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

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“boot error” Message When Booting From USB in Laptop

Trying to boot Linux Mint 12 in laptop from USB. When I prioritize BIOS to boot from USB, I'm getting a "boot error" message [no other messages]. I press any key and Windows 7 starts booting. The odd ...
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60 views

Modifiying a file in editor automatically

I'm trying to change a ppt to beamer. Here's the strategy I'm following: Copy all bullets from the ppt (open office) Paste it in an editor (gedit?) Hit save. (Here, it should call the sed script ...
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953 views

command in multiple lines

Here is an example code from a book I need to type on terminal > db.users.update( {username: "smith"}, { $set: {favorites: { cities: ["Chicago", "Cheyenne"], movies: ["Casablanca", ...
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Auto enable Mouse Wheel Emulation for ANY mouse devices on Linux

I'd like to have the behavior that using ANY mouse device I can hold down the middle key(or a real wheel) and move forward and back or left to right to emulate the wheel behavior. I found a way to do ...
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How do you run a server with chrooted Ubuntu on the HP TouchPad?

The problem: servers appear to be broken inside my Ubuntu chroot. No matter what kind of server I try to run, they all seem unresponsive (VLC server won't respond to client, mkRemote doesn't move the ...
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714 views

How to make core dumping in Linux for every process?

How make Linux core dumping for every process not only for deaemons?
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476 views

Giving a user permission to the /home directory

I am using CentOS 5.x. I would like to give a user permission to write on the /home directory. Do I have to make it a sudoer? Or is there any other better way for that?
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540 views

Is there any better idea to reverse a video and save it with and without voice? [closed]

What kind of programming language we have to use for this process or any free softwares are available ?
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Wireless won't work on Xubuntu 11.10, but worked with live CD

I just installed Xubuntu 11.10 on my system and wireless doesn't work. The wireless card worked perfectly on Ubuntu 11.10 and on the live CD version of Xubuntu 11.10. As soon as I installed Xubuntu ...
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2k views

Can't compile because valac not found, but it's installed

I'm trying to compile gwibber. This is what happens when I type ./configure. checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking ...
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3k views

where to define allowed telnet port numbers on locahost?

I am unable to do telnet on port 8000 while default telnet on port 23 works fine. What configuration is required? # telnet localhost 8000 Trying 127.0.0.1... telnet: connect to address 127.0.0.1: ...
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266 views

Limit URL's accessible over a SSH Tunnel

I have a server and I want to offer a tunnel through this server to some of my friends. But I want to limit the sites they can access using this tunnel. My plan was to create a user account without ...
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783 views

Desktop unable to boot automatically. Need to manually select boot device everytime

I have an Intel i5 2500K processor, Intel® Desktop Board DH67BL and 500GB SATA drive. Earlier I had another hard disk with OS installed on it as well as current hard disk. Now when I formatted the ...
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342 views

Why does writing large numbers of files to Truecrypt device cause splicing file error?

Using Linux, I have a whole backup partition encrypted with Truecrypt. I've been using this device for more than a year. Sometimes (but not always) when I copy large numbers of files to the ...
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306 views

GNU/Linux substitute for the Windows-based TreeComp tool

I miss the TreeComp tool from Windows on Linux. Does anybody know about a similar tool for Linux? I've tried Unison & Unison-gtk (slow and cumbersome), diff (various), meld, mc, rsync (immensely ...
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557 views

Recommendation for desktop VM host? [closed]

What I have: A desktop machine with a 3GHz AMD64 quad core processor, with 4G of ram, and dual monitors, and swappable SATA drive bays a SATA drive with Ubuntu 11.10 a SATA drive with Windows ...
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387 views

when we use “top -c” in Linux, which type of process is closed by brackets?

As the title said, which type of process is closed by brackets?
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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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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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3k views

Install java on Linux through shell without apt-get

I'd like to run multicraft on one of my servers. After some intensive debugging/installing I realised the server didn't yet have a Java Runtime Environment. I figured it would be easy to install, but ...
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1k views

Create site-to-site VPN from linux to Cisco - possible?

I have a question that I have not found a definitive answer on, but am hoping someone here can chime in and either point me in the right direction or crush my hopes and dreams. I have a Cisco ASA ...
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2answers
485 views

IPv6 LAN Clients IPV6 Address List

I am only using 'radvd'[Stateles Addres Configuration] server to advertise the prefix for LAN clients. LAN clients are formaing global ipv6 address based on advertised prefix. I need to display the ...
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897 views

Does memory allocated to tmpfs free itself when needed by an application?

I have 8GB of RAM and 4GB is dedicated to the tmpfs on /dev/shm. There's nothing actually in /dev/shm, so I'm wondering, is this memory still available for applications to use? If I needed to use ...
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16 color terminal (console, no X) only shows 8 colors?

I've been using Arch Linux on my new laptop and I'm trying to configure it such that I don't have any need for a DE or X server -- I just want command line utilities and a VC (productivity and saving ...
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705 views

Suitable USB external disks for a home Linux server [closed]

I've been running Ubuntu Server on a mini computer (fit-PC slim) for a few years. This box takes a single 2.5" IDE disk and has USB ports. I'm currently at Ubuntu Server 10.04. I use it mainly as a ...
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Mandriva Linux fails to boot after installing systemd

I have a Mandriva Linux system that was upgraded in-place using urpmi from version 2010.0 to 2010.1 and then 2011.0. I did run into a few minor issues, but nothing I couldn't handle. A few weeks ...
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Restricted Bash rbash

What creative ways are there to break out of rbash? I don't have permissions to run vim, scp or cat. restricted: cannot specify `/' in command names How am I supposed to execute anything ...
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2answers
512 views

change GNOME3 login background and prompt

I have GNOME3 on Debian and cannot for the life of me figure out how to customize the login screen, either background or box itself. Thoughts? I'm good with the terminal :P Also, Compiz does not do ...
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2k views

Locked out of VPS - No SSH

I've broken the SSH on my Debian 6 VPS (no GUI). When I try and connect, I get the following message: ssh: connect to host XXX port 22: Connection refused I have no physical access to the machine. ...
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664 views

Jobs with anacron won't run

I would like to run two bash scripts daily using anacron in order to backup some data. Unfortunately I can't figure out why said scripts are not executed. For test purposes I let cron execute the ...
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297 views

Ocropus 0.44 Usage

I believe I have installed OCRopus successfully, strangely I can't find any usage instructions anywhere, been looking for about an hour, perhaps I'm crazy... How do I use OCRopus? I want it to OCR a ...
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1k views

Debian 6, Clean Install - Where to start?

I've never used Debian before, but I have to run Debian 6 for a project and I was given instructions to install the dependencies. It's a clean Debian 6 install on an Amazon Web Services instance. ...
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Startup script not working in Debian Squeeze

In Debian Sqeeze, I created a script called /etc/init.d/capslock that contains this: #!/bin/sh echo "Remapping Caps Lock key to Escape" setkeycodes 0x3a 1 echo " ...done" I made it executable, and ...
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772 views

Linux drivers for laser printer Konica Minolta Magicolor 4750DN

I would like to install the konica minolta magicolor 4750DN in Linux (debian 64 bits, I know it's not really supported but that's not the issue right now) but all the manual says is "put the CD rom in ...
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4k views

Linux - Network Sharing a local NTFS usb drive

I have an external hard drive formated in NTFS which I would like to be able to access by the network. I want to make a network share out of it. I also have a Debian machine running in my house and I ...
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162 views

rsync: how to recreate hard-links after removed and recreated a file?

This is what I have: --dir1 ----file1 ----file2 Then I created another directory dir2 with hard-links. --dir2 ----file1 (hard link to dir1/file1) ----file2 (hard link to dir1/file2) Now I ...
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155 views

netbeans supress or disable system dynamic

while document has been already saved and I press ctrl+s - system dynamic "beep". it infuriates colleagues =(. How to disable it? Maybe it is possible to disable dynamic system-wide?
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Linux install error “ dracut Warning: Can't mount root filesystem. ”

I am installing Fedora 16. I just insert CD to install Fedora 16 in my laptop however, I am getting this error like "dracut Warning: Can't mount root filesystem." ...
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Linux sed can't read the file that's right there

grep -r -l --include=*.{html,js,css} "\bAA\b" . | xargs -0 -n 1 sed -i -e "s/\bAA\b/BB/g" When I ran the above command, I got the following error: sed: can't read ./login.html : No such file or ...
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Your GStreamer installation is missing a plug-in

I'm having this issue with my music player (Rhythmbox Music Player) on my Linux (SL) it says: Couldn't start playback Your GStreamer installation is missing a plug-in I have all plug-ins installed ...
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115 views

CPAN install to many directories

When I install stuff locally (not as root) with CPAN, it ends up putting things in a multitude of places. So much so, that I have to set PERL5LIB to five directories! Here's the CPAN settings where ...
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245 views

How can Yum tell me the version of depencencies?

I've installed a package with Yum (Varnish 3.0.2). However, a feature I need has been removed so I need to roll back. According to the documentation, the feature was removed in 3.0-Beta, so I wanted ...
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930 views

wireless is disabled by hardware switch

I am using Ubuntu 11.10, Every thing was working perfectly fine. After an update is installed my wireless network is stoped working. I am using HP ProBook 4530s The network indicator on right top ...
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1answer
1k views

Using fg with screen

I have a running job in a ssh terminal on an external server. I can pause it with CTRL + Z and resume it with fg. But I would like to pause it, run screen screen -S my_job and get it back in front ...
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69 views

Is it possible (and if so, how) to have a terminal open on x-screen 1, execute a command on that terminal, and have an application open on screen 2?

Let's say you have two monitors hooked up to the same machine, running gnome (let's call them 'A' and 'B'). Each has its own, independent x-screen. Our goal is to type a command into a terminal on ...
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How can I backup a Ubuntu system and restore it on another maching with completely different hardware?

I just completed my Ubuntu installation. It contains all packages I need and I configured my apps correctly. I would like to backup this installation and be able to restore it to different computers ...
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159 views

Execute script when RAM is almost full?

I'm looking for a way to execute a script as my RAM fills up, right before my machine starts swapping heavily and blocks my mouse, keyboard and other input devices for some minutes. The thing is that ...
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108 views

Ignoring path while archiving with TAR

I have a file that contain list of files I want to archive with tar. Let's call it mylist.txt It contains: /path1/path2/file1.txt /path1/path2/file3.txt ... /path1/path2/file10.txt What I want to ...
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140 views

Debian 5.0 belocs-locales vs locales

On Ubuntu, to add a locale to the system, I would edit /var/lib/locales/supported.d/local, add the locale and then run dpkg-reconfigure locales. I tried that on a Debian 5.0, but I discovered that ...
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132 views

Building a linux kernel for hardware I can't physically see

I've got a root server with 1and1 and I'm upgrading to a newer kernel... building it myself. I figured that, as long as I'm going to be compiling it myself, to save compile time and runtime memory ...