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• Is this an apt-get issue or network issue?

  - by zharvey

  I just installed my first Ubuntu server (12.04) instance and immediately am noticing a few things: Running apt-get install or update fails (see below) Running ifconfig produces peculiar IP addresses starting with 10.x.x.x and my router does not see the server at all in its "Attached Devices" page (its a consumer grade Netgear) When I run apt-get I get 50+ of the following errors: Failed to fetch <some-http-url. Temporary failure resolving <blah.ubuntu.com I read up on this error for 12.04, and found some similar posts on this forum and on serverfault that recommended going into /etc/resolv.conf and adding an entry: nameserver 8.8.8.8 To my surprise, I found that /etc/resolve.conf was a symlink pointing to somewhere else and I had to delete it first, then create a new one with the entry indicated above. I restarted the server and tried running apt-get again: same results. How do I start diagnosing the problem (I'm a relatively new Linux/Ubuntu user)? Additional details that may help: This is actually a virtual machine running as a VirtualBox guest OS The physical host that is running this VM is my laptop which has a wireless connection; I'm wondering if (somehow) the laptop is getting the network wirelessly, but perhaps either the VBox VM and/or the Ubuntu server OS isn't configured for wireless and so nothing is "getting through"? Thanks in advance for any pointers! Edit: Here is a snapshot of my VM's Network settings (only Adapter 1 has any information populating its fields, so I assume my VM has only 1 adapter): Here is the output when I run ifconfig from the terminal: And here is the output when I run route from the terminal: Running ping google.com:

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• can't configure openfire

  - by SnOrfus

  I'm trying to setup openfire on one of the servers here and I've gone through the windows installer, installed the service, started the service and I can't connect to the admin console. If I go to http://127.0.0.1:9090 (or http://127.0.0.1/index.html) all I get is a blank page. I also tried running the GUI instead of the service, and it said that it was listening on 127.0.0.1:9090 and when I navigate there or click "launch admin" I still get a blank page. What could be the problem? It's a windows server 2k3 machine with IIS running (runs a couple of other sites). edit openfire 3.6.4 I installed on my local machine without problems, so it's obviously something on the server that's causing it. There is no firewall installed on that server so I'm not sure what would be stopping it.

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• VirtualBox : increase hard disk size of the virtual machine

  - by wim

  I have run out of space on my WinXP virtual machine, which I only gave 10 GB space for when I created it. Is there an easy way to increase it to, say, 20 GB? I can't see any obvious option in VirtualBox settings. edit: the suggestion below gives this error wim@wim-ubuntu:/media/data/winxp_vm$ VBoxManage modifyhd wim.vdi --resize 20000 VBoxManage: error: Cannot register the hard disk '/media/data/winxp_vm/wim.vdi' {46284957-2c09-4e70-8a49-bfbe0f7f681d} because a hard disk '/home/wim/VirtualBox VMs/winxp_vm/wim.vdi' with UUID {46284957-2c09-4e70-8a49-bfbe0f7f681d} already exists VBoxManage: error: Details: code NS_ERROR_INVALID_ARG (0x80070057), component VirtualBox, interface IVirtualBox, callee nsISupports Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, AccessMode_ReadWrite, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 210 of file VBoxManageDisk.cpp edit2: removing the .vdi from VirtualBox before calling VBoxManage command, then adding it back in, was successful. But now I can't boot the virtual machine, I get this worrying screen: By the way, it says FATAL: Could not read from the boot medium! System halted. edit3: The vdi must be reattached to the VM after VBoxManage command. Further, the partition will need to be resized from WITHIN windows, because you will have this empty space: I was able to resize the partition easily using a bit of freeware called EASEUS Partition Master 9.1.0 Home Edition.

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• Styles of games that work at low-resolution

  - by Brendan Long

  I'm taking a class on compilers, and the goal is to write a compiler for Meggy Jr devices (Arduino). The goal is just to make a simple compilers with loops and variables and stuff. Obviously, that's lame, so the "real goal" is to make an impressive game on the device. The problem is that it only has 64 pixels to work with (technically 72, but the top 8 are single-color and not part of the main display, so they're really only useful for displaying things like money). My problem is thinking of something to do on a device that small. It doesn't really matter if it's original, but it can't be something that's already available. My first idea was "snake", but that comes with the SDK. Same with a side-scrolling shooter. Remaining ideas include a tower defense game (hard to write, hard to control), an RPG (same), tetris (lame).. The problem is that all of the games I like require a high-resolution screen because they have a lot of text. Even a really simple game like nethack would be hard because each creature would be a single color. tl;dr What styles of games require a. No text; and b. Few enough objects that representing them each with a single color is acceptable? EDIT: To clarify, the display is 8x8 for a total of 64 pixels, not 64x64.

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• Install PHP on RedHat

  - by John R

  I just ran yum install php in the command prompt. Everything went fine ('complete!') as per the dialogue. I then uploaded a file that does not use short tags and is named with the proper extension (i.e., the name is test.php). <?php print "hello world"; ?> When I navigate my browser to test.php it just prints each of the characters shown above; i.e., PHP is not interpreting it. What might be the problem? Also, if there is a configuration file that needs to be updated, please tell me what directory path I am likely to find that file. Edit: Apache2 & Redhat

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• Making a C# w/ WPF multiple frame text / pseudo-calendar GUI application [closed]

  - by Gregor Samsa

  I am editing a recently asked question and making it specific, taking the advice of some people here. I would like to program of the following simple form: The user can produce X number of resizable frames (analogous to HTML frames). Each frame serves as a simple text editor, which you can type into and save the whole configuration including resized windows and text. The user should be able alternately "freeze" and present the information, and "unfreeze" and edit frames. I want to use C## with WPF, in Microsoft's Visual C#. I do not yet know this language. I am sure I can pick up the syntax, but I would like to ask about some general advice for how to structure such a program. I have never made a GUI program, let alone one that interfaces with a notepad or some basic text editor. Can someone either direct me to a good resource that will teach me how to do the above? Or outline the basic ingredients that such a program will require, keeping in mind that though I know some C and Python, I have no experience with GUIs or advanced programming generally? In particular I don't know how to incorporate this "text editor" aspect of the program, as well as the resizable frames I would greatly appreciate any help.

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• controlling an object through another object ?

  - by Stefano Borini

  Today I've seen the following pattern: you have an object A and an object B. Object B accepts a pointer to A at its constructor. Once B is created, there's a method B.doCalc() that performs a calculation (internally using A's information). The result is obtained with method B.getResult(). In order to perform another calculation, A is modified, and B.doCalc() is called again. What is your opinion on this choice ? I would have designed it differently, but I want to hear your voice. Edit : note that my main objection is to modify A to have a different result from B, without touching B. Although similar, I think that just this discipline expresses a much better feeling of what's going on. Instead of a = new A a.whatever = 5 b = new B(a) b.doCalc() res = b.getResult() a.whatever = 6 b.doCalc() res = b.getResult() You get the a pointer object from b itself. a = new A a.whatever = 5 b = new B(a) b.doCalc() res = b.getResult() a = b.getAPointer() a.whatever = 6 b.doCalc() res = b.getResult() because it makes more explicit the fact that a is taken from b and then modified. I still don't like it, though...

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• Server room kit?

  - by Bill Weiss

  I feel like this is a question I've seen on here before, but some searching didn't do me any good. This looks similar, but I'm looking for stuff I leave there, not what's in my go-bag. What would you say is indispensable equipment in your server room? I've inherited one that's a bit light on stuff (except for servers, those are in there). We're in the single digits of racks, if that matters. I'm thinking of things like: Cable labeler Ethernet tester (copper at least, fibre if you need) ... ? Community wiki, because, really. [Edit] I suppose it's important to say that it's a colo facility, kind of far from the office. No food, water, etc. :(

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• How do you avoid jumping to a solution when under pressure? [closed]

  - by GlenPeterson

  When under a particularly strict programming deadline (like an hour), if I panic at all, my tendency is to jump into coding without a real plan and hope I figure it out as I go along. Given enough time, this can work, but in an interview it's been pretty unsuccessful, if not downright counter-productive. I'm not always comfortable sitting there thinking while the clock ticks away. Is there a checklist or are there techniques to recognize when you understand the problem well enough to start coding? Maybe don't touch the keyboard for the first 5-10 minutes of the problem? At what point do you give up and code a brute-force solution with the hope of reasoning out a better solution later? A related follow-up question might be, "How do you ensure that you are solving the right problem?" Or "When is it most productive to think and design more vs. code some experiments to and figure out the design later?" EDIT: One close vote already, but I'm not sure why. I wrote this in the first person, but I doubt I'm the only programmer to ever choke in an interview. Here is a list of techniques for taking a math test and another for taking an oral exam. Maybe I'm not expressing myself well, but I'm asking if there is a similar list of techniques for handling a programming problem under pressure?

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• Configurable Objects - Introduction

  - by Anthony Shorten

  One of the interesting facilities in the framework is Configurable Object functionality (it is also known as Task Optimization and also known as Cool Tools). The idea is that any implementation can create their own views of the base product objects and services and implement functionality against those new views. For example, in Oracle Utilities Customer Care and Billing, there is a Person object. That object is used to store and manage information about individuals as well as companies. In the base product you would use the Person Maintenance screen and fill in some of the screen when you wanted to register or maintain and individual as well and fill out other parts of the screen when you wanted to register or maintain a company. This can be somewhat confusing to some customers. Using Configurable Objects this can be simplified. A business object can be created that is a view of the any object. For example, you could create a Human business object which would cover the aspects of the Person object pertaining to an individual and a Company business object to cover the aspects unique to a company. Even the tag names (i.e. Field Names) in the object can be changed to be more what the implementation is familiar with. The object can also restructure the object. For example, a common identifier for an individual in the USA is the Social Security number, this value is a Person Identifier (as this varies in each country). In the new Human object you can remap the Person Identifier as a Social Security number. To define a Business Object you use a schema editor built into the browser user interface and use a mapping language to setup the business objects. An example of the language is shown below in an extract of the schema for the Human business object. As you can see there are mapping as well as formatting and other tags. This information can be built manually or using a wizard which generates the base structure for you to alter. This is all stored as meta data when saved. Once a Business object is built it can be used as basis for code, other business objects (we support inheritance), called by a screen (called a UI Map) or even as a Web Service. This is just a start with Configurable Objects as you can also create views of base services called Business Services, Service Scripts used for non-object or complex object processing (as well as other things), UI Maps used for screens and Data Areas to reuse definitions across multiple objects. Configurable Objects are powerful and I only really touched on them here. Over the next few months I hope to add lots more entries about them.

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• Installation of Tex Live via the terminal 12.04

  - by user74713

  I need to install upstream version of TeX Live for 12.04 to edit the manual for Ubuntu. I am having a difficult time installing it per the directions @ http://ubuntu-manual.org/getinvolved/editors#install-texlive. TeX Live documents are on my computer, but I am not able to run the install. No TeX Live program found on my computer. Any help is greatly appreciated! ~Thanx!~ Hello, my name is Chris. I am a student pursuing a career in technical writing. I would like to assist the Ubuntu community while gaining experience & building my resume. Below I have listed the prior attempts & links to view the posts of each attempt: Backports I have tried using the official backports of the latest (2012) TeX-Live via their PPA. Please refer to link below for the particulars. How do I install the latest 2012 TeX Live on 12.04? Latex I've also tried running Latex as suggested. Please refer to link below for the particulars. http://ubuntuforums.org/showthread.php?t=2019051 PPA Causing Issue?? or something else I came across a post concerning the ability to install programs via the terminal and am wondering if it may be my problem??? Please refer to link below for the particulars. PPA - TeX Live Cannot install anything through Terminal - apt-get -f install

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• Strategy for managing lots of pictures for a website

  - by Nate

  I'm starting a new website that will (hopefully) have a lot of user generated pictures. I'm trying to figure out the best way to store and serve these pictures. The CMS I'm using (umbraco) has a media library that puts a folder on the server for each image. Inside of there you can have different sizes of that same image. That folder has an ID on it and the database has additional information for that image along with the ID of the folder. This works great for small sites, but what if the pictures get up to 10,000, 100,000 or 1,000,000? It seems like the lookup on the directory would take a long time to find the correct folder. I'm on windows 2008 if that makes a difference. I'm not so worried about load. I can load balance my server pretty easily and replicate the images across the servers. The nature of the site won't have a lot of users on it either, but it could have a lot of pics. Thanks. -Nate EDIT After some thought I think I'm going to create a directory for each user under a root image folder then have user's pictures under that. I would be pretty stoked if I had even 5,000 users, so that shouldn't be too bad of a linear lookup. If it does get slow I will break it down into folders like /media/a/adam/image123.png. If it ever gets really big I will expand the above method to build a bigger tree. That would take a LOT of content though.

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• How best to backup 6x Win2k3 Servers

  - by saille

  We have a external HP LTO3 tape drive. It needs to backup 6 Windows 2003 machines every night. Servers are HP DL380 G3 and the tape drive is attached locally to one of them via SCSI. On a budget of $0, and a goal of keeping-it-simple, what is going to be the best way to backup these machines? What software to use? NT Backup? Or does HP have something better for free? We don't need image backups - file system + system state will be adequate. Do we need to copy the files to be backed up onto the machine with the tape drive attached? Edit: Let me ask a more focussed question: Would you use NT Backup or something else? No soap boxing please, we've after some quick advice from someone who's used a similar setup.

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• Xfce gets really confused about session saving, etc

  - by Pointy

  I'm getting a new laptop running with 11.04 Ubuntu. I've got the xfce4 packages all installed, which is something I've had no problems with on any of my other machines. On this new laptop, however, though I can log in and use an xfce session without any problems, logging out of a session is problematic: I click the "Log out" widget from the panel and then "Log out" from its option dialog. Then the thing just sits there, not logging out. Subsequent attempts to open the "Log out" widget fail with an error about the session manager being busy. After maybe a minute or so, it logs out. Though I've got the "Save session" option checked in the log out dialog, xfce just makes a complete hash of the business. It does remember the applications that I had running, but it seems to forget about the window manager (!!) and the workspace configuration. I don't log in/out that often, and generally I don't care much about restarting applications, but the window manager being missing is of course pretty annoying. I like xfce because it's simple and unobtrusive and usually works pretty well. I've never experienced this, and I've got two other machines also running 11.04 with pretty much the same setup (straight Ubuntu install with xfce4 packages added). Is there some good way to diagnose stuff like that? edit — well I nuked my session cache, did an explicit save from the session widget, and now it works. Well, it doesn't save the workspace location for each client and instead opens them all up on the first workspace, but I think that may be because, in the session, xfwm4 is the last thing in the "Client" list, so before it's started all the other clients just pile up in the first (and only) workspace. I'm still curious about how exactly it gets so messed up. I certainly wasn't knowingly attempting anything fancy or unorthodox, though I may have done something fishy inadvertently.

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• Are programmers getting lazier and less competent

  - by Skeith

  I started programming in C++ at uni and loved it. In the next term we changed to VB6 and I hated it. I could not tell what was going on, you drag a button to a form and the ide writes the code for you. While I hated the way VB functioned I cannot argue that it was faster and easier than doing the same thing in C++ so i can see why it is a popular language. Now I am not calling VB developers lazy in just saying it easier than C++ and I have noticed that a lot of newer languages are following this trend such a C#. This leads me to think that as more business want quick results more people will program like this and sooner or later there will be no such thing as what we call programming now. Future programmers will tell the computer what they want and the compiler will write the program for them like in star trek. Is this just an under informed opinion of a junior programmer or are programmers getting lazier and less competent in general? EDIT: A lot of answers say why re invent the wheel and I agree with this but when there are wheels available people are not bothering to learn how to make the wheel. I can google how to do pretty much anything in any language and half the languages do so much for you when it come to debugging they have no idea what there code does of how to fix the error. That's how I cam up with the theory that programmers are becoming lazier and less competent as no one cares how stuff works just that it does until it does not.

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• Add padding to display

  - by frbry

  I know this one is weird a bit. I need to scale down the display on my monitor like the example below: http://img706.imageshack.us/img706/4130/58518806.jpg Normally, this could be done with some adjustments in monitor's OSD, but there is no OSD on my LCD monitor. Is it even possible by software? Thanks. Edit: Graphic Card: Intel G33/G31 express Chipset family It would be good if it's permament but it's not needed. I can change my operating system but currently i use Windows XP.

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• MySQL Workbench sends computer name with login not IP

  - by Android Addict

  I am attempting to connect MySQLWorkbench to a remote MySQL Server. The server has granted access to user@IPAddress However, when I try to connect MySQLWorkbench, it sends user@computername instead. How do I configure the connection to use the IP address instead in MySQLWorkbench? Reference: The remote server is on the local network, so I need to use the local IP address assigned to my client. EDIT What I have tried so far: from the server: mysql -u user@IPAddress -p --host=(ServerIPAddress) Returns: mysql> So that tells me the user account is operational. Furthermore, I confirmed it exists using: select user from mysql.user; returning a table of all users, of which the user I am using is present. I have also opened the port 3306: sbin/iptables -A INPUT -i eth0 -s clientIPAddress -p tcp --destination-port3306 -j ACCEPT Still I encounter Access Denied

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• SQL Developer: BLOBs and the External Editor

  - by thatjeffsmith

  We already know how easy it is to view images and plain text with the BLOB editor, yes? But what if I have in my column a bunch of PDFs stored? I want to see that stuff without having to save the file, finding it, and then opening it. Why can’t I just automatically open it directly from the database? Well, it seems you can. Here’s how. External Editors Step 1: Make sure you have the file types and associated editors defined in the preferences. External editors available from the BLOB viewer Based on what’s going on in your OS, you’ll have several of these already defined. If not, it’s pretty simple to add them manually. Now, assuming you’ve got some fun data loaded up, let’s try it out. A PDF As you can see in the screenshot above, PDF is mapped to Adobe Reader. I just happen to have a PDF loaded into a BLOB, let’s send it to the external editor. Click on the hyperlinked text to load the PDF straight to Adobe Here’s it working in action (click on the image to see the animation): If it’s a big file, you will see a dialog where we’re downloading the data. Now if I were to edit said document and save it back to the database via the ‘Load’ mechanism, then we’ve come full circle.

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• nginx dynamic servername with regular expression doesn't work for co.uk

  - by redn0x

  I'm trying to setup a nginx server which dynamically loads content from a folder for a domain. To do this I'm using regular expressions in the server name like so: server_name ((?<subdomain>.+)\.)?(?<domain>.+)\.(?<tld>.*); This will create a 3 variables for nginx to use later on, for example when using the following url: test.foo.example.com this will evaluate to: $subdomain = test.foo $domain = example $tld = com The problem arises when the co.uk top-level domain is used. In this case when using the url test.foo.example.co.ukit will evaluate to: $subdomain = test.foo.cedira $domain = co $tld = uk How can I edit the regular expression so that it will also work for co.uk?

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• Entering data into AD LDS

  - by Robert Koritnik

  I need some help configuring AD LDS (Active Directory Lightweight Directory Services). I'm not an administrator, have never configured domains and I don't have a clue how to add new users to existing domains. The thing is I need to develop an app that must be connected to AD. I've chosen AD LDS because I can install it on Windows 7 and it acts as an active directory even though there's no dmain controller present in the network. What I've done so far: I've installed AD LDS I've added a new instance with appication directory partition name DN=Air,DC=Watanabe,DC=pri I can connect to it using ADSI Edit and see all kinds of strange But now I don't know what to do? When it opens I can see the window below, but where's next? Can anybody give me some guidelines, how can I add domain users, so I can use them in my app AD required app?

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• How can a non-technical person can learn to write a spec for small projects?

  - by Joseph Turian

  How can a non-technical person learn to write specs for small projects? A friend of mine is trying to outsource some development on a statistics project. In particular, he does a lot of work in excel, and wants to outsource the creation of scripts to do what he now does by hand. However, my friend is extremely non-technical. He is poor at writing technical specs. When he does write a spec, it is written the way you would describe doing something in excel (go to this cell and then copy the value to that cell). It is also overly verbose, and does examples several times. I'm not sure if he properly describes corner cases. The first project he outsourced was a failure. I think he overdescribed some details, but underdescribed corner cases. That and/or the coder he hired didn't think through the corner cases and ask appropriate questions. I'm not sure. I got on IM with him and it took me half an hour to dig out a description that should have taken five minutes or less to describe. I wrote the scripts for him at the end, but didn't examine why his process with the coder failed. He has asked me for help. However, I refuse to get involved, because taking his spec and translating it into clear requirements is 10x more work than executing on a clearly written spec. What is the right way for him to learn? Are there resources he could use? Are there ways he can learn from small, low-pressure practice projects with coders? [edit: Most of his scripts are statistical and data processing oriented. e.g. take this column and run an average over it. Remove these rows under these conditions. So the challenge is different than spec'ing a web app.]

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• httpd.conf for case-insensitive file serving

  - by Anton Gogolev

  I'm a complete newbie with regard to managing Apache, so excuse me if I'm phrasing something incorrectly. I have a web site -- say, http://domain.com. The problem is that when I try to open http://domain.com/index.html in a web browser it displays the page, but when I attempt to access http://domain.com/Index.html (note capital I), it responds with HTTP 404. How do I configure Apache to serve both these files (and directories, for that matter) in a case-insensitive manner? Current httpd.conf is here. EDIT Dan C, thanks for a hint. I basically want to allow users to download files from my server and don't really want them to be aware that Index.html and index.html are in fact different. I'm also very willing to know as to what are the ramifications of this decision.

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• Add Windows 7 to boot menu

  - by Cumatru

  Device Boot Start End Blocks Id System /dev/sda1 * 1 13 102400 7 HPFS/NTFS - system restore /dev/sda2 13 4674 37436416 7 HPFS/NTFS - Windows 7 /dev/sda3 4674 58843 435116032 7 HPFS/NTFS - data storage /dev/sda4 58843 60802 15728640 83 Linux - Ubuntu 10.10 Initially i´ve installed StartUpManager. This ( i think ) added another 4 instances of Linux + memtest to my boot menu list. Altough, i din´t see any boot menu. It boots into Ubuntu after a few seconds. I´ve tried to add windows 7, but i did not succeed. This is a part of my menu.lst file. title Ubuntu 10.10, kernel 2.6.35-24-generic uuid 1c9748e2-2f11-4a6c-91c0-7310d48c4a7a kernel /boot/vmlinuz-2.6.35-24-generic root=UUID=1c9748e2-2f11-4a6c-91c0-7310d48c4a7a ro quiet splash initrd /boot/initrd.img-2.6.35-24-generic title Chainload into GRUB 2 root 1c9748e2-2f11-4a6c-91c0-7310d48c4a7a kernel /boot/grub/core.img title Ubuntu 10.10, memtest86+ uuid 1c9748e2-2f11-4a6c-91c0-7310d48c4a7a kernel /boot/memtest86+.bin menuentry “Windows 7? { set root=(hd0,2) chainloader +1 } And this is after a upgrade-grub Searching for GRUB installation directory ... found: /boot/grub Searching for default file ... found: /boot/grub/default Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst Searching for splash image ... none found, skipping ... Found kernel: /boot/vmlinuz-2.6.35-24-generic Found kernel: /boot/vmlinuz-2.6.35-22-generic Found GRUB 2: /boot/grub/core.img Found kernel: /boot/memtest86+.bin Updating /boot/grub/menu.lst ... done Later Edit: Ive added the following in 40_custom from /etc/grub.d/ and ive decommented hidden menu line from menu.lst, but i still cant see any boot menu. Ive also tried to press ESC and SHIFT. menuentry "Windows 7 (loader) (on /dev/sda1)" { insmod part_msdos insmod ntfs set root='(hd0,msdos1)' chainloader +1 } menuentry "Windows 7 (loader) (on /dev/sda1)" { insmod part_msdos insmod ntfs set root='(hd0,msdos0)' chainloader +1 } menuentry "Windows 7 (loader) (on /dev/sda1)" { set root= hd(0,0) chainloader +1 } menuentry "!Windows 7 (loader) (on /dev/sda1)" { set root= hd(0,1) chainloader +1 } menuentry "!!Windows 7 (loader) (on /dev/sda1)" { set root= hd(0,2) chainloader +1 }

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• Set defualt open with app to a python program on a Mac

  - by Vincent

  I use the open source application Ulipad http://code.google.com/p/ulipad/ do edit restructured text files (rst). It is a python application that I launch via terminal like so python32 UliPad.py I have python32 as an alias to the 32bit install of python on my machine. I have several versions installed. First I would like a way to launch ulipad like other osx apps. Not really sure how to do this. I would like to set all .rst files to be opened with UliPad.py. Is there a way to do this? I know how to choose the default app in finder but not sure how to choose ulipad as that app.

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• What services does hosts.allow NOT affect?

  - by Jed Daniels

  I know that hosts.allow and host.deny only affect things that are tcpwrappered, but what does this mean in practice? It seems that most people use hosts.allow to handle ssh and nfs blocking, but what other services are typically handled there? And what services AREN'T typically handled there? Edit: ok, I realize I did a terrible job of explaining what I was after. No, I'm not interested in knowing if a particular service can be handled by hosts.allow, I want to know if a service will be handled. For example, if I do an lsof -i, I get a nice list of things that are listening for connections to my box. I want to know which ones will be affected if I go stick an entry into hosts.allow (well, I really want to know which ones won't be affected).

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