible fix: add an instance declaration for (Floating Integer) In the first argument of `truncate', namely `(sqrt x)' In the expression: truncate (sqrt x) In the expression: [2 .. truncate (sqrt x)] Failed, modules loaded: none. Can you help me understand, why am I getting these errors?

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• templated method on T inside a templated class on TT : Is that possible/correct.

  - by paercebal

  I have a class MyClass which is templated on typename T. But inside, I want a method which is templated on another type TT (which is unrelated to T). After reading/tinkering, I found the following notation: template <typename T> class MyClass { public : template<typename TT> void MyMethod(const TT & param) ; } ; For stylistic reasons (I like to have my templated class declaration in one header file, and the method definitions in another header file), I won't define the method inside the class declaration. So, I have to write it as: template <typename T> // this is the type of the class template <typename TT> // this is the type of the method void MyClass<T>::MyMethod(const TT & param) { // etc. } I knew I had to "declare" the typenames used in the method, but didn't know how exactly, and found through trials and errors. The code above compiles on Visual C++ 2008, but: Is this the correct way to have a method templated on TT inside a class templated on T? As a bonus: Are there hidden problems/surprises/constraints behind this kind of code? (I guess the specializations can be quite amusing to write)

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• Does IE6 Really not Allow Me to set width/height from left/right/top/bottom???

  - by viatropos

  Building a site super quick and having it work on all my Mac browsers, I thought I'd take a gander on a friends old dell laptop with Windows XP and IE6. Nothing looks remotely correct. It's because I used lots of left/right/top/bottom (constraint) declarations to size elements proportionally to their parent's size (I didn't use percent sizes because the percents refer to the parent's size before margins and padding are applied, left/right/top/bottom refer to them after with position:absolute. I'm asking about that here :)). I've read lots these past few weeks on how horrible IE6 (and IE) is in general, but because of all the reasons people say to support it (large market share and the fear of installing better software), and because half the people in the company we're building a site for use IE6 (getting them to upgrade to Chrome slowly but surely), I thought if I could just get IE6 to render my constraints, that might help. So I am messing around with simple layouts here, and they work fine in my latest versions of Firefox, Safari, Chrome, and Opera, but IE6 is basically saying: If you haven't set a width or height on me, I'm assuming it's zero. But position:absolute; left:0px; right:0px; top:0px; bottom:0px; on a container that's width:1000px; height:1000px; should be the same as setting width:1000px; height:1000px on the child, no? Taking a quick look at the source for this, why won't IE6 render the constraint based absolutely positioned AND SIZED elements? (note: I will be messing around with that file for a while) Thanks

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• Silverlight ~ MVVM ~ Dynamic setting of Style property based on model value

  - by eponymous23

  I have a class called Question that represents a question and it's answer. I have an application that renders an ObservableCollection of Question objects. Each Question is rendered as a StackPanel that contains a TextBlock for the question verbiage, and a TextBox for the user to enter in an answer. The questions are rendered using an ItemsControl, and I have initially set the Style of the Questions's StackPanel using a StaticResource key called 'IncorrectQuestion' (defined in UserControl.Resources section of the page). In the UserControl.Resources section, I've also defined a key calld 'CorrectQuestion' which I need to somehow apply to the Question's StackPanel when the user correctly answers the question. My problem is I'm not sure how to dynamically change the Style of the StackPanel, specifically within the constraints of a ViewModel class (i.e. I don't want to put any style selection code in the View's code-behind). My Question class has an IsCorrect property which is accurately being set when the correction is answered. I'd like to somehow reflect the IsCorrect value in the form of a Style selection. How do I do that?

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• Watching variables in SSIS during debug

  - by Tom H.

  I have a project in SSIS and I've added an Execute SQL Task which sends its result out to a variable. I wanted to confirm the value because I was worried that it would try to write it out as a resultset object rather than an actual integer (in this case I'm returning a COUNT). My first thought was just to run it in debug mode and add the global variable to my Watch window. Unfortunately, when I right-click on the Watch window, the option to "Add Variable" is greyed out. What am I missing here? I've gotten around confirming that my variable is set correctly, so I'm not interested in methods like putting a script in to do a MsgBox with the value or anything like that. For future reference I'd like to be able to watch variables in debug mode. If there are some kind of constraints on that then I'd like to know the what and why of it all if anyone knows. The help is woefully inadequate on this one and every "tutorial" that I can find just says, "Add the variable to the Watch window and debug" as though there should never be a problem doing that. Thanks for any insight!

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• new project app; use entirely node.js

  - by Jared

  I have been looking into Node.js, express and Nowjs and love how easy it is to have real time interactions between clients. My background is mostly from CodeIgniter MVC using PHP and MYSql. I want to re make a current web project of mine from scratch to make everything better and more real time with this newer technology. After researching and doing test examples I want to use node.js , express and Nowjs for the real time interactions once someone connects to the socket.io to pull data back to clients. But use Code Igniter for the control of the site and user management , possible shopping cart/store , pretty much everything else. This is purely due to time constraints and that I am already familiar with doing it that way. I have been looking at MongoDB as an alternative to MySql, Basically the app is going to be multiple chat rooms all on one page. with the ability of notifications and private messaging. Lots of data transfer and images. before I started piecing it together I wanted to get people who have already done something similar. My model would use Code Igniter and MySQL to render the page and then connect them onto a node.js server and broadcast using express and nowjs would using a mongoDB be better than mySQL for tons of messages and data being stored or MYSQL? Also does it make since to not make the whole site on Node.js , kinda piece it together like that?

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• Why could "insert (...) values (...)" not insert a new row?

  - by nang

  Hi, I have a simple SQL insert statement of the form: insert into MyTable (...) values (...) It is used repeatedly to insert rows and usually works as expected. It inserts exactly 1 row to MyTable, which is also the value returned by the Delphi statement AffectedRows:= myInsertADOQuery.ExecSQL. After some time there was a temporary network connectivity problem. As a result, other threads of the same application perceived EOleExceptions (Connection failure, -2147467259 = unspecified error). Later, the network connection was reestablished, these threads reconnected and were fine. The thread responsible for executing the insert statement described above, however, did not perceive the connectivity problems (No exceptions) - probably it was simply not executed while the network was down. But after the network connectivity problems myInsertADOQuery.ExecSQL always returned 0 and no rows were inserted to MyTable anymore. After a restart of the application the insert statement worked again as expected. For SQL Server, is there any defined case where an insert statment like the one above would not insert a row and return 0 as the number of affected rows? Primary key is an autogenerated GUID. There are no unique or check constraints (which should result in an exception anyway rather than not inserting a row). Are there any known ADO bugs (Provider=SQLOLEDB.1)? Any other explanations for this behaviour? Thanks, Nang.

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• How to start networking on a wired interface before logon in Ubuntu Desktop Edition

  - by Burly

  Problem Ubuntu 9.10 Desktop Edition (and possibly previous versions as well, I haven't tested them) has no network connections after boot until at least 1 user logs in. This means any services that require networking (e.g. openssh-server) are not available until someone logs in locally either via gdm, kdm, or a TTY. Background Ubuntu 9.10 Desktop Edition uses the NetworkManager service to take commands from the nm-applet in Gnome (or it's equivalent in KDE). As I understand it, while NetworkManager is running at boot, it is not issued any commands to connect until you login for the first time because nm-applet isn't running until you login and your Gnome session starts (or similar for KDE). I'm not sure what prompts NetworkManager to connect to the network when you login via a TTY. There are several relevant variables involved in starting up the network connections including: Wired vs Wireless (and the resulting drivers, SSID, passwords, and priorities) Static vs DHCP Multiple interfaces Constraints Support Ubuntu 9.10 Karmic Koala (bonus points for additional supported versions) Support wired eth0 interface Receive an IP address via DHCP Receive DNS information via DHCP (obviously the DHCP server must provide this information) Enable networking at the proper time (e.g. some time after file systems are loaded but before network services like ssh start) Switching distros or versions (e.g. to Server Edition) is not an acceptable solution Switching to a Static IP configuration is not an acceptable solution Question How to start networking on a wired interface before logon in Ubuntu Desktop Edition? What I have tried Per this guide, adding the following entry into /etc/network/interfaces so that NetworkManager won't manage the eth0 interface: auth eth0 iface inet dhcp After reboot eth0 is down. Issuing ifconfig eth0 up brings the interface up but it receives no IP address. Issuing dhclient eth0 instead Does bring up the interface and it Does receive an IP address. Completely removing the NetworkManager package in addition to the settings above. I'm a bit confused with the whole UpStart/SysVinit mangling that's going in Ubuntu currently (I'm more familiar with the CentOS world). However, directly issuing sudo /etc/init.d/networking start Or sudo start networking does not bring up the eth0 interface at all, much less get an IP address. See-Also How to force NetworkManager to make a connection before login? References Ubuntu Desktop Edition Ubuntu Networking Configuration Using Command Line Automatic Network Configuration Via Command-Line Start network connection before login

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• YUM Update Failed - Error in POSTIN scriptlet in rpm package

  - by Tiffany Walker

  Running "yum update" and it gets to installing and then breaks. Not sure what the problem is. Google shows nothing. Error in POSTIN scriptlet in rpm package gtk2-2.18.9-10.el6.x86_64 error: error creating temporary file /var/tmp/rpm-tmp.NB84HC: Invalid argument error: Couldn't create temporary file for %post(gtk2-2.18.9-10.el6.x86_64): Invalid argument Updating : e2fsprogs-libs-1.41.12-12.el6.x86_64 44/378 Traceback (most recent call last): File "/usr/lib/python2.6/site-packages/yum/rpmtrans.py", line 387, in callback self._instCloseFile( bytes, total, h ) File "/usr/lib/python2.6/site-packages/yum/rpmtrans.py", line 463, in _instCloseFile self.base.history.trans_data_pid_end(pid, state) File "/usr/lib/python2.6/site-packages/yum/history.py", line 858, in trans_data_pid_end """, ('TRUE', self._tid, pid, state)) File "/usr/lib/python2.6/site-packages/yum/sqlutils.py", line 168, in executeSQLQmark return cursor.execute(query, params) sqlite3.OperationalError: unable to open database file error: python callback <bound method RPMTransaction.callback of <yum.rpmtrans.RPMTransaction instance at 0x45c2290>> failed, aborting! With a check all: yum check Loaded plugins: fastestmirror, rhnplugin, security MySQL-client-5.5.27-1.cp.1132.x86_64 is obsoleted by MySQL-client-5.5.27-1.cp.1132.x86_64 MySQL-server-5.5.27-1.cp.1132.x86_64 is obsoleted by MySQL-server-5.5.27-1.cp.1132.x86_64 abrt-libs-2.0.8-6.el6.x86_64 is a duplicate with abrt-libs-2.0.4-14.el6.centos.x86_64 audit-libs-2.2-2.el6.x86_64 is a duplicate with audit-libs-2.1.3-3.el6.x86_64 bandmin-1.6.1-5.noarch has missing requires of perl(bandmin.conf) bandmin-1.6.1-5.noarch has missing requires of perl(bmversion.pl) bandmin-1.6.1-5.noarch has missing requires of perl(services.conf) 32:bind-libs-9.8.2-0.10.rc1.el6_3.3.x86_64 is a duplicate with 32:bind-libs-9.7.3-8.P3.el6_2.2.x86_64 cagefs-safebin-3.6-6.el6.cloudlinux.x86_64 is a duplicate with cagefs-safebin-3.5-1.el6.cloudlinux.x86_64 chkconfig-1.3.49.3-2.el6.x86_64 is a duplicate with chkconfig-1.3.49.3-1.el6_2.x86_64 cloudlinux-release-6-6.3.0.x86_64 is a duplicate with cloudlinux-release-6-6.2.2.x86_64 coreutils-8.4-19.el6.x86_64 is a duplicate with coreutils-8.4-16.el6.x86_64 coreutils-libs-8.4-19.el6.x86_64 is a duplicate with coreutils-libs-8.4-16.el6.x86_64 1:cups-libs-1.4.2-48.el6_3.1.x86_64 is a duplicate with 1:cups-libs-1.4.2-44.el6_2.3.x86_64 1:dbus-libs-1.2.24-7.el6_3.x86_64 is a duplicate with 1:dbus-libs-1.2.24-5.el6_1.x86_64 12:dhcp-common-4.1.1-31.P1.el6_3.1.x86_64 is a duplicate with 12:dhcp-common-4.1.1-25.P1.el6_2.1.x86_64 e2fsprogs-libs-1.41.12-12.el6.x86_64 is a duplicate with e2fsprogs-libs-1.41.12-11.el6.x86_64 exim-4.80-0.x86_64 has missing requires of perl(SafeFile) expat-2.0.1-11.el6_2.x86_64 is a duplicate with expat-2.0.1-9.1.el6.x86_64 frontpage-2002-SR1.2.i386 has missing requires of libexpat.so.0 gawk-3.1.7-10.el6.x86_64 is a duplicate with gawk-3.1.7-9.el6.x86_64 glib2-2.22.5-7.el6.x86_64 is a duplicate with glib2-2.22.5-6.el6.x86_64 glibc-2.12-1.80.el6_3.5.x86_64 is a duplicate with glibc-2.12-1.47.el6_2.12.x86_64 glibc-common-2.12-1.80.el6_3.5.x86_64 is a duplicate with glibc-common-2.12-1.47.el6_2.12.x86_64 gtk2-2.18.9-10.el6.x86_64 is a duplicate with gtk2-2.18.9-6.el6.centos.x86_64 kernel-firmware-2.6.32-320.4.1.lve1.1.4.el6.noarch is obsoleted by kernel-firmware-2.6.32-320.4.1.lve1.1.4.el6.noarch kernel-firmware-2.6.32-320.4.1.lve1.1.4.el6.noarch is obsoleted by kernel-firmware-2.6.32-379.5.1.lve1.1.9.6.1.el6.noarch kernel-firmware-2.6.32-379.5.1.lve1.1.9.6.1.el6.noarch is a duplicate with kernel-firmware-2.6.32-320.4.1.lve1.1.4.el6.noarch kernel-firmware-2.6.32-379.5.1.lve1.1.9.6.1.el6.noarch is obsoleted by kernel-firmware-2.6.32-320.4.1.lve1.1.4.el6.noarch kernel-firmware-2.6.32-379.5.1.lve1.1.9.6.1.el6.noarch is obsoleted by kernel-firmware-2.6.32-379.5.1.lve1.1.9.6.1.el6.noarch kernel-headers-2.6.32-379.5.1.lve1.1.9.6.1.el6.x86_64 is a duplicate with kernel-headers-2.6.32-320.4.1.lve1.1.4.el6.x86_64 keyutils-libs-1.4-4.el6.x86_64 is a duplicate with keyutils-libs-1.4-3.el6.x86_64 krb5-libs-1.9-33.el6_3.3.x86_64 is a duplicate with krb5-libs-1.9-22.el6_2.1.x86_64 libblkid-2.17.2-12.7.el6.x86_64 is a duplicate with libblkid-2.17.2-12.4.el6.x86_64 libcom_err-1.41.12-12.el6.x86_64 is a duplicate with libcom_err-1.41.12-11.el6.x86_64 libgcc-4.4.6-4.el6.x86_64 is a duplicate with libgcc-4.4.6-3.el6.x86_64 libselinux-2.0.94-5.3.el6.x86_64 is a duplicate with libselinux-2.0.94-5.2.el6.x86_64 libstdc++-4.4.6-4.el6.x86_64 is a duplicate with libstdc++-4.4.6-3.el6.x86_64 libtiff-3.9.4-6.el6_3.x86_64 is a duplicate with libtiff-3.9.4-5.el6_2.x86_64 libudev-147-2.42.el6.x86_64 is a duplicate with libudev-147-2.40.el6.x86_64 libuuid-2.17.2-12.7.el6.x86_64 is a duplicate with libuuid-2.17.2-12.4.el6.x86_64 libxml2-2.7.6-8.el6_3.3.x86_64 is a duplicate with libxml2-2.7.6-4.el6_2.4.x86_64 nspr-4.9.1-2.el6_3.x86_64 is a duplicate with nspr-4.8.9-3.el6_2.x86_64 nss-util-3.13.5-1.el6_3.x86_64 is a duplicate with nss-util-3.13.1-3.el6_2.x86_64 openssl-1.0.0-25.el6_3.1.x86_64 is a duplicate with openssl-1.0.0-20.el6_2.5.x86_64 python-2.6.6-29.el6_3.3.x86_64 is a duplicate with python-2.6.6-29.el6.x86_64 python-libs-2.6.6-29.el6_3.3.x86_64 is a duplicate with python-libs-2.6.6-29.el6.x86_64 readline-6.0-4.el6.x86_64 is a duplicate with readline-6.0-3.el6.x86_64 sed-4.2.1-10.el6.x86_64 is a duplicate with sed-4.2.1-7.el6.x86_64 tzdata-2012c-3.el6.noarch is a duplicate with tzdata-2012c-1.el6.noarch xmlrpc-c-1.16.24-1209.1840.el6.x86_64 is a duplicate with xmlrpc-c-1.16.24-1200.1840.el6_1.4.x86_64 xmlrpc-c-client-1.16.24-1209.1840.el6.x86_64 is a duplicate with xmlrpc-c-client-1.16.24-1200.1840.el6_1.4.x86_64 Error: check all Tried: #rm /var/lib/rpm/__db* #rpm --rebuilddb #yum clean all Tried also running yum-complete-transaction still won't finish the update. ls -ld /var/tmp/ drwxrwxrwt. 20 root root 12288 Oct 3 18:44 /var/tmp/ df -h /var/tmp/ Filesystem Size Used Avail Use% Mounted on /tmp 3.9G 1.2G 2.6G 32% /var/tmp Latest errors: Error: Protected multilib versions: libgcc-4.4.6-4.el6.i686 != libgcc-4.4.6-3.el6.x86_64 Error: Protected multilib versions: glibc-2.12-1.80.el6_3.5.i686 != glibc-2.12-1.47.el6_2.12.x86_64 EDITED: yum repolist Loaded plugins: fastestmirror, rhnplugin, security Loading mirror speeds from cached hostfile * cloudlinux-x86_64-server-6: cl.banahosting.com repo id repo name status cloudlinux-x86_64-server-6 CloudLinux Server 6 x86_64 10,948+725 repolist: 10,948 [~]# package-cleanup --dupes Loaded plugins: fastestmirror, rhnplugin xmlrpc-c-client-1.16.24-1209.1840.el6.x86_64 xmlrpc-c-client-1.16.24-1200.1840.el6_1.4.x86_64 bind-libs-9.7.3-8.P3.el6_2.2.x86_64 bind-libs-9.8.2-0.10.rc1.el6_3.3.x86_64 libblkid-2.17.2-12.4.el6.x86_64 libblkid-2.17.2-12.7.el6.x86_64 libtiff-3.9.4-5.el6_2.x86_64 libtiff-3.9.4-6.el6_3.x86_64 audit-libs-2.1.3-3.el6.x86_64 audit-libs-2.2-2.el6.x86_64 libstdc++-4.4.6-3.el6.x86_64 libstdc++-4.4.6-4.el6.x86_64 sed-4.2.1-10.el6.x86_64 sed-4.2.1-7.el6.x86_64 python-libs-2.6.6-29.el6_3.3.x86_64 python-libs-2.6.6-29.el6.x86_64 coreutils-libs-8.4-16.el6.x86_64 coreutils-libs-8.4-19.el6.x86_64 libudev-147-2.40.el6.x86_64 libudev-147-2.42.el6.x86_64 chkconfig-1.3.49.3-2.el6.x86_64 chkconfig-1.3.49.3-1.el6_2.x86_64 keyutils-libs-1.4-4.el6.x86_64 keyutils-libs-1.4-3.el6.x86_64 glibc-2.12-1.47.el6_2.12.x86_64 glibc-2.12-1.80.el6_3.5.x86_64 tzdata-2012c-3.el6.noarch tzdata-2012c-1.el6.noarch coreutils-8.4-19.el6.x86_64 coreutils-8.4-16.el6.x86_64 dbus-libs-1.2.24-7.el6_3.x86_64 dbus-libs-1.2.24-5.el6_1.x86_64 libxml2-2.7.6-4.el6_2.4.x86_64 libxml2-2.7.6-8.el6_3.3.x86_64 abrt-libs-2.0.8-6.el6.x86_64 abrt-libs-2.0.4-14.el6.centos.x86_64 expat-2.0.1-9.1.el6.x86_64 expat-2.0.1-11.el6_2.x86_64 python-2.6.6-29.el6.x86_64 python-2.6.6-29.el6_3.3.x86_64 gtk2-2.18.9-6.el6.centos.x86_64 gtk2-2.18.9-10.el6.x86_64 libcom_err-1.41.12-12.el6.x86_64 libcom_err-1.41.12-11.el6.x86_64 gawk-3.1.7-10.el6.x86_64 gawk-3.1.7-9.el6.x86_64 readline-6.0-4.el6.x86_64 readline-6.0-3.el6.x86_64 glibc-common-2.12-1.80.el6_3.5.x86_64 glibc-common-2.12-1.47.el6_2.12.x86_64 libselinux-2.0.94-5.2.el6.x86_64 libselinux-2.0.94-5.3.el6.x86_64 cups-libs-1.4.2-48.el6_3.1.x86_64 cups-libs-1.4.2-44.el6_2.3.x86_64 nspr-4.9.1-2.el6_3.x86_64 nspr-4.8.9-3.el6_2.x86_64 cagefs-safebin-3.5-1.el6.cloudlinux.x86_64 cagefs-safebin-3.6-6.el6.cloudlinux.x86_64 libuuid-2.17.2-12.4.el6.x86_64 libuuid-2.17.2-12.7.el6.x86_64 xmlrpc-c-1.16.24-1209.1840.el6.x86_64 xmlrpc-c-1.16.24-1200.1840.el6_1.4.x86_64 openssl-1.0.0-20.el6_2.5.x86_64 openssl-1.0.0-25.el6_3.1.x86_64 dhcp-common-4.1.1-25.P1.el6_2.1.x86_64 dhcp-common-4.1.1-31.P1.el6_3.1.x86_64 krb5-libs-1.9-33.el6_3.3.x86_64 krb5-libs-1.9-22.el6_2.1.x86_64 nss-util-3.13.5-1.el6_3.x86_64 nss-util-3.13.1-3.el6_2.x86_64 cloudlinux-release-6-6.2.2.x86_64 cloudlinux-release-6-6.3.0.x86_64 e2fsprogs-libs-1.41.12-11.el6.x86_64 e2fsprogs-libs-1.41.12-12.el6.x86_64 glib2-2.22.5-6.el6.x86_64 glib2-2.22.5-7.el6.x86_64 UPDATE 2 I removed all the dupes and then did update and got this: Updating : sudo-1.7.4p5-13.el6_3.x86_64 79/361 Error in POSTIN scriptlet in rpm package sudo-1.7.4p5-13.el6_3.x86_64 warning: /etc/sudoers created as /etc/sudoers.rpmnew error: error creating temporary file /var/tmp/rpm-tmp.hjTOqJ: Invalid argument error: Couldn't create temporary file for %post(sudo-1.7.4p5-13.el6_3.x86_64): Invalid argument Updating : pcre-7.8-6.el6.x86_64 80/361 Traceback (most recent call last): File "/usr/lib/python2.6/site-packages/yum/rpmtrans.py", line 399, in callback self._instCloseFile( bytes, total, h ) File "/usr/lib/python2.6/site-packages/yum/rpmtrans.py", line 475, in _instCloseFile self.base.history.trans_data_pid_end(pid, state) File "/usr/lib/python2.6/site-packages/yum/history.py", line 858, in trans_data_pid_end """, ('TRUE', self._tid, pid, state)) File "/usr/lib/python2.6/site-packages/yum/sqlutils.py", line 168, in executeSQLQmark return cursor.execute(query, params) sqlite3.OperationalError: unable to open database file error: python callback <bound method RPMTransaction.callback of <yum.rpmtrans.RPMTransaction instance at 0x5c7cfc8>> failed, aborting! - [~]# lsattr /var/tmp/ -------------e- /var/tmp/cache_5b07945563e03aec1c44917886fd99a6 -------------e- /var/tmp/sess_6edfafda1a191f6986bd020ed945eea0 -------------e- /var/tmp/sess_1b837feecdd4c9e6aa6ecd81d41fda75 -------------e- /var/tmp/sess_70bec5f392b4f5f75ac444f5c82db2dc -------------e- /var/tmp/sess_24cd226ba0a370a6d3838a37745b2e15 -------------e- /var/tmp/nginx_proxy -------------e- /var/tmp/sess_19fb1dd060e42c9de8786ef34d7fcf6e -------------e- /var/tmp/sess_b4ac777076c5122a6e27d776de0a2fcb -------------e- /var/tmp/sess_5077441775ef8d07a2185e8fd48a4aa8 -------------e- /var/tmp/cache_4e71d930fe8250e222ae4d1dc39646ff -------------e- /var/tmp/sess_eb6eb29b38b55b85303c3137611f0a2faa15c21d -------------e- /var/tmp/sess_81e7e8d93b395f2c8d7e3fe12cc59e56 -------------e- /var/tmp/sess_05c7f305bdbf9a4c7af251d33ac59766 -------------e- /var/tmp/sess_0ad9369063a37b6b399688a835d69ed2 -------------e- /var/tmp/cache_c780deda617678faeea8f8a34395ac27 -------------e- /var/tmp/sess_9773332e3c99ee18dca0b05e8f02a41e -------------e- /var/tmp/sess_1d9b02b068ea81a3975599ddc12bcfb1 -------------e- /var/tmp/sess_1ffeff444123e924834dc5e80d07571e -------------e- /var/tmp/sess_aa56725471c84d9a06745c56dc499db7 -------------e- /var/tmp/sess_51e19964d7e1a164c63f4c72fa43475c33debbc0 -------------e- /var/tmp/sess_a83c7a05bb189a465b8813ff9e566aa8f9124079 -------------e- /var/tmp/sess_2f506ba5b77c61107871e8cf80393cdb -------------e- /var/tmp/sess_7bfe1578605b259ec5e4fd2200df4cd0 -------------e- /var/tmp/sess_f6e47011789d8d48d56dd78a398d98d5719414a7 -------------e- /var/tmp/sess_b7c43a90a8b8d8f02b0fffca77796ce5 -------------e- /var/tmp/sess_6c3e7103453ad4daba815bd96a903785 -------------e- /var/tmp/sess_86f32a22507d8410b3f0fc7d71a135d5 -------------e- /var/tmp/sess_aaf72d3e8cfb2f27ffdff61323f97e7553855a05 -------------e- /var/tmp/sess_5de4488e2ee03ac0f99ab9494573ccb1 -------------e- /var/tmp/sess_716d97bba4abdb38704a9e4212f6fddc -------------e- /var/tmp/sess_534908a9510a32eda13a5dc95ac022cc -------------e- /var/tmp/sess_626a58203d93427c79621ea4fec0906d -------------e- /var/tmp/sess_827ca92d10d3797f2c187c41764a7036 -------------e- /var/tmp/sess_6282962d77f7bead20e785fbdb9a3d8f -------------e- /var/tmp/cache_b012c8a729fc54a296a700ed92930a0e -------------e- /var/tmp/sess_631e5ba769773da056108d3fbd143963 -------------e- /var/tmp/cache_30bb7f1333ba5f96a229c91a3385d8b5 -------------e- /var/tmp/sess_93e085706b29c3e4e3593bfe39b1079e -------------e- /var/tmp/sess_abd78bd6c285d681c90de8c617747ab3 -------------e- /var/tmp/sess_e144544ed925569018e6607b05f43f253f75e2aa -------------e- /var/tmp/sess_5d3d036c772847a4508d3e100b173d84 -------------e- /var/tmp/sess_f35243d1f40bd8d9ce08940fafc00d93 -------------e- /var/tmp/sess_761c3ffa811b959638ed0b266741eaa4 -------------e- /var/tmp/mm.sem.sNdxjf -------------e- /var/tmp/sess_006d45dbd807291f7bffbd1db3707ed6 -------------e- /var/tmp/cache_2d0162aac9f87c1978ac644923a5e2fe -------------e- /var/tmp/sess_22c534418c380b72d105935b59713dd1 -------------e- /var/tmp/sess_94f72ef408567a15f6287c518e93898e -------------e- /var/tmp/cache_6fe03c83bb87489f3921db1c974dfc0e -------------e- /var/tmp/sess_48bbfa2a2a8793a62c7fd6a389a2763e -------------e- /var/tmp/mm.sem.ERERMV -------------e- /var/tmp/sess_20aba82c03a69b2dc6af66c499c38ee67e27368f -------------e- /var/tmp/sess_f94fe0589a79c934815ef359bcb0a16c7080d937 -------------e- /var/tmp/sess_460390801eb004593b4dee83779f414e -------------e- /var/tmp/spamd-52811-init -------------e- /var/tmp/cache_6427fdb235d59b0b2fbd105bf23d2e87 -------------e- /var/tmp/cache_4ce12d8350d7c0361dc1bf15d552a2d8 -------------e- /var/tmp/sess_039fec2a643340f118b6355e4c836ae8 -------------e- /var/tmp/sess_fa46fa80b26e6cf3d9c7de942d5dbcff -------------e- /var/tmp/cache_664858e614367812148716536e22d030 -------------e- /var/tmp/sess_4c8d4c44fbd828dc17415ce6aa213115 -------------e- /var/tmp/sess_d231a6c0e5dd4d7bacbf9de3d8bb298f -------------e- /var/tmp/sess_a82f8a088a8e37d375f6a9fede4a54d2 -------------e- /var/tmp/sess_604697227ae5359e5783dc9407845338 -------------e- /var/tmp/sess_5b4e623536640abe671b40563d03817d -------------e- /var/tmp/sess_2aba0aff64f3c18f22e0b79d591259e2 -------------e- /var/tmp/sess_bfd52a2d2d80880f8e26ad460739a0494f0d1e9e -------------e- /var/tmp/sess_ba9f3e3a7c7111930d6b801aaa833b46 -------------e- /var/tmp/sess_5cc8c5b620015a465359359a0805fbdd -------------e- /var/tmp/sess_84945c41d604b4653a1bf45d83a1917c -------------e- /var/tmp/sess_5f52569b27430780c07d25cfb8177e5c1ef647f0 -------------e- /var/tmp/sess_45896aef9e77f16be1b3e94b3edb2599 -------------e- /var/tmp/sess_5a67d0ef8f826a2f103b429c8464bdd5f75d6218 -------------e- /var/tmp/sess_1fce98bb32e5b34c79fd5a313de32980 -------------e- /var/tmp/sess_f7ea772ff3fbb1eb2ad8712dd2c49ed8 -------------e- /var/tmp/sess_a9dc16bc5c1eb2768bb2600f0d102fde -------------e- /var/tmp/mm.sem.3zwRTu -------------e- /var/tmp/sess_e2cad140703338a4b8c9254ec6b0a1a2 -------------e- /var/tmp/sess_e7c8e85daf9c5424aecb83e066decf31 -------------e- /var/tmp/sess_800f878fa944370f42e76057e7c033e19520bd41 -------------e- /var/tmp/sess_4fdae64eb18599521ace18679795568b -------------e- /var/tmp/sess_958fb886b97de2e767b059376c4724b5 -------------e- /var/tmp/sess_3c832a31f17744a8bb3c59dde02e561aefbc2e48 -------------e- /var/tmp/sess_6d9d7bf04f34e0d82b101f882196a905 -------------e- /var/tmp/sess_7231c75ae4fad2ca5fbcb6de430a7b13 -------------e- /var/tmp/sess_2eadffa2285def9673ce784395d272d8 -------------e- /var/tmp/cache_2ff353b664d8028df967f807ac18593a -------------e- /var/tmp/sess_4138a267f1f5e3ad93c1d64547c63134ae7c0db3 -------------e- /var/tmp/sess_64cd9fa0d6af8e8041aafffbe3db986a -------------e- /var/tmp/tmpg3ycIG -------------e- /var/tmp/cache_b633ac8283d6de8e39d81160d63fc8cd -------------e- /var/tmp/sess_2cee03cf5eafd3ef55d8efa1b0390436 -------------e- /var/tmp/sess_608066c609e28621f2a29ac04a3a6441 -------------e- /var/tmp/sess_46dfb35cf8266699ba9304e5d8c6869d -------------e- /var/tmp/sess_fb202a0ed54cee8832c5f6e0ca7fc1b3 -------------e- /var/tmp/sess_8fe3c5fd8cdda02855e5f9b5a1ea85a4 -------------e- /var/tmp/sess_941376d5cb51e0ba73f9a27ee259c159 -------------e- /var/tmp/sess_4fa17b1eac1d18341d20d0d8d4991ceb -------------e- /var/tmp/cache_de647c956ca6a1b75744ad194aceaa82 -------------e- /var/tmp/mm.sem.Ugu7Be -------------e- /var/tmp/sess_656e8a50759d5b36b963e7eb85e0bb0d -------------e- /var/tmp/sess_983f77b607bbffa1748d6c49557381e9 -------------e- /var/tmp/sess_632860d092e5e374da522ed2f88e83ce -------------e- /var/tmp/sess_030f900b81cc2a4ad095d53ef3ee0791 -------------e- /var/tmp/yum.log -------------e- /var/tmp/cache_810174993c6a2c0efe2edbe4c39a4a81 -------------e- /var/tmp/sess_29e2c781643434e81d189fc41f47fd34 -------------e- /var/tmp/tmpE12ahd -------------e- /var/tmp/sess_935da512fb077e04610266748b3b77f3 - cat /etc/fstab /tmp as: loop,rw,noexec,nosuid,nodev

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• Migrate from MySQL to PostgreSQL on Linux (Kubuntu)

  - by Dave Jarvis

  Storyline Trying to migrate a database from MySQL to PostgreSQL. All the documentation I have read covers, in great detail, how to migrate the structure. I have found very little documentation on migrating the data. The schema has 13 tables (which have been migrated successfully) and 9 GB of data. MySQL version: 5.1.x PostgreSQL version: 8.4.x I want to use the R programming language to analyze the data using SQL select statements; PostgreSQL has PL/R, but MySQL has nothing (as far as I can tell). A long time ago in a galaxy far, far away... Create the database location (/var has insufficient space; also dislike having the PostgreSQL version number everywhere -- upgrading would break scripts!): sudo mkdir -p /home/postgres/main sudo cp -Rp /var/lib/postgresql/8.4/main /home/postgres sudo chown -R postgres.postgres /home/postgres sudo chmod -R 700 /home/postgres sudo usermod -d /home/postgres/ postgres All good to here. Next, restart the server and configure the database using these installation instructions: sudo apt-get install postgresql pgadmin3 sudo /etc/init.d/postgresql-8.4 stop sudo vi /etc/postgresql/8.4/main/postgresql.conf Change data_directory to /home/postgres/main sudo /etc/init.d/postgresql-8.4 start sudo -u postgres psql postgres \password postgres sudo -u postgres createdb climate pgadmin3 Use pgadmin3 to configure the database and create a schema. A New Hope The episode began in a remote shell known as bash, with both databases running, and the installation of a command with a most unusual logo: SQL Fairy. perl Makefile.PL sudo make install sudo apt-get install perl-doc (strangely, it is not called perldoc) perldoc SQL::Translator::Manual Extract a PostgreSQL-friendly DDL and all the MySQL data: sqlt -f DBI --dsn dbi:mysql:climate --db-user user --db-password password -t PostgreSQL > climate-pg-ddl.sql mysqldump --skip-add-locks --complete-insert --no-create-db --no-create-info --quick --result-file="climate-my.sql" --databases climate --skip-comments -u root -p The Database Strikes Back Recreate the structure in PostgreSQL as follows: pgadmin3 (switch to it) Click the Execute arbitrary SQL queries icon Open climate-pg-ddl.sql Search for TABLE " replace with TABLE climate." (insert the schema name climate) Search for on " replace with on climate." (insert the schema name climate) Press F5 to execute This results in: Query returned successfully with no result in 122 ms. Replies of the Jedi At this point I am stumped. Where do I go from here (what are the steps) to convert climate-my.sql to climate-pg.sql so that they can be executed against PostgreSQL? How to I make sure the indexes are copied over correctly (to maintain referential integrity; I don't have constraints at the moment to ease the transition)? How do I ensure that adding new rows in PostgreSQL will start enumerating from the index of the last row inserted (and not conflict with an existing primary key from the sequence)? Resources A fair bit of information was needed to get this far: https://help.ubuntu.com/community/PostgreSQL http://articles.sitepoint.com/article/site-mysql-postgresql-1 http://wiki.postgresql.org/wiki/Converting_from_other_Databases_to_PostgreSQL#MySQL http://pgfoundry.org/frs/shownotes.php?release_id=810 http://sqlfairy.sourceforge.net/ Thank you!

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• Converting Lighttpd config to NginX with php-fpm

  - by Le Dude

  Having so much issue with NginX configuration since I'm new with NginX. Been using Lighttpd for quite sometime. Here are the base info. New Machine - CentOS 6.3 64 Bit - NginX 1.2.4-1.e16.ngx - Php-FPM 5.3.18-1.e16.remi Old Machine - CentOS 6.2 64Bit - Lighttpd 1.4.25-3.e16 Original Lighttpd config file: ####################################################################### ## ## /etc/lighttpd/lighttpd.conf ## ## check /etc/lighttpd/conf.d/*.conf for the configuration of modules. ## ####################################################################### ####################################################################### ## ## Some Variable definition which will make chrooting easier. ## ## if you add a variable here. Add the corresponding variable in the ## chroot example aswell. ## var.log_root = "/var/log/lighttpd" var.server_root = "/var/www" var.state_dir = "/var/run" var.home_dir = "/var/lib/lighttpd" var.conf_dir = "/etc/lighttpd" ## ## run the server chrooted. ## ## This requires root permissions during startup. ## ## If you run Chrooted set the the variables to directories relative to ## the chroot dir. ## ## example chroot configuration: ## #var.log_root = "/logs" #var.server_root = "/" #var.state_dir = "/run" #var.home_dir = "/lib/lighttpd" #var.vhosts_dir = "/vhosts" #var.conf_dir = "/etc" # #server.chroot = "/srv/www" ## ## Some additional variables to make the configuration easier ## ## ## Base directory for all virtual hosts ## ## used in: ## conf.d/evhost.conf ## conf.d/simple_vhost.conf ## vhosts.d/vhosts.template ## var.vhosts_dir = server_root + "/vhosts" ## ## Cache for mod_compress ## ## used in: ## conf.d/compress.conf ## var.cache_dir = "/var/cache/lighttpd" ## ## Base directory for sockets. ## ## used in: ## conf.d/fastcgi.conf ## conf.d/scgi.conf ## var.socket_dir = home_dir + "/sockets" ## ####################################################################### ####################################################################### ## ## Load the modules. include "modules.conf" ## ####################################################################### ####################################################################### ## ## Basic Configuration ## --------------------- ## server.port = 80 ## ## Use IPv6? ## #server.use-ipv6 = "enable" ## ## bind to a specific IP ## #server.bind = "localhost" ## ## Run as a different username/groupname. ## This requires root permissions during startup. ## server.username = "lighttpd" server.groupname = "lighttpd" ## ## enable core files. ## #server.core-files = "disable" ## ## Document root ## server.document-root = server_root + "/lighttpd" ## ## The value for the "Server:" response field. ## ## It would be nice to keep it at "lighttpd". ## #server.tag = "lighttpd" ## ## store a pid file ## server.pid-file = state_dir + "/lighttpd.pid" ## ####################################################################### ####################################################################### ## ## Logging Options ## ------------------ ## ## all logging options can be overwritten per vhost. ## ## Path to the error log file ## server.errorlog = log_root + "/error.log" ## ## If you want to log to syslog you have to unset the ## server.errorlog setting and uncomment the next line. ## #server.errorlog-use-syslog = "enable" ## ## Access log config ## include "conf.d/access_log.conf" ## ## The debug options are moved into their own file. ## see conf.d/debug.conf for various options for request debugging. ## include "conf.d/debug.conf" ## ####################################################################### ####################################################################### ## ## Tuning/Performance ## -------------------- ## ## corresponding documentation: ## http://www.lighttpd.net/documentation/performance.html ## ## set the event-handler (read the performance section in the manual) ## ## possible options on linux are: ## ## select ## poll ## linux-sysepoll ## ## linux-sysepoll is recommended on kernel 2.6. ## server.event-handler = "linux-sysepoll" ## ## The basic network interface for all platforms at the syscalls read() ## and write(). Every modern OS provides its own syscall to help network ## servers transfer files as fast as possible ## ## linux-sendfile - is recommended for small files. ## writev - is recommended for sending many large files ## server.network-backend = "linux-sendfile" ## ## As lighttpd is a single-threaded server, its main resource limit is ## the number of file descriptors, which is set to 1024 by default (on ## most systems). ## ## If you are running a high-traffic site you might want to increase this ## limit by setting server.max-fds. ## ## Changing this setting requires root permissions on startup. see ## server.username/server.groupname. ## ## By default lighttpd would not change the operation system default. ## But setting it to 2048 is a better default for busy servers. ## ## With SELinux enabled, this is denied by default and needs to be allowed ## by running the following once : setsebool -P httpd_setrlimit on server.max-fds = 2048 ## ## Stat() call caching. ## ## lighttpd can utilize FAM/Gamin to cache stat call. ## ## possible values are: ## disable, simple or fam. ## server.stat-cache-engine = "simple" ## ## Fine tuning for the request handling ## ## max-connections == max-fds/2 (maybe /3) ## means the other file handles are used for fastcgi/files ## server.max-connections = 1024 ## ## How many seconds to keep a keep-alive connection open, ## until we consider it idle. ## ## Default: 5 ## #server.max-keep-alive-idle = 5 ## ## How many keep-alive requests until closing the connection. ## ## Default: 16 ## #server.max-keep-alive-requests = 18 ## ## Maximum size of a request in kilobytes. ## By default it is unlimited (0). ## ## Uploads to your server cant be larger than this value. ## #server.max-request-size = 0 ## ## Time to read from a socket before we consider it idle. ## ## Default: 60 ## #server.max-read-idle = 60 ## ## Time to write to a socket before we consider it idle. ## ## Default: 360 ## #server.max-write-idle = 360 ## ## Traffic Shaping ## ----------------- ## ## see /usr/share/doc/lighttpd/traffic-shaping.txt ## ## Values are in kilobyte per second. ## ## Keep in mind that a limit below 32kB/s might actually limit the ## traffic to 32kB/s. This is caused by the size of the TCP send ## buffer. ## ## per server: ## #server.kbytes-per-second = 128 ## ## per connection: ## #connection.kbytes-per-second = 32 ## ####################################################################### ####################################################################### ## ## Filename/File handling ## ------------------------ ## ## files to check for if .../ is requested ## index-file.names = ( "index.php", "index.rb", "index.html", ## "index.htm", "default.htm" ) ## index-file.names += ( "index.xhtml", "index.html", "index.htm", "default.htm", "index.php" ) ## ## deny access the file-extensions ## ## ~ is for backupfiles from vi, emacs, joe, ... ## .inc is often used for code includes which should in general not be part ## of the document-root url.access-deny = ( "~", ".inc" ) ## ## disable range requests for pdf files ## workaround for a bug in the Acrobat Reader plugin. ## $HTTP["url"] =~ "\.pdf$" { server.range-requests = "disable" } ## ## url handling modules (rewrite, redirect) ## #url.rewrite = ( "^/$" => "/server-status" ) #url.redirect = ( "^/wishlist/(.+)" => "http://www.example.com/$1" ) ## ## both rewrite/redirect support back reference to regex conditional using %n ## #$HTTP["host"] =~ "^www\.(.*)" { # url.redirect = ( "^/(.*)" => "http://%1/$1" ) #} ## ## which extensions should not be handle via static-file transfer ## ## .php, .pl, .fcgi are most often handled by mod_fastcgi or mod_cgi ## static-file.exclude-extensions = ( ".php", ".pl", ".fcgi", ".scgi" ) ## ## error-handler for status 404 ## #server.error-handler-404 = "/error-handler.html" #server.error-handler-404 = "/error-handler.php" ## ## Format: <errorfile-prefix><status-code>.html ## -> ..../status-404.html for 'File not found' ## #server.errorfile-prefix = "/srv/www/htdocs/errors/status-" ## ## mimetype mapping ## include "conf.d/mime.conf" ## ## directory listing configuration ## include "conf.d/dirlisting.conf" ## ## Should lighttpd follow symlinks? ## server.follow-symlink = "enable" ## ## force all filenames to be lowercase? ## #server.force-lowercase-filenames = "disable" ## ## defaults to /var/tmp as we assume it is a local harddisk ## server.upload-dirs = ( "/var/tmp" ) ## ####################################################################### ####################################################################### ## ## SSL Support ## ------------- ## ## To enable SSL for the whole server you have to provide a valid ## certificate and have to enable the SSL engine.:: ## ## ssl.engine = "enable" ## ssl.pemfile = "/path/to/server.pem" ## ## The HTTPS protocol does not allow you to use name-based virtual ## hosting with SSL. If you want to run multiple SSL servers with ## one lighttpd instance you must use IP-based virtual hosting: :: ## ## $SERVER["socket"] == "10.0.0.1:443" { ## ssl.engine = "enable" ## ssl.pemfile = "/etc/ssl/private/www.example.com.pem" ## server.name = "www.example.com" ## ## server.document-root = "/srv/www/vhosts/example.com/www/" ## } ## ## If you have a .crt and a .key file, cat them together into a ## single PEM file: ## $ cat /etc/ssl/private/lighttpd.key /etc/ssl/certs/lighttpd.crt \ ## > /etc/ssl/private/lighttpd.pem ## #ssl.pemfile = "/etc/ssl/private/lighttpd.pem" ## ## optionally pass the CA certificate here. ## ## #ssl.ca-file = "" ## ####################################################################### ####################################################################### ## ## custom includes like vhosts. ## #include "conf.d/config.conf" #include_shell "cat /etc/lighttpd/vhosts.d/*.conf" ## ####################################################################### ####################################################################### ### Custom Added by me #url.rewrite-once = (".*\.(js|ico|gif|jpg|png|css|jar|class)$" => "$0", "" => "/index.php") url.rewrite-once = ( ".*\?(.*)$" => "/index.php?$1", "^/js/.*$" => "$0", "^.*\.(js|ico|gif|jpg|png|css|swf |jar|class)$" => "$0", "" => "/index.php" ) # expire.url = ( "" => "access 1 days" ) include "myvhost-vhosts.conf" ####################################################################### Here is my Vhost file for lighttpd $HTTP["host"] =~ "192.168.8.35$" { server.document-root = "/var/www/lighttpd/qc41022012/public" server.errorlog = "/var/log/lighttpd/error.log" accesslog.filename = "/var/log/lighttpd/access.log" server.error-handler-404 = "/e404.php" } and here is my nginx.conf file user nginx; worker_processes 5; error_log /var/log/nginx/error.log warn; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/testsite/logs/access.log main; sendfile on; #tcp_nopush on; keepalive_timeout 65; #gzip on; # include /etc/nginx/conf.d/*.conf; ## I added this ## include /etc/nginx/sites-available/*; } Here is my NginX Vhost file server { server_name 192.168.8.91; access_log /var/log/nginx/myapps/logs/access.log; error_log /var/log/nginx/myapps/logs/error.log; root /var/www/html/myapps/public; location / { index index.html index.htm index.php; } location = /favicon.ico { return 204; access_log off; log_not_found off; } # location ~ \.php$ { # try_files $uri /index.php; # include /etc/nginx/fastcgi_params; # fastcgi_pass 127.0.0.1:9000; # fastcgi_index index.php; # fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; # fastcgi_param SCRIPT_NAME $fastcgi_script_name; location ~ \.php.*$ { rewrite ^(.*.php)/ $1 last; fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; include fastcgi_params; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; # fastcgi_intercept_errors on; # fastcgi_param SCRIPT_FILENAME $document_root/index.php; # fastcgi_param PATH_INFO $uri; # fastcgi_pass 127.0.0.1:9000; # include fastcgi_params; } } We have a custom apps that we created that works great with lighttpd. I went through some headache also when we were trying to figure out how to make it work with lighttpd. this is the line that helps make it work in lighttpd. url.rewrite-once = ( ".*\?(.*)$" => "/index.php?$1", "^/js/.*$" => "$0", "^.*\.(js|ico|gif|jpg|png|css|swf |jar|class)$" => "$0", "" => "/index.php" ) but I couldn't figure out how to make it works in NginX. The webserver run just fine when we use the phpinfo.php test file. However as soon as I point it to my apps, nothing comes up. Check the error.log file and there's no error. Very mind boggling. I spent over 1 week trying to figure it out with no luck.. Please help?

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• Windows Server 2003 IPSec Tunnel Connected, But Not Working (Possibly NAT/RRAS Related)

  - by Kevinoid

  Configuration I have setup a "raw" IPSec tunnel between a Windows Server 2003 (SBS) machine and a Netgear FVG318 according to the instructions in Microsoft KB816514. The configuration is as follows (using the same conventions as the article): NetA | SBS2003 | FVG318 | NetB 10.0.0.0/24 | 216.x.x.x | 69.y.y.y | 10.0.254.0/24 Both the Main Mode and Quick Mode Security Associations are successfully completed and appear in the IP Security Monitor. I am also able to ping the SBS2003 server on its private address from any computer on NetB. The Problem Any traffic sent from a computer on NetA to NetB, or from SBS2003 to NetB (excluding ICMP Ping responses), is sent out on the public network interface outside the IPSec tunnel (no encryption or header authentication, as if the tunnel were not there). Pings sent from a computer on NetB to a computer on NetA successfully reach computers on NetA, but the responses are silently discarded by SBS2003 (they do not go out in the clear and do not generate any encrypted traffic). Possible Solutions Incorrect Configuration I could have mistyped something, somewhere, or KB816514 could be incorrect in some way. I have tried very hard to eliminate the first option. Have re-created the configuration several times, tried tweaking and adjusting all the settings I could without success (most prevent the SA from being established). NAT/RRAS I have seen multiple posts elsewhere suggesting that this could be due to interaction between NAT and the IPSec filters. Possibly the NetA private addresses get rewritten to 216.x.x.x before being compared with the Quick Mode IPSec filters and don't get tunneled because of the mismatch. In fact, The Cable Guy article from June 2005 "TCP/IP Packet Processing Paths" suggests that this is the case, (see step 2 and 4 of the Transit Traffic path). If this is the case, is there a way to exclude NetA-NetB traffic from NAT? Any thoughts, ideas, suggestions, and/or comments are appreciated. Update (2011-06-26) After failing to solve the problem, I resorted to paid Microsoft support. They were unable to solve the problem. Since then I have implemented a solution based on Linux that is working quite well. I will attempt to evaluate any proposed answers as best I can, but current configurations and time constraints will make this slow...

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• How to configure fastcgi to work with ligttpd in ubuntu

  - by michael

  I am able to run lighttpd on ubuntu 9.10. But when i tried to setup fastcgi with lighttpd by putting this in the ligttpd.conf file: #### fastcgi module fastcgi.server = ( "/fastcgi_scripts/" => (( "host" => "127.0.0.1", "port" => "9098", "check-local" => "disable", "bin-path" => "/usr/local/bin/cgi-fcgi", "docroot" => "/" # remote server may use # it's own docroot )) ) This is what I get in the error.log in ligttpd: 2010-03-07 21:00:11: (log.c.166) server started 2010-03-07 21:00:11: (mod_fastcgi.c.1104) the fastcgi-backend /usr/local/bin/cgi-fcgi failed to start: 2010-03-07 21:00:11: (mod_fastcgi.c.1108) child exited with status 1 /usr/local/bin/cgi-fcgi 2010-03-07 21:00:11: (mod_fastcgi.c.1111) If you're trying to run your app as a FastCGI backend, make sure you're using the FastCGI-enabled version. If this is PHP on Gentoo, add 'fastcgi' to the USE flags. 2010-03-07 21:00:11: (mod_fastcgi.c.1399) [ERROR]: spawning fcgi failed. 2010-03-07 21:00:11: (server.c.931) Configuration of plugins failed. Going down. I do have cgi-fcgi in /usr/local/bin: $ which cgi-fcgi /usr/local/bin/cgi-fcgi '/usr/local/bin/cgi-fcgi' is the executable after I download and compile fast-cgi. Here is my lighttpd conf file: $ more lighttpd.conf # lighttpd configuration file # # use it as a base for lighttpd 1.0.0 and above # # $Id: lighttpd.conf,v 1.7 2004/11/03 22:26:05 weigon Exp $ ############ Options you really have to take care of #################### ## modules to load # at least mod_access and mod_accesslog should be loaded # all other module should only be loaded if really neccesary # - saves some time # - saves memory server.modules = ( # "mod_rewrite", # "mod_redirect", # "mod_alias", "mod_access", # "mod_trigger_b4_dl", # "mod_auth", # "mod_status", # "mod_setenv", "mod_fastcgi", # "mod_proxy", # "mod_simple_vhost", # "mod_evhost", # "mod_userdir", # "mod_cgi", # "mod_compress", # "mod_ssi", # "mod_usertrack", # "mod_expire", # "mod_secdownload", # "mod_rrdtool", "mod_accesslog" ) ## A static document-root. For virtual hosting take a look at the ## mod_simple_vhost module. server.document-root = "/srv/www/htdocs/" ## where to send error-messages to server.errorlog = "/var/log/lighttpd/error.log" # files to check for if .../ is requested index-file.names = ( "index.php", "index.html", "index.htm", "default.htm" ) ## set the event-handler (read the performance section in the manual) # server.event-handler = "freebsd-kqueue" # needed on OS X # mimetype mapping mimetype.assign = ( ".pdf" => "application/pdf", ".sig" => "application/pgp-signature", ".spl" => "application/futuresplash", ".class" => "application/octet-stream", ".ps" => "application/postscript", ".torrent" => "application/x-bittorrent", ".dvi" => "application/x-dvi", ".gz" => "application/x-gzip", ".pac" => "application/x-ns-proxy-autoconfig", ".swf" => "application/x-shockwave-flash", ".tar.gz" => "application/x-tgz", ".tgz" => "application/x-tgz", ".tar" => "application/x-tar", ".zip" => "application/zip", ".mp3" => "audio/mpeg", ".m3u" => "audio/x-mpegurl", ".wma" => "audio/x-ms-wma", ".wax" => "audio/x-ms-wax", ".ogg" => "application/ogg", ".wav" => "audio/x-wav", ".gif" => "image/gif", ".jar" => "application/x-java-archive", ".jpg" => "image/jpeg", ".jpeg" => "image/jpeg", ".png" => "image/png", ".xbm" => "image/x-xbitmap", ".xpm" => "image/x-xpixmap", ".xwd" => "image/x-xwindowdump", ".css" => "text/css", ".html" => "text/html", ".htm" => "text/html", ".js" => "text/javascript", ".asc" => "text/plain", ".c" => "text/plain", ".cpp" => "text/plain", ".log" => "text/plain", ".conf" => "text/plain", ".text" => "text/plain", ".txt" => "text/plain", ".dtd" => "text/xml", ".xml" => "text/xml", ".mpeg" => "video/mpeg", ".mpg" => "video/mpeg", ".mov" => "video/quicktime", ".qt" => "video/quicktime", ".avi" => "video/x-msvideo", ".asf" => "video/x-ms-asf", ".asx" => "video/x-ms-asf", ".wmv" => "video/x-ms-wmv", ".bz2" => "application/x-bzip", ".tbz" => "application/x-bzip-compressed-tar", ".tar.bz2" => "application/x-bzip-compressed-tar", # default mime type "" => "application/octet-stream", ) # Use the "Content-Type" extended attribute to obtain mime type if possible #mimetype.use-xattr = "enable" ## send a different Server: header ## be nice and keep it at lighttpd # server.tag = "lighttpd" #### accesslog module accesslog.filename = "/var/log/lighttpd/access.log" ## deny access the file-extensions # # ~ is for backupfiles from vi, emacs, joe, ... # .inc is often used for code includes which should in general not be part # of the document-root url.access-deny = ( "~", ".inc" ) $HTTP["url"] =~ "\.pdf$" { server.range-requests = "disable" } ## # which extensions should not be handle via static-file transfer # # .php, .pl, .fcgi are most often handled by mod_fastcgi or mod_cgi static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" ) ######### Options that are good to be but not neccesary to be changed ####### ## bind to port (default: 80) server.port = 9090 ## bind to localhost (default: all interfaces) server.bind = "127.0.0.1" ## error-handler for status 404 #server.error-handler-404 = "/error-handler.html" #server.error-handler-404 = "/error-handler.php" ## to help the rc.scripts #server.pid-file = "/var/run/lighttpd.pid" ###### virtual hosts ## ## If you want name-based virtual hosting add the next three settings and load ## mod_simple_vhost ## ## document-root = ## virtual-server-root + virtual-server-default-host + virtual-server-docroot ## or ## virtual-server-root + http-host + virtual-server-docroot ## #simple-vhost.server-root = "/srv/www/vhosts/" #simple-vhost.default-host = "www.example.org" #simple-vhost.document-root = "/htdocs/" ## ## Format: <errorfile-prefix><status-code>.html ## -> ..../status-404.html for 'File not found' #server.errorfile-prefix = "/usr/share/lighttpd/errors/status-" #server.errorfile-prefix = "/srv/www/errors/status-" ## virtual directory listings #dir-listing.activate = "enable" ## select encoding for directory listings #dir-listing.encoding = "utf-8" ## enable debugging #debug.log-request-header = "enable" #debug.log-response-header = "enable" #debug.log-request-handling = "enable" #debug.log-file-not-found = "enable" ### only root can use these options # # chroot() to directory (default: no chroot() ) #server.chroot = "/" ## change uid to <uid> (default: don't care) #server.username = "wwwrun" ## change uid to <uid> (default: don't care) #server.groupname = "wwwrun" #### compress module #compress.cache-dir = "/var/cache/lighttpd/compress/" #compress.filetype = ("text/plain", "text/html") #### proxy module ## read proxy.txt for more info #proxy.server = ( ".php" => # ( "localhost" => # ( # "host" => "192.168.0.101", # "port" => 80 # ) # ) # ) #### fastcgi module fastcgi.server = ( "/fastcgi_scripts/" => (( "host" => "127.0.0.1", "port" => 1026, "check-local" => "disable", "bin-path" => "/usr/local/bin/cgi-fcgi", #"docroot" => "/" # remote server may use # it's own docroot )) ) ## read fastcgi.txt for more info ## for PHP don't forget to set cgi.fix_pathinfo = 1 in the php.ini #fastcgi.server = ( ".php" => # ( "localhost" => # ( # "socket" => "/var/run/lighttpd/php-fastcgi.s ocket", # "bin-path" => "/usr/local/bin/php-cgi" # ) # ) # ) #### CGI module #cgi.assign = ( ".pl" => "/usr/bin/perl", # ".cgi" => "/usr/bin/perl" ) # #### SSL engine #ssl.engine = "enable" #ssl.pemfile = "/etc/ssl/private/lighttpd.pem" #### status module #status.status-url = "/server-status" #status.config-url = "/server-config" #### auth module ## read authentication.txt for more info #auth.backend = "plain" #auth.backend.plain.userfile = "lighttpd.user" #auth.backend.plain.groupfile = "lighttpd.group" #auth.backend.ldap.hostname = "localhost" #auth.backend.ldap.base-dn = "dc=my-domain,dc=com" #auth.backend.ldap.filter = "(uid=$)" #auth.require = ( "/server-status" => # ( # "method" => "digest", # "realm" => "download archiv", # "require" => "user=jan" # ), # "/server-config" => # ( # "method" => "digest", # "realm" => "download archiv", # "require" => "valid-user" # ) # ) #### url handling modules (rewrite, redirect, access) #url.rewrite = ( "^/$" => "/server-status" ) #url.redirect = ( "^/wishlist/(.+)" => "http://www.123.org/$1" ) #### both rewrite/redirect support back reference to regex conditional using %n #$HTTP["host"] =~ "^www\.(.*)" { # url.redirect = ( "^/(.*)" => "http://%1/$1" ) #} # # define a pattern for the host url finding # %% => % sign # %0 => domain name + tld # %1 => tld # %2 => domain name without tld # %3 => subdomain 1 name # %4 => subdomain 2 name # #evhost.path-pattern = "/srv/www/vhosts/%3/htdocs/" #### expire module #expire.url = ( "/buggy/" => "access 2 hours", "/asdhas/" => "ac cess plus 1 seconds 2 minutes") #### ssi #ssi.extension = ( ".shtml" ) #### rrdtool #rrdtool.binary = "/usr/bin/rrdtool" #rrdtool.db-name = "/var/lib/lighttpd/lighttpd.rrd" #### setenv #setenv.add-request-header = ( "TRAV_ENV" => "mysql://user@host/db" ) #setenv.add-response-header = ( "X-Secret-Message" => "42" ) ## for mod_trigger_b4_dl # trigger-before-download.gdbm-filename = "/var/lib/lighttpd/trigger.db" # trigger-before-download.memcache-hosts = ( "127.0.0.1:11211" ) # trigger-before-download.trigger-url = "^/trigger/" # trigger-before-download.download-url = "^/download/" # trigger-before-download.deny-url = "http://127.0.0.1/index.html" # trigger-before-download.trigger-timeout = 10 #### variable usage: ## variable name without "." is auto prefixed by "var." and becomes "var.bar" #bar = 1 #var.mystring = "foo" ## integer add #bar += 1 ## string concat, with integer cast as string, result: "www.foo1.com" #server.name = "www." + mystring + var.bar + ".com" ## array merge #index-file.names = (foo + ".php") + index-file.names #index-file.names += (foo + ".php") #### include #include /etc/lighttpd/lighttpd-inc.conf ## same as above if you run: "lighttpd -f /etc/lighttpd/lighttpd.conf" #include "lighttpd-inc.conf" #### include_shell #include_shell "echo var.a=1" ## the above is same as: #var.a=1 Thank you for your help.

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• KeePass justification

  - by Jeff Walker

  I work at a place that tries to take security seriously, but sadly, they often fail. Currently, one of the major ways they fail is password management. I personally have about 20 accounts (my personal user id on lots of machines). For shared "system" accounts, there are about 45 per environment; development, test, and production. I have access to 2 of those, so my personal total is somewhere around 115 accounts. Passwords have to be at least 15 characters with some extensive but standard complexity constraints, and have to be changed every 60 days or so (system accounts every year). They also should not be the same for different accounts, but that isn't enforced. Think DoD-type standards. There is no way to remember and keep up with this. It just isn't humanly possible, as far as I'm concerned. This might be a good justification of a centralized account management system, a la LDAP or ActiveDirectory, but that is a totally different battle. Currently the solution is an Excel spreadsheet. They use Excel to put a password on it, and then most people make a copy and remove the password. This makes my stomach turn. I use KeePass for this problem and it manages all of my account very well. I like the features like auto-typing, grouping, plugins, password generation, etc. It uses AES-256 encryption via the .Net framework, and while not FIPS compliant, it has a very good reputation. The only problem is that they are also very careful about using randomly downloaded software. So we have to justify every piece of software on our workstations. I have been told that they really don't want me to use this, be cause of the "sensitive nature" of storing passwords. sigh My justification has to be "VERY VERY strong". I have been tasked with writing a justification for KeePass, but as I am lazy, I would like any input that I can get from the community. What do you recommend? Is there something out there that is better or more respected than KeePass? Is there any security experts saying interesting things on this topic? Anything will help at this point. Thanks.

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• Tying down a cloud by virtualizing everything and then locking VMs to real hardware as necessary

  - by tudor

  I'm looking for a cloud software solution that: Can run on both server and desktop machines; Virtualizes hardware and has the option of exposing each real machine to the cloud; Allows a VM to be "locked" to a set of real hardware capabilities and stay there until moved (e.g. a user's "real" desktop); Allows a VM to link to some types of devices elsewhere (e.g. USB/serial via ethernet); and Is geography-aware to control movement of VMs between real networks. I'm aware that this may be the holy grail of virtualization, and I've searched alot. Some solutions appear to meet some criteria but not others. Most cloud implementations appear to ignore real hardware, for example. I realise that this may be solved by using three different implementations in combination: A standard cloud server farm. A bare-metal network backup utility with PXEBoot. VNC and/or VDI. (VNC obviously would require the real hardware to be running.) This combination, however, has some serious drawbacks that I'd like to solve by treating it as one system. My explanation follows... I have a network of real servers and desktops in multiple locations. I've virtualized servers before using Virtualbox and that's worked quite well. I've even connected USB devices to VMs on servers. I would like to virtualize the desktops in all my offices to facilitate movement of desktops, remote access (e.g. VDI) and bare-metal backups. However, I know that there are problems with this. For example, some desktops have specific hardware (e.g. 3D graphics cards, USB devices, etc) that limit their mobility. Geographic constraints also limit movement in that VMs can be moved easily within offices, but transferring between offices is not always preferable. What I would like to find is a system that can virtualize everything from bare-metal easily by maintaining an abstraction layer on each client and server machine that exposes the hardware available and runs as a cloud. Then certain VMs would be "locked" to specific hardware (so that, e.g. the VM runs only on their own desktop.) This would be required for situations where speed is important (e.g. 3D graphics pass-through). In addition, abstracted low-speed devices (e.g. USB) could be piped from real hardware to a VM in the cloud. This is important since if a VM is taken down, another VM can connect to the real hardware for minimum downtime.

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