Linux refers to the family of Unix-like computer operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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Calculation of working time based on system uptime

I know several tools that allow tracking time spend on different tasks / projects. Is there any existing tool for very very simplified work-time-tracking. Scenario: I am an employee, come to the ...
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2answers
7k views

How to install Gcc on Fedora 13 with i686 Architecture!

I have installed Fedora 13 lately, however its architecture is i686... i want to install the GNU C Compiler (both c and c++)..... now i searched for i686 architecture gcc but most of them are not ...
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2answers
2k views

Multiple CPU cores in Virtual Box

When I was using Virtual Box in Windows 7, I could choose how many CPU cores to assign to the guest OS. Now I'm using Linux, and when I installed Virtual Box, I couldn't find that option. System ...
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2answers
3k views

How do I change the default text editor in Ubuntu

How can I change the default text editor for console programs in Ubuntu. When I run mutt and send a message, it currently loads up Joe and I would prefet to load Vim. I know I can change $EDITOR for ...
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1answer
138 views

Ubuntu USB disk naming conflict on bootup

I've finally taken the plunge and ditched Vista for Ubuntu 10.04, and have a strange problem when booting up. Normally, my boot disk is /dev/sda, and grub boots from /dev/sda1 just fine. Once Linux ...
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2answers
108 views

how to use irc, do u know any online chat tools for linux online help [closed]

Can you please told we how we can use the irc (Internet relay chat) this name was just new to me ***what i heared about this is that this is online community for sharing various queries ... is there ...
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1answer
307 views

how do I forward *only* http proxy across vlans?

My router has two bridges, br0 and br1. I'm sharing wifi access, and the guest subnet will be 192.168.2.x. The home subnet will be 192.168.1.x. I want all traffic destined for port 80 from the ...
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6answers
2k views

Why a folder must be executable?

Permission for files: chmod 664 myFile // rw-rw-r-- And for folders: chmod 774 myFolder // rwxrwxr-- If I only use the "read and write" permission, the folders won't show its contents, why ?
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3answers
2k views

Linux program to artificially create CPU usage

Since I own one of those Centrino based Core 2 notebooks that create annoying buzzing noises when idle (= entering C3 or C4 power saving states), I'm looking for a program that creates artificial CPU ...
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1answer
348 views

Wireless router can't be found from linux

I have a very strange problem with my wireless routers, or linux. I have 2 wireless routers one directly connected to my modem (router 1) and another wireless router (router 2) on the 2nd floor ...
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votes
2answers
13k views

Using Ghostscript to convert multi-page PDF into single JPG?

I know Ghostscript can convert PDFs to JPGs, and in the case of a multi-page PDF, can rip each page to an individual JPG. But is it possible to have it rip them to one JPG, so that the pages are ...
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4answers
5k views

Linux Group Permissions not being enforced correctly.

I am running Ubuntu 10.04 server and am having some very counter-intuitive experiences with users/groups. For example: sudo touch test_file # create empty file sudo groupadd test ...
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2answers
331 views

encrypt files ubuntu

I know this question has been asked before but I am trying to get to the bottom of this. I am trying to encrypt a number of files in a zip file using some sort of decent encryption mechanism. By ...
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2answers
1k views

how to properly (or alternatively?) shutdown linux from terminal?

I wrote sudo shutdown now on my ubuntu VM terminal and the results were not what i expected. I expected results similar to shutting down through the desktop GUI but instead it shut down rather quickly ...
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2answers
13k views

How long are files kept in /var/tmp/, and how to use the directory?

I'm always hesitant to use /var/tmp/, because I never quite know exactly how long the files are kept there for, or even what the directory is used for. What determines when a file gets removed from ...
3
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1answer
241 views

Linux media box/mail server suffering filesystem/RAID errors, kernel panics

In the past week, the mini-ITX machine I built myself to serve mail and Samba shares has kernel panicked twice with filesystem-related stuff. Last night I noticed integrity errors when streaming a ...
1
vote
1answer
66 views

Is there a proper way to 'sync' branches and keep them separate?

So I created a new branch from master and eventually merge the changes back, only some changes seemed to merge and it would seem I merged in one direction. Eventually I just decided to be sure master ...
0
votes
1answer
880 views

How to setup virtual ip on Linux/Debian

Hi I am using Debian for MySQL Replication for HighAvailability.I want to set the virtual ip for my two debian machine so that Heartbeat can switch from one machine to another. I did that by using ...
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3answers
1k views

Kernel and User mode distinguishing

Who is responsible for determining that the process is in the Kernel mode or User mode? I know kernel knows which process is belong to what space, but how the CPU determines that? I mean should CPU be ...
2
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1answer
804 views

Change default file permission for mounted Windows network share

I'm on OS X and mount a network share from my Windows XP machine. Files by default have the rwx (700) permissions. What OS X option I need to change, that the files will have rw (600) permission? ...
0
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1answer
103 views

linux: links don't work after mount

This is not your classic programming question and since I'm quite new to this (really cool!) site, I'm not sure if this is the place, so I'll try anyway. I work in a lab when all the guys use PCs ...
0
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2answers
132 views

Why does running a program in bash work, when running it in the Menu doesn't?

I presume there is something in the JWM window manager - or Puppy Linux Lupu 5.01 itself that is conflicting with the normal loading of GMPLAYER.... I would like to know how to troubleshoot, and fix ...
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5answers
2k views

Is using Ubuntu Live CD safe for online financial transactions?

I thought it would be a good idea to use a Live CD of Ubuntu to do all my financial transactions online, I figure thats the safest way since any virus/trojan cannot infect the Live CD? Just one ...
17
votes
2answers
10k views

fine-grained sudoers configuration (allowed commandline arguments)

is there a straight-forward way to allow a user to run (for example) /usr/bin/pacman -S -u as root, without allowing him to run /usr/bin/pacman -S -u some_package ? The line user ALL=(root) ...
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2answers
3k views

Command line tool for connecting to wireless (Ubuntu)

I was wondering how to connect to wireless in a Linux command line environment -> I'm looking for a ncurses like program to do this, not a bunch of commands and files to edit. Is there one?
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1answer
447 views

Remove/Disable USB Host controller driver

Am a quite naive user of linux. I would like to know whether there is a way in which I can remove/disable the USB Host controller driver from the kernel, without kernel compilation..Am using a custom ...
3
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1answer
945 views

Encryption on Debian

How can I make Debian encrypt and decrypt my home folder when I log in/out like Ubuntu does?
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4answers
3k views

How do I copy command output in vim?

For example, if I type ':pwd' to get the current working directory, I can select the text in gvim but I can't figure out how to copy it to the clipboard. If I try the same in console vim, I can't even ...
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votes
2answers
561 views

running gui software on server without X11 installed

i am trying to script an visualization application, grads, to generate a bunch of maps in a preprocessing batch. The application normally takes input from the console and launches an X window to ...
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1answer
8k views

How can I wipe a flash drive from Linux?

I recently used a flash drive to try MeeGo on my netbook. Unfortunately, the application I used to write MeeGo to the flash drive created a new partition in a rather unusual format. The Ubuntu disk ...
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votes
5answers
675 views

How does it hurt to use Linux (Ubuntu) as a guest OS for all my tasks?

I have a machine running Windows, where the disk has two partitions C (50 GB) and D (250GB). I do research in Information Retrieval and need to work with a large corpus (more than 50 GB) and in ...
1
vote
1answer
925 views

apt-get tries to remove all xserver-xorg packages when I install web browser

When I try to install uzbl, a minimalistic web browser with apt-get, apt tries to remove a lot of packages that can't possibly have any relations to the uzbl package - since it's only a web browser. ...
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7answers
23k views

Is there a log that records shutdowns in Linux?

I was wondering if there is a log file in Linux which records every time the computer is shut down? The reason I am asking is I am doing some tests involving how long my laptop battery lasts under ...
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vote
3answers
5k views

Linux utility to execute HTTP requests and examine raw responses

I'm learning about the HTTP protocol and I'd like to know if there's a tool I can use to input a HTTP request I have created myself that will output the raw response. I've had a look at cURL and wget ...
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votes
6answers
17k views

Can I add a shortcut to replace a path in Linux?

For example, I always go to this path: /user/something/somefolders/somewhere but I don't want to type cd /user/something/somefolders/somewhere in the terminal all the time, can I have ...
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votes
3answers
1k views

run tcsh but bash started instead

I tried to start a tcsh on my Fedora 7 (default shell is bash) [ss@ssvm ~]$ tcsh [ss@ssvm ~]$ echo $SHELL /bin/bash As you see, another bash shell started. I looked at the tcsh file: [ss@ssvm ~]$ ...
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5answers
354 views

Which Linux distribution should I use? [duplicate]

Possible Duplicate: Linux distributions comparison As a Windows developer, I want to start developing on Linux - developing web apps using NetBeans, Ruby etc. I'm confused as to what to use ...
2
votes
1answer
972 views

Diff Folders Without Diffing Files [duplicate]

Possible Duplicate: Linux: Compare Directory Structure Without Comparing Files I am diff-ing two folder trees, but it takes a long time because it is diff-ing the files themselves. I just ...
5
votes
1answer
208 views

Install Java on Ubuntu/Linux

i am a windows user and wonder how do i go abt installing java on ubuntu (vbox) i have tried sudo apt-get install sun-java6-bin got couldnt find package sudo apt-get install sun-java6-jre ...
2
votes
1answer
309 views

How to prevent evince from contacting other instances?

Okay, this issue is kinda difficult to understand without context: When we run Evince, it checks if there is any other instance running. If there is one, the evince command exits immediately, right ...
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votes
3answers
2k views

Can I delete files created by others in a directory I own? [duplicate]

I created a directory somewhere with permissions rwxrwxr-x so that other users in my group can create files and directories in it. I do need to be able to delete the contents in this "public" ...
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7answers
6k views

ps command in ubuntu

Can someone describe where the ps console command in linux gets a list of processes? It seems like anytime I run ps, the only processes that come up are bash and ps itself. Are there other commands ...
4
votes
7answers
590 views

ISO for a “utility” live Linux CD

I'm looking for an small ISO for making a live CD. I need all the usual linux command line stuff (ls, dd, nc, fsck, etc.) but almost nothing more. A really stripped GUI would be nice but I can live ...
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3answers
395 views

Secure shell/terminal for Ubuntu

There are a couple commands I want to run in a terminal that require me to provide my password. I really don't want those commands ending up in any kind of history or anywhere else where they could ...
7
votes
1answer
3k views

Generate html based on directory structure

does any one knows a linux based program/script that can generate html files based on directory structure?
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2answers
350 views

How can i move the chromium buttons to the left in KDE4?

Can I make like this : Under KDE4? How?
2
votes
2answers
319 views

mirror certain windows across screens

on any OS (preferably windows though) is there a program or way to display a window on 2 screens which are in extended desktop mode. Perhaps I can explain better with a scenario. A teacher is giving ...
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1answer
228 views

MPD Interface that supports voting?

I'm looking for a web interface other that ampache that can stream to mpd and allows users to vote on what they want to hear. Any suggestions on how to do this?
17
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1answer
12k views

How to open a menu with 'Open Terminal Here' in Ubuntu 10.04 by left clicking desktop, or inside folder?

How can I customize Ubuntu 10.04 so the menu created by left clicking inside a folder or desktop gives me the option of opening up a terminal in that location? I have thsi functionality in the XFCE ...
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votes
3answers
1k views

Smallest rpm based linux possible?

Considering Linux distributions that are based on RPM. How can we have the smallest possible of these Linuxes in size with minimum number of packages?