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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Progress bars during installation

For long time, I have been curious about 3 overlapping progress bars during installation of Linux distributions. I have seen people using 2 overlapping progress bars (one mostly for cache and the ...
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4answers
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Faking monitor EDID information

My monitor is sort of finicky. Sometimes I run a program that cycles through resolutions and the monitor will refuse to give its EDID information for a few days: (/var/log/Xorg.0.log) [ 239.653] ...
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578 views

Why is I/O caching performance so much better on Linux than Windows? [closed]

This question is really just a port of a similar question on Stack Overflow: The emerging consensus from that question is that Linux has superior caching to Windows but the specific reasons why have ...
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2answers
195 views

Parted Resize doesnt show up in mount

I used GParted to resize/move a partition on disk. The initial size was 50MB, but I shrunk my C:\ partition in windows, and then moved the start back 50GB This shows up in parted Model: ATA TOSHIBA ...
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1answer
2k views

Login issue - .bashrc permission denied?

I logged in as root user and create a new user and set the password. But I am unable to switch to the newly created user. What is the permission problem of .bashrc file with root user? # adduser -m ...
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1answer
1k views

Customize Chromium for a smaller tab/address bar?

I've got a 1024x600 display on my laptop that, while large enough for most of my activities (I'm running a pretty heavily customized XMonad setup) is cramped for web browsing. I've done a lot to make ...
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2answers
750 views

If i miss something in make menuconfig do i need to rebuild the kernel?

I left out an ethernet adapter driver in my make menuconfig - do I have to build the kernel again (gentoo distro) or is there a way to build in support once the os has been installed and running?
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1answer
85 views

how can i set in FFMPEG the video codec for a high quality avi?

hi im a begginer in using FFMPEG as a video audio converter, I wonder if someone can help me how to set parameters through FFMPEG in DOS ccommand that will result to a little compressed but still a ...
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1answer
192 views

Enabling support for pcmcia card after I install Gentoo Linux?

I installed gentoo on an old laptop and everything seemed fine on first boot apart from my ethernet adapter which is a pcmcia card. It's a fairly generic adapter (PC line) and what I was wondering was ...
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1answer
528 views

External USB hard drive is read only but I want r/w

I recently formatted a hard drive as ext3 to get it to mount in CentOS 5. Now it automatically mounts when I connect it to the USB port, and mounts to /media/disk, but i am not able to write to it. ...
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2answers
2k views

How to remove PDF bookmarks (from terminal or programatically)?

I was surprised that there is no easy way to remove bookmarks from PDF. pdftk can't do it, ghostscript same AFAIK, qpdf... and there are no other significant tools that I'm aware of Easiest for me ...
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2answers
10k views

bash commands to connect to wifi wpa network in debian

I'm trying to connect to my router but having no luck. I'm just missing some simple probably one line of code that I cant find anywhere. If I write iwlist wlan0 scan, it shows over 20+ networks that ...
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1answer
803 views

How to convert ext3 partition to use encrypted file system without losing data?

My embedded Linux device have 2 partitions: small root partition containing OS big data partition which uses ext3 I want to encrypt the data partition by using an encrypted file system. I don't ...
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2answers
116 views

Installed Linux On A Dual Boot With Windows XP But Cant Load Linux on Startup

I have a small 40gb hard drive which was running windows xp on its own with 9gb reserved for the recovery partition and 1gb empty (I assume for the swap partition). Anyway I decided to overwrite ...
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0answers
235 views

Looking for Tor GUI tool like TorK

I really appreciate the "Change Identity", "Drag to build circuit", and "Choose where you from..." feature in TorK, others (e.g. Vidalia or Torbutton) are missing these features. But Tork is based on ...
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1answer
421 views

Authorized keys only from external IP, but passwords allowed internally

I just set up my sshd_config to only accept authorized key instead of passwords to help secure my network. Is it possible to make this restriction only apply to external IPs and allow me to still use ...
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3answers
692 views

Backup Firefox bookmarks and other personal files bash script

I am migrating from Windows to Ubuntu for my personal desktop and I want to know an easy way to backup personal data such as Firefox bookmarks, personal documents, etc... In Windows I am copying ...
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1answer
3k views

finger command not working?

I am using amazon linux AMI on EC2 cloud. chfn command is working fine and i am able to change finger information. But finger command is not working. Any clue to solve the issue? # chfn testuser ...
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2answers
6k views

How can I list all locked users in Linux?

How can I list all locked users in Linux? usermod -L user_name This command locks a particular user. Does Linux have any command that lists locked user?
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1answer
6k views

Install Linux mint with Raid

My MB supports fake raid (Intel DH67CL motherboard). But I was using the system in 'software raid' as I could not correctly set up fake raid in Debian. Now, I decide to use Linux Mint 12. During the ...
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1answer
45 views

Folder/File Names on Desktop in Ubuntu Over-lapping

Alright, new Ubuntu user and I was wondering why my icons on the desktop sometimes have overlapping names. How do I fix this?
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1answer
1k views

ffmpeg not using full CPU power

I have a Dell Precision 490 workstation, running Ubuntu 11.10, with two dual core Xeon 5160 CPUs (so 2 physical CPUs, with 2 cores each), which I am using to encode TV recordings (MPEG2) to H264 using ...
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3answers
3k views

How to view Linux email folder (something@email.com) on Windows 7?

When I backup email folders from my webhost (on Linux) to my Windows 7, inside the folder, there is a list of files or folders named, for example, john@email.com or mary@email.com. These directories ...
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1answer
86 views

Technical reasoning behind Andriod SDK requiring a downloaded driver

I've started down the path of tinkering with my Android phones. What's curious to me is that during the bootloader unlocking process if you're on Windows you are required to download and install ...
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1answer
252 views

VNC tunnel via SSH connection

Here is the situation: Server 1 - I have direct SSH access to this machine. Server 2 - Can only be accessed via Server 1 (SSH). (Both Linux boxes.) Is there a way to set up direct VNC access to ...
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1answer
1k views

Run SH Commands in Background

I have a bunch of scripts that I need to run to start up a couple Node.js scripts and Mongo, among a couple other things. I'd like to create an SH script that I could run to start ALL of these at ...
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2answers
514 views

How can I install vim in minimal version of fedora?

I installed minimal version of fedora. Now how can I install vim in fedora. I have the packages for vim. But while I want to install it says A exception is occurred. Now I want to install vim directly ...
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1answer
73 views

configuring grub at boot up

How do I configure grub settings during boot process?What commands can I use at that time?I know I can change the settings in grub.conf or grub.cfg file but I want to do it at the time of booting.
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1answer
1k views

Kernel log littered with re-mount attempts because of going to/from battery mode. How do i turn it off?

My boot times became a bit too much so i decided to take a look ad kernel log to see what might be causing the problem.. There i noticed repeating: 12/17/11 02:25:28 PM EXT4-fs (sda6) ...
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1answer
2k views

How to split big flac file int tracks and fill the id3 tag?

I have a music album, but whole album is in single flac file and tracks are listed in cue file. So I'd like to split it into tracks, but also fill the id3 tags and name files by track name.
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3answers
472 views

Why does vi and sudo vi give me different version of vim?

The default version of vi that comes with Ubuntu Hardy is the 7.1 or 7.2. So I installed vim 7.3 from sources. Then to make it convenient I added this to my .bashrc alias vi='vim' In order to let ...
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1answer
767 views

GID for new user is not taking system default value 100?

New user is not taking system default Group ID. System default group id for new user is 100. Whenever i create a new user, GID as well as UID increments by 1. I can understand UID but GID should be ...
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1answer
921 views

Using convert to covert multiple jpg files to pdf - pdf quality

I used the command convert *.jpg out.pdf to convert multiple jpg files to pdf. But the quality of the output pdf is very low. Is there a way I can increase the quality?
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1answer
3k views

USB drive recognized in logs, but no device file for it

I'm trying to mount a flash drive (16 GB Cruzer) on my Arch Linux desktop. It works fine on my Arch Linux laptop, so it's not a problem with the drive. The drive is in /var/log/messages.log.3: Dec ...
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1answer
168 views

Linux: Aptitude: Howto replace a dependency by another?

I have a package named libqt4-designer and another package named libqt4-47-designer. When I do aptitude remove libqt4-designer, Aptitude wants to remove kdesudo and many other applications. How can I ...
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1answer
3k views

The correct way to move /home to another partition on linux

I've moved /home to a separate partition, this involved creating and mounting the new partition, copying the old home directory over to the newly mounted one, editing fstab to mount the new partition ...
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1answer
384 views

Automatically change layout depending on keyboard being used [duplicate]

Possible Duplicate: Separate keyboard for shortcuts on linux (two keyboards,two layouts) I have a laptop with a US layout and an external keyboard with a Spanish layout. Is it possible to ...
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0answers
436 views

Missing data reading hidraw

When reading data from HID device via hidraw, sometimes I miss some data. I can see that the data is transmitted OK over USB using a hardware snooping device, but for some reason I don't always get ...
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1answer
2k views

LVM Encrypted Physical Volume versus Encrypted Logical Volume. Am I safe?

I'm somehow new to disk encryption techniques in Linux, but I have the basic notions about encryption. Here my conditions: I need to have "full disk encryption", including "/", not just "/home". I ...
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2answers
3k views

How to increase VirtualBox virtual drive actual size?

I have selected "dynamically allocated" mode upon creating virtual drive. I was thinking it will grow automatically up to maximum size. But it constantly has "actual size" of 4Gb and does not growing ...
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2answers
364 views

How to reorder folders? (as displayed in `ls -U`)

I've got a number of unordered folders on a memory stick, which my car stereo shows in order of their real position on the stick (i.e. same as ls -U) What's the easiest way of physically reordering ...
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3answers
3k views

Should I disable hyperthreading?

I will be maxing out a few boxes running some heavy CPU intensive processing. Each process only uses 1 thread, so I will run them in parallel. I'm using machines with 4 cores, so that's 8 with ...
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1answer
822 views

How to make system-wide shortcut to insert umlauts in Gnome?

I have a US layout keyboard and frequently need to insert German Umlaut characters. While on Windows, I used to have an AutoIt script that would e.g. insert ö to the currently selected input control ...
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1answer
11k views

Understanding X Windows DISPLAY environment variable when tunnelling

I want to ssh to remote servers, both running CentOS with X11Forwarding enabled. However the X application cannot run properly on one of them - on host B it works fine. But on host A I get the error ...
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1answer
720 views

What basic linux command-line utility can I use to test a JDBC connection?

I'm troubleshooting an issue with importing data to Apache Solr from a MS SQL Server database via a JDBC connection. Solr is hosted on a CentOS linux machine, and SQL Server is (of course) on a ...
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2answers
700 views

Fullscreen Browser [closed]

I'm looking for a fullscreen browser for linux. It doesn't have to have any controls. It suffices if I can control the page on startup by passing a commandline argument. If possible, I'd like to ...
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2answers
2k views

Hostname resolution of Linux machines from any OS

This is all on a LAN: I have a bunch of Linux machines (I'm calling these endpoints) which receive their IPs from a DHCP server that I don't control. I don't control our internal DNS However, I do ...
2
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1answer
307 views

Synchornize linux clock without internet

How can I keep a clock from a linux machine updated if this linux machine have no internet access? The machine is in a network and others machine have internet access, but this particular one can't ...
2
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1answer
387 views

Have the at command return the job id of the task just submitted

Is it possible to have the at command return somehow the job id it just submitted when used from within a script? (kind of like $? retrieves the last exit code or $$/$! retrieve the PID of the command ...
3
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1answer
93 views

How can at execute a command from the command line

How can I schedule a command using at without having to include the command in a distict file, neither from the mini at shell that reads from standard input? That is I want to execute the command ...