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• Eclipse CDT wont recognize standard library

  - by Mike G

  I work primarily on my desktop, but I started working on my mac laptop and noticed a problem with eclipse CDT. The standard library was underlined yellow and cout wouldn't work (It wouldn't recognize/find it). I tried restarting the program and that didn't work. I then tried to see if xcode would work, found that the version of xcode was too old, and updated xcode. Eclipse still didn't work, but xcode did. I tried re-installing eclipse to the new version and re-installing cdt. It still wouldn't work. Restarting my computer wont work either. I'm not sure if this helps (or even matters/applies) but when I type g++ --version into terminal, it doesn't work. (I don't know if that matters but some tutorial told me to do that to check if the compiler was working). So, in review, I have: Re-installed eclipse Restarted my computer Re-installed xcode (which I think has all the compilers eclipse uses.) Updated Eclipse Typed g++ --version to test compiler.

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• Exchange 2010 mail routing with Hub Transport in multiple sites

  - by jmreicha

  I have two separate physical sites, Site A and Site B. In site A, I have following: 2 CAS servers 2 Hub Transport servers 2 Mailbox servers 2 Edge servers In site B, I have the following: 1 CAS 1 Hub 1 Mailbox 1 Edge Currently everything is working out of site A. That is, all users are housed on mailboxes that are in site A and all inbound mail flow is pointing to site A. I would eventually like to be able to move some of the mailboxes to site B without causing a disruption for resliency and redundancy purposes but I am not quite sure how to go about setting this up or if it is even possible. So far I have created an Edge subscription in site B and am able to send emails out from test accounts set up with mailboxes on the site B Mailbox server. However, I am unable to receive incoming mail messages and am confused. So I'm thinking incoming mail messages are still being directed to site A and then they are getting stuck because there is no way to route the mail to the site B mailboxes. Is this assumption correct? I am unfamiliar with mail flow and routing so I am not really sure what I need to be looking at? Would I add the site B hub transport to the Edge subscription in site A? Or I guess more specifically, how would I go about enabling communication and mail flow between mailboxes split up on site A and B?

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• SQL Server Replication Backup

  - by user18039

  Hi We have a new system that runs on SQL Server 2008 r2 64-bit. There is a primary on-line transactional processing (OLTP) database that accepts a high volume of updates from several thousand Point of Sale systems at stores around the country. In order to protect this vital function, I have decided to introduce a dedicated reporting database server - from which multiple users will run some pretty complex reports. I realise that there were a number of choices but I decided to use Transaction Replication as the mechanism for copying the data from the OLTP database to the new reporting database - one way replication. The solution has worked well in test. I'm now being asked what changes need to be made to the backup policy to cover the architectural changes. I have read pages such as MSDN:Strategies for Backing Up and Restoring Snapshot and Transactional Replication but I think these are overkill for my solution. In fact, my current thinking is that we simply need to continue making backups of the OLTP data and logs. If the Reporting db or any of the system replication (eg distribution) databases fail then it's no big deal - we can clear all down then re-create the replication. I realise that taking a complete snapshot of the OLTP would be time consuming (approx 5 hours) but I'd be more relaxed about this that trying to restore backups of the various data and log files in the correct sequence. My view is that the complex strategies set out in the MSDN article would only be the way to go for a more complex replication solution than I have, eg if there were multiple subscribers with 2-way replication. Would you agree? I'd be grateful for any advice. Many thanks, Rob.,

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• How is it possible to list all folders that a particular user/group has permissions on?

  - by Lord Torgamus

  Is it possible to list all folders/files that a given group has explicit permissions on, for a machine running Windows Server 2003? If so, how? It would be nice to see inherited permissions as well, but I could do with just explicit permissions. A little background: I'm trying to update groups/permissions on a test server. One of the groups, Devs, wasn't implemented correctly when it was created, and my goal is to remove it from the system. It has been replaced by LeadDevelopers, which has permissions on many — but naturally not all — of the same folders. I want to make sure that I don't accidentally orphan any folders or cause any other issues when I remove Devs. It did have some admin-level permissions. EDIT: The answers so far — at least *cacls and AccessEnum — provide a way to find out which groups/users have permissions on known directories/files. I actually want the reverse of this behavior: I know the group, and I'm looking for the directories/files for which the group has permissions. Also, as I noted in a comment, the Devs group is not itself a member of any other group.

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• Windows Vista freezes

  - by Kakurady

  Windows Vista (32-bit) would randomly freeze on my computer, usually 15-30 minutes after login but can happen just after login. All applications would stop responding and the hard drive will not make any sound, and after a while, the mouse cursor will also stop moving. I dual-boot Ubuntu, and that still works fine. It started with the computer freezing when loading Team Fortress 2. Alt-Tab and Ctrl-Alt-Del have no effect, and the hard drive does not make any sound. I tried to verify the game data using Steam and that freezes the computer too. So I stupidly reinstalled the game. Now the game doesn't freeze when it starts, but instead the whole computer randomly freezes. This computer is a Dell XPS M1530 with a 320GB (298GiB) drive (WDC WD3200BEVT-7) split 5-ways, with Windows and Linux a partition each, one more for Linux swap space, and another two partitions for Dell diagnostic program and factory image and drivers. There was once where the hard drive would make clicking noises all day, and only stopped when I rebooted the computer. Since then, the BIOS diagnostics would fail the drive (for "self-test log contains previous errors") whenever ran. (The on-disk diagnostics cannot be run because I overwrote the MBR with GRUB.) Naturally, I thought the hard drive could be the problem. CHKDSK found one bad sector, but this seems to have no effect. System File Checker found two protected files with wrong hashes, one is some kind of IE manifest, and the other is a tcpmon.ini. Neither of them can be restored because their back up copy also have wrong hashes. Nothing about system failures in the event viewer. What should I do next?

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• cannot get mssql working with sql server 2005

  - by Ryan

  I'm a MySQL/Apache user, trying my hand with IIS and SQL server, so please, if this is a stupid question have patience. I'm using IIS version 7.5. PHP version 5.3.13 and SQL server 2005 IIS is running on port 90, not sure if that will make a difference or not. I know my sql server is running because I can explore/connect to it in Server management studio. I know php is configured properly, because //localhost:90/phpinfo.php works fine. I updated the php_msql.dll extension in phpinfo to: extension=ext/php_msql.dll EDIT- However, when I run phpinfo() under the "configure command" row, this is present: --without-mssql I found/downloaded the ntwdblib.dll and placed it in both sys32 and php root. All these things were supposed to fix the issue, and they haven't. This is the code I'm using, straight from php.net: <?php // Server in the this format: <computer>\<instance name> or // <server>,<port> when using a non default port number $server = 'localhost'; // Connect to MSSQL $link = mssql_connect($server, 'uname', 'pwd'); if (!$link) { die('Something went wrong while connecting to MSSQL'); } ?> obviously I'm using a real username and password, but when I load the file in my browser, I receive a 500 error. Upon checking the log, this is what is displayed: 2012-06-25 12:41:29 ::1 GET /test.php - 90 - ::1 Mozilla/5.0+(Windows+NT+6.1;+WOW64)+AppleWebKit/536.5+(KHTML,+like+Gecko)+Chrome/19.0.1084.56+Safari/536.5 500 0 0 5 That (to me) doesn't help me much. What am I doing wrong? Thank you

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• Identifying Exchange 2010 regular process that is walking the mailbox database

  - by toongeneral

  I have an Exchange 2010 server running on a SAN-backed platform. The platform does block-level backups based on a snapshot/incremental basis, that only capture changed data. I was surprised to see a regular period of time where the data changes were happening at a high, sustained rate. Due to the way this system works, that can lead to 1.2TB of stored data per month. The regularity implied a scheduled task, but it is not a fixed interval. It is approximately every 26-32hrs. The disks were performing read operations of ~5MB/s and write operations of ~4.5MB/s, for a period of 3-4hrs. The total written data was ~55-60GB. Reading on TechNet, I am wondering if the following is causing this: http://blogs.technet.com/b/exchange/archive/2011/12/14/database-maintenance-in-exchange-2010.aspx#checksumming The somewhat restrictive thing is that the process only happens at most once every 24 hours. I was able to investigate while it was running, finding the following: the process is store.exe it is working on the mailbox database files while running, it is generating .log files (in the mailbox database folder) consistent with database changes the mailbox database is ~60GB in size, which fits with the total data changes on each iteration I have currently switched to a fixed maintenance window, as a test. It's not clear whether this is the cause, as the symptoms fit, but are not conclusive. Does anyone have any suggestions for additional troubleshooting?

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• Mercurial hook fails on Windows

  - by Nick Hodges

  I am trying to use the headcount hook (https://bitbucket.org/dgc/headcount/overview) with my main develop repository. I pulled the code and placed it in C:\Python26\Lib\site-packages. I made the following entries into my hgrc file: [hooks] pretxnchangegroup.headcount = python:headcount.headcount.hook [headcount] push_ok = * commit_ok = * warnmsg = %(headcount)d new heads detected. You may not push new heads to this repository. debug = False All this is as per the install instructions. I then cloned the repository, created a branch, committed a change to that branch, and then issued: hg push -f as a test. However, this fails with: C:\junk\htmlwriter>hg push -f pushing to c:\code\htmlwriter searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files transaction abort! rollback completed abort: pretxnchangegroup.headcount hook is invalid (import of "headcount.headcou nt" failed) I then ran this: C:\Python26>python c:\Python26\Lib\site-packages\headcount\headcount.py Traceback (most recent call last): File "c:\Python26\Lib\site-packages\headcount\headcount.py", line 2, in <modul e> import mercurial.node ImportError: No module named mercurial.node I'm far from a python expert, so can someone help me figure out how to get the headcount hook to run inside my mercurial environment? Details: Windows 7, Mercurial 1.7.2, TortoiseHg 1.1.7

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• How can records be deleted without activating the delete trigger?

  - by Servaas Phlips

  Hello there, Since about a month we are experiencing records that are disappearing from our database without any reason. (part of) Our database structure is at http://i.imgur.com/i15nG.png Now users and credentials can never be deleted. We noticed however that thanks to our backups that unfortanetely users disappeared from the database. The users and credentials that disappear appear to be completely random. In order to find out which application deletes this records we created triggers with the following checks: CREATE TRIGGER Credential_SoftDelete ON [Credential] INSTEAD OF DELETE AS DECLARE @message nvarchar(255) DECLARE @hostName nvarchar(30) DECLARE @loginName nvarchar(30) DECLARE @deletedId nvarchar(30) SELECT @deletedId=credentialid FROM deleted; SELECT @hostName=host_name,@loginName=login_name FROM sys.dm_exec_sessions WHERE session_id=@@SPID; SELECT @message = '[FAULT] Credential : ' + USER_NAME() + ' deleted ' +@deletedId + ' on ' + @@SERVERNAME + ' from [' + @hostname + ' by ' + @loginName; EXEC xp_logevent 50001,@message,ERROR GO Now after we added this trigger we hoped to find out which application deletes these credentials by searching in the log files. Unfortanetely the credentials are still deleted and the trigger Credential_SoftDelete is never logged. I did try run a delete on the database where the trigger is installed and where the users have disappeared. I ran the following query on the database: DELETE FROM [User] WHERE userid=296 and the trigger prevented deletion of this user and also logged this in the log events. This was actually on exact the same database where the users disappeared. (so no test copy or something like that) Please note that we also use replication, the type of replication we use is merge replication. How is this possible? Can the fact that we use replication on this database be the cause of this problem?

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• Sharepoint: authenticating users via forms authentication

  - by sbee

  My problem is the following(sharepoint Newbie) , i want to change the default zone from being a Windows Authenticated Zone to a Forms Authenticated Zone ,thereby forcing the site collection administrator to log in via forms authentication and not windows also the sharepoint users will be accesing the site internally my goal is to effectively replace windows authentication with forms authentication as my company does not have active directory installed. So far i have created an ASP Application that adds the users to the database,the database was created via the .Net Framework Asp tool(Asp reg_sql),however when i change the default zone to the AspNetSqlMembershipProvider(Forms) and attempt to add my site collection administrator via the Central admistrator, i get the following error "No Exact Match found" as shown on the screenshot. My inkling is that somehow the people picker is failing to read the users from the database but reasearch on correcting that thus far has proved fruitless. I have made all the relevant changes on the these sites(Central admin site,My test site & Add Users site) config files.Changes are the following(Membeship Provider,Connection String,People Picker) i left out the role provider for now as it is optional. Help on this would ge highly appreciated...

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• Ubuntu 10.10 - PC shutdown before boot shortly after BIOS loads

  - by clem

  Hi - Since installing Ubuntu 10.10 from Karmic I've started getting problems with starting up the PC. I've done a complete wipe (Boot and Nuke) of the hard drive and reinstalled Ubuntu 10.10 but the problem still occurs. There is no dual boot on the PC, just Ubuntu. Here is the problem: Each morning, when I turn the PC on from being off overnight, the PC starts up and loads the BIOS. I get the following message : "Verifying DMI Pool Data... K8 NPT Data Change...Update New Data to DMI!....... Then poof the computer shuts off. However, after switching the computer back on around 6 or 7 times after it's turned itself off, it will eventually boot up without any problem. Also, once up and running for a while, I can shutdown and restart the PC first time, without any issues. I have also noticed a problem with the USB mouse being recognised and once I finally get the computer booted up, I need to unplug and then plug the mouse back in to get it working. I've opened the PC up and checked the connections (cables, cards and memory) and it all seems fine. The main issue with troubleshooting this problem is I cannot test any suggestions or fixes until the next morning because once the computer is up and running it will remain so! I do not leave the computer on overnight to save energy. So.. is this a hardware / boot software issue? This is a very odd problem and I have googled to no avail. Any suggestions? Many thanks Clem

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• solution for an offline server

  - by dashmug

  I'm trying to setup a development server at work that will ideally be able to test drive a couple of projects in PHP, Rails, or Django (not always running at the same time). I develop the apps locally on a Mac and then I'll put the projects up on this server for testing with my actual users (non-techies) before deploying to a production server. My problem is that we have a very poor internet connection (almost negligible) at work and doing the usual apt-get/yum/ports (make, clean, install) processes for setting up servers always get their packages from online repositories somewhere. I know I could probably download the source and then compile them myself but that's going to be too much of a hassle for me. I'm thinking about two solutions: Plan A: Run a server VM on my Mac and then use this VM as the source repository for the offline server. I've read about Ubuntu's apt-proxy and it seems to be good enough though I haven't tried it yet. I'm not sure if this is possible but can I simply do apt-get install nginx --downloadonly so that the package and its dependencies will be downloaded into my VM and my server can use the VM as the source repo for apt-get? Plan B: Run a server VM on my Mac (which I can setup/update easily when I'm home) and then clone the VM to the offline development server. Maybe I should simply make the server a VM host so I can simply copy the VM over. I think this is okay for the first-time setup but subsequent updates will take too long (cloning the VM image). If I was working on Windows, I imagine it'd be easier because most services have an installer file that I can download and then run at the server. If you could suggest another way, it would be much appreciated. Update: From Michael Hampton's answer, I found a possible solution which is apt-cacher. I also found this page on Ubuntu's website. I wonder if there is a better tool than this one.

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• postfix email gateway

  - by k-h

  I am setting up a postfix email gateway. It will not hold any mail but will accept email for my domain and forward it to another internal mailserver and relay mail out from the internal server. One of the main problems is that I am working on a live running system and this will be an upgrade so I am using a test domain which I will change at some point to the real domain. I tried various methods but found the simplest way (that worked) was to use a script to create an aliases file (from ldap entries). There are various problems with this method. The main one being that the entries can't be of the simple form [email protected] because the gateway doesn't know where to send them. They have to be of the form: [email protected]. What I would like doesn't seem hard but I can't get my head around the postfix documentation. There seem to be various ways but none of them seem to work. Most of the examples I have found on the web assume the mail is going to end up on the server. I want a list of users somewhere, preferably of the form: user1, user2, etc rather than [email protected] (I can easily generate this list) and I would like postfix to forward all email to example.com to a particular server: ie realmailserver.example.com. Can anyone suggest clues as to how I might do this?

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• MySQL permissions error when showing databases

  - by Tony

  I was trying to install homebrew and very very stupidly did this: sudo chown -R $USER /usr/local The Homebrew instructions say to do this and I'm not much of a sysadmin so I took their word for it. Lesson learned (although I wouldn't really know how to test this...seems like an "undo" script would be super valuable here) Anyway, what is done is done, but now I get this error: $ mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 548 Server version: 5.1.33 Source distribution Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> show databases; ERROR 1018 (HY000): Can't read dir of '.' (errno: 13) I tried chown-ing back to root with no avail. Does anyone know how I can fix this without reinstalling mysql? Optionally, if I have to reinstall mysql, how can I dump my databases without access to the command line so I don't lose all of my data. Thanks!

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• Make nginx config like apache2 virtualhosts

  - by user2104070

  I have web server with apache2 with many subdomains on it like, domain.com, abc.domain.com, def.domain.com etc. etc. Now I got a new nginx server and want to set it up like apache2, so to test I created configs (2 files in /etc/nginx/sites-available/ and link to them from sites-enabled/) as shown, domain.config: server { listen 80 default_server; listen [::]:80 default_server ipv6only=on; root /srv/www/; index index.html index.htm; # Make site accessible from http://localhost/ server_name domain.com; location / { # First attempt to serve request as file, then # as directory, then fall back to displaying a 404. try_files $uri $uri/ =404; } } abc-domain config: server { listen 80; listen [::]:80; root /srv/www/tmp1/; index index.html index.htm; # Make site accessible from http://localhost/ server_name abc.domain.com; location / { # First attempt to serve request as file, then # as directory, then fall back to displaying a 404. try_files $uri $uri/ =404; } } but when I access with domain.com I am getting index.html from /var/www/tmp1 only. Is there something I'm doing wrong in the nginx config?

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• What LPR arguments do I need to print a 1400x800 pixel image on a 4x6 label?

  - by Nick

  This is driving me nuts. UPS sends our system a 1400x800 GIF image of a shipping label, which is supposed to fit nicely on a 4x6 page. Unfortunately, I can't seem to get the command line options right to make it happen. We're using an Eltron/Zebra 2844 with a network adapter, and printing from our Ubuntu 8.04 server using CUPS. We're using the correct drivers, and test pages print correctly. No matter what I try though, it insists on printing the UPS labels accross 6 pages, with a little bit of the label on each page, or way too small. I've tried a bazillion different lpr settings, most of them producing garbage. The closest I've gotten is this: lpr -P Eltron2844 -o natural-scaling=55 -o page-right=0 -o page-left=0 -o landscape -o media="4x6" ./1ZY437560399620027.gif but it causes the image to be too small on the page. It's about an inch too short, and there's a 1/2" margin on both sides. If I bump the scale up to 56, it explodes the image onto two pages, and squashes it. Any ideas?

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• How to fix "The connection was restarted"?

  - by Altar

  I have a php script with ajax. Few days ago, without making any changes, the script stopped working. The script is working sometimes but it is very slow. Other times it doesn't load completely. Yet other times it loads and empty page or it shows a "The connection was restarted" message. We have tried loading the page from 4 different computers in two different countries (two different ISPs). There is nothing relevant in the server's log. We contacted iPage.com hosting support. We sent screenshots. And all we manage to get from them was an incomplete screenshot and the message 'We tested. The page loads'. So, they won't admit the fault. It looks like they loaded the page once and declared it is working and went back to playing solitaire. I know their support. We had all kind of problems with iPage hosting. My questions are: 1. There is any way to make this error more easy to reproduce? I mean instead of fixing the error to get it appear more often. 2. There is any way to test a server response, to see if it drops connections?

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• In Outlook 2007 Rules and Alerts, EXACTLY what does "my name" mean?

  - by Cornan The Iowan

  I can't find any definition of "my name" in the Outlook 2007 Rules and Alerts or on the Internet. In this case our email system presents two email addresses for me to the outside world. I'd like BOTH of these addresses to be recognized as being "me". I thought that perhaps if I understood the definition of "my name" in the rules, I could set up my mailbox(es) appropriately. Of course if "my name" actually means a single email address, then I won't be able to do so, but if it means "any email on my account" or "any account meeting [some criteria]", then I might be successful. I'd like to note a subtlety in the rules definitions. While there is a rule named "where my name is in the To or Cc box", the only rule for explicit addresses is "sent to people or distribution list" (I'm assuming that "sent to" means "in the To:" list rather than "in the To: or cc: lists"). Summing up. My preference: 1) Understanding the precise definition of "my name" so that I can use "where my name is in the To or Cc box" to capture both email addresses from my account. 2) Learning the "sent to people or distribution list" actually includes Cc: entries (I can test this myself of course) 3) Any other solution that will let me define a rule where my secondary email address will be detected in EITHER the To: or Cc: boxes.

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• New router, slower internet connection?

  - by qwerty

  So, we just bought a new router a few hours ago, and it does work. However, for some reason the speed is just ridiculously slow (compared to before, at least)! If i run a test on speedtest.net i get the following results: http://i.imgur.com/68JyH.png which are pretty good. But for some reason it's like the connection just "hangs" for a second when i navigate to a site through the browser (have tried different browsers). It's not on all sites, it kind of happens randomly. I think the browser cache might be speeding some sites up, because if i visit a site that i HAVEN'T visited before (since i cleared my cache), it takes like two seconds (if not more) to open the site. If i have visited it, it opens directly (it barely loads). Not sure what to do, really. Any suggestions on what might speed it up? Any settings i can play with in the router settings? The router is of the brand Belkin. I'm not sure about the model though, it says "Belkin, Play Max Wireless Router" on the box? Thanks in advance! EDIT: Alright, it takes a lot more than two seconds. At least 3-4 depending on the site. Any suggestions?

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• crontab not running on VirtualBox unless I'm logged in

  - by Mike

  I am running Ubuntu Server 9.04 in VirtualBox on my work PC as a development environment. I have some scripts that I've put in my user's crontab that run throughout the day while I'm SSHed into the VM. Last night, I closed PuTTy and all of my other running applications (except for VirtualBox and the VM) and went home. I came back this morning to discover that my cron jobs didn't run at all, yet when I SSHed into the VM, the next scheduled job ran. I set the schedule to 5min to test, disconnected again, and the jobs stopped running on schedule. They seem to only run if I'm logged in to the machine. Obviously, I want them to run on schedule even if I'm not logged in to the VM, otherwise there's no point. Is there something I've failed to configure correctly? New Information: There are now 3 entries in /var/log/cron.log saying the following "Mount of private directory return code [256]"... the entries correspond to when the cron job is supposed to run. I thought they are supposed to run as my userid? Why would my own userid be unable to run a script in my home directory?

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• How can I have Vhosts with Lighttpd on Windows and keeping PHP through mod_cgi ?

  - by Pixelastic

  Hello, I installed Lighty on Windows 7 and managed to get it correctly serve both static and PHP files (through mod_cgi). At first I got the "No input file selected" message displayed when requesting a .php file. So, I updated the doc_root value in my php.ini to match the server.document-root defined in my Lighty config, and PHP stops complaining. Then I defined a VHost to point all foo.com requests to a specific dir. It worked well for all static files but when requesting a .php file, the mod_cgi was still picking files from the doc_root defined in php.ini, not in the directory I defined for server.document-root in my Vhost. I know its what's supposed to happen, PHP follows the config defined in php.ini. And I have to set this value in my php.ini otherwise no php is processed at all. What I don't understand is how I'm supposed to have virtual hosts with mod_cgi enabled here ? I tried adding [HOST=foo.com] section in the php.ini without any luck. I tried mod_fastcgi but could'n get it to work at all, I also tried mod_simple_host but could get it handle php. I managed to get it working by copying my PHP install to another dir (and changing the doc_root value) and adding a cgi.assign pointing to that install in my vhost. But this is a really hackish way, it means having one PHP install for each virtualhost. Note that I'm working on a development machine running Windows, this is not a production server, I just wanted to emulate the final Server config locally to test some changes. I googled a lot this problem but all I can find are people installing Lighty on windows with mod_cgi, or installing Lighty on Windows with virtual hosts, but I never found anyone who managed to get both.

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• Plesk Uninstall Memory issue

  - by user115079

  I am trying to uninstall plesk from my VPS by running following command: yum remove sw-* psa-* plesk-* when i run this command i get following error: Running rpm_check_debug Running Transaction Test memory alloc (4 bytes) returned NULL. First time when i run above command, this mem alloc (4 bytes) was very big number like (67864987). then i googled it, got some clear/ulimit commands. executed them. rebooted my system. stopped all process and executed this command again. but still getting 4 byte issue. dont know how to get rid of it. I also tried ulimit after reboot but no success and Yes. No swap attached. these are stats of my system [root@vps ~]# free -m total used free shared buffers cached Mem: 384 67 316 0 0 0 -/+ buffers/cache: 67 316 Swap: 0 0 0 top - 21:01:07 up 3:12, 1 user, load average: 0.24, 0.08, 0.03 Tasks: 31 total, 2 running, 29 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 393216k total, 69832k used, 323384k free, 0k buffers Swap: 0k total, 0k used, 0k free, 0k cached is there any other alternative to achieve my goal to uninstall plesk? thanks.

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• Basic connectivity issues between Win 7 and XP mixed wired/wireless network. [Solved]

  - by Pulse

  Setup: Windows 7 x64 Ultimate desktop hard wired to Asus WL500gp router (WL500gpv2-1.9.2.7-d-r1445 firmware) Several Bridged VirtualBox VM's running XP, 7, ubuntu server 10.04, Mint 9 and SuSE 11.2 Win XP Pro SP3 notebook with D-Link Airplus wireless network card. No firewall or other security software currently running on either platform (at least for the duration of the test) Situation: Router is acting DHCP server Clients are receiving correct addresses and additional parameters Internet connectivity is available from all clients Windows 7 sharing is set to Network type = work (not home group) NetBT is disabled on all clients using smb over TCP What I can do: I can ping the router and internet addresses from the wireless XP notebook I can ping the Win 7 desktop and any VM from the XP wireless notebook I can ping all devices from the router All VM's and 7 can ping each other and the router as well as Internet addresses What I can't do: I cannot ping the XP wireless notebook from either the Win 7 desktop or the VM's; it always returns a destination host unreachable error. Tracert resolves the name or the XP notebook but also returns a destination host unreachable. From the above it would seem that something is blocking connectivity in a single direction (from the Win 7 box to the Win XP notebook) only but the router can ping the XP notebook. Some fresh input would be most welcome, as this is beginning to drive me batty. Thanks

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• What's the safest way to kick off a root-level process via cgi on an Apache server?

  - by MartyMacGyver

  The problem: I have a script that runs periodically via a cron job as root, but I want to give people a way to kick it off asynchronously too, via a webpage. (The script will be written to ensure it doesn't run overlapping instances or such.) I don't need the users to log in or have an account, they simply click a button and if the script is ready to be run it'll run. The users may select arguments for the script (heavily filtered as inputs) but for simplicity we'll say they just have the button to choose to press. As a simple test, I've created a Python script in cgi-bin. chown-ing it to root:root and then applying "chmod ug+" to it didn't have the desired results: it still thinks it has the effective group of the web server account... from what I can tell this isn't allowed. I read that wrapping it with a compiled cgi program would do the job, so I created a C wrapper that calls my script (its permissions restored to normal) and gave the executable the root permissions and setuid bit. That worked... the script ran as if root ran it. My main question is, is this normal (the need for the binary wrapper to get the job done) and is this the secure way to do this? It's not world-facing but still, I'd like to learn best practices. More broadly, I often wonder why a compiled binary is more "trusted" than a script in practice? I'd think you'd trust a file that was human-readable over a cryptic binaryy. If an attacker can edit a file then you're already in trouble, more so if it's one you can't easily examine. In short, I'd expect it to be the other way 'round on that basis. Your thoughts?

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• MSMQ on Win2008 R2 won't receive messages from older clients

  - by Graffen

  I'm battling a really weird problem here. I have a Windows 2008 R2 server with Message Queueing installed. On another machine, running Windows 2003 is a service that is set up to send messages to a public queue on the 2008 server. However, messages never show up on the server. I've written a small console app that just sends a "Hello World" message to a test queue on the 2008 machine. Running this app on XP or 2003 results in absolutely nothing. However, when I try running the app on my Windows 7 machine, a message is delivered just fine. I've been through all sorts of security settings, disabled firewalls on all machines etc. The event log shows nothing of interest, and no exceptions are being thrown on the clients. Running a packet sniffer (WireShark) on the server reveals only a little. When trying to send a message from XP or 2003 I only see an ICMP error "Port Unreachable" on port 3527 (which I gather is an MQPing packet?). After that, silence. Wireshark shows a nice little stream of packets when I try from my Win7 client (as expected - messages get delivered just fine from Win7). I've enabled MSMQ End2End logging on the server, but only entries from the messages sent from my Win7 machine are appearing in the log. So somehow it seems that messages are being dropped silently somewhere along the route from XP or 2003 to my 2008 server. Does anyone have any clues as to what might be causing this mysterious behaviour? -- Jesper

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