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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How to disable automount of pendrive

I am using CentOS 6.2 and I want to disable automount of pendrive. what is the procedure? which file should I edit?
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Combining multiple linux boxes and create VMs out of it

I am running on Ubuntu. I have a set of linux machines (5 to 6 machines). Which I want to combine as a single resource pool and on demand create multiple virtual instances of machines out of it. ...
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How to recover from system hang safely with no keyboard response?

My computer system hangs once in a blue moon when I am surfing certain websites such as Yahoo. The whole screen would freeze, except for the mouse pointer which I can still move around. It doesn't ...
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Keyboard input lagging in Linux Mint

I have a strange problem with my newly installed Linux Mint 13 Cinnamon. Sometimes, while I'm typing, the system does not register some of my inputs. And sometimes, it gets 'stuck' on a key and ...
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How does Linux see Windows partitions?

I have Windows XP installed in a hard drive which is partitioned into 2 drives: C and D. I have a second hard drive which is partitioned into drive G. As far as I know, Linux uses a tree filing ...
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DHCP Client Can't Find DHCP Server

I currently have 3 machines: CentOS (router) eth1 - 18.0.168.1 eth2 - 145.165.34.1 Windows Server 2008 (server) 18.0.168.2 DHCP scope - 145.165.34.10 - 145.165.34.20 Windows 7 (client) Supposed ...
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1answer
186 views

Ctrl + Shift + C only triggers language switch

How do I get Linux (preferably, without binding to wm) to wait until all keys in the combination are released before applying it? In my case, it is impossible to Copy/Paste text from/into terminal ...
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Why does a failed linux login take so long? [duplicate]

Possible Duplicate: Why would an incorrect password attempt take a lot longer to process than a correct one? When you get the correct login credentials, you are logged in immediately. When ...
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What is the 'migration" process?

I see lots of those on my production server, they come and go and take up lots of CPU time PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 17 root RT 0 0 0 0 ...
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Route one network client to VPN server via a Linux gateway server

I have a Ubuntu server (Ubuntu 10.04.4 LTS) acting as a gateway to my home network. I set up a VPN connection with the linux-pptp client and now have it as an interface on my home server. ppp0 ...
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1answer
544 views

virtual machine just like another terminal window in Linux?

I would like to have a 64bit Linux virtual machine running just like another terminal window in my 32bit Linux Vx-enabled laptop. How can I do that? I don't need a GUI for the virtual machine, just a ...
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1answer
293 views

git unable add device file?

is git unable to commit a device file? Under Linux system. For example: git clone blah@blah.com:/blah.git cd blah sudo cp -af /dev/ttyS0 . git add . git commit git msg: # On branch master ...
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Midnight Commander upload/copy exclude

My question is similar to this one, but I would like to exclude some directories recursively when copying/uploading files. Specifically I would like to exclude .git folders from the whole codebase I'm ...
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How does the EFI partition work and can I boot an x86 OS with a bootx64.efi file?

I have a Thinkpad X230 laptop and I want to install Linux Mint Debian Edition along side Windows 7 on my GPT formatted SSD with the BIOS in UEFI mode. The problem is that I don't understand how EFI ...
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2answers
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How can I access my mini-pc (RaspberryPi / MK802 / Mele A1000 / VIA APC) via ethernet/wifi without having Monitor?

Soon I will be getting my own mini-PC (RaspberryPi / MK802 / Mele A1000 / VIA APC). But I was wondering whether is there any possibility that I can just power up and access my mini-pc's OS by ...
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AVCHD MTS h264 1080p file with choppy playback in Linux

When I'm trying play video files from my camera: Seems stream 0 codec frame rate differs from container frame rate: 50.00 (50/1) -> 50.00 (50/1) Input #0, mpegts, from '00027.MTS': Duration: ...
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Windows batch command equivalent for these PHP and Bash commands

What are the equivalent commands in Windows if I have these commands in Linux? if (!is_dir('geoip')) mkdir('geoip', 0744); shell_exec('unzip -oj GeoLiteCity.zip -d geoip/'); shell_exec('rm -rf ...
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1answer
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Multibooting Windows 7 and Linux Mint 13

I have a few softwares that can only be run in Windows. So I'm thinking about multiboot. But I've a few questions. Firstly, does multibooting effects the performance of LM even a tiny negligible bit ...
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498 views

v4l - capture and watch at the same time

Capturing v4l and line-in audio using mencoder works very well, but I would like to record real-time game play video from consoles plugged into the video card. I've used xawtv for this (Works quite ...
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How does Ubuntu 12.04 link to windows user profile?

I'm playing around with various Linux distros and have so far tested Ubuntu briefly on my desktop dual booting alongside Windows 7. To my pleasant surprise, it detected users on my Windows partition ...
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1answer
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how to see each connection use of bandwidth?

I have a linux vps server and I want to see the current network connections and upload/download rate of each one. Is there any simple command that fulfill this purpose?
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Wget save cookies not working

I've been trying to login in the pyload through the web api, but wget is not saving the cookies and I don't understand why. I'm using the following command: wget --delete-after ...
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How can I recreate my user in Ubuntu?

I would like to start from scratch. How would I delete my user, including all data, but still have a way of recreating it? My user is the only user on the computer. It is also the administrative ...
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1answer
531 views

How do I stop linux from trying to mount android phone as usb storage?

When I plug in my Motorola Triumph to my fedora 17 linux box USB port, I get an endless series of errors on the linux box as it desperately attempts to mount the phone as a USB drive. Stuff like this: ...
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1answer
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FTP Error 550 when trying to access a folder via symbolic link

I'm configuring svftp on a linux machine. At the moment local users can login via ftp and they will see listened their home dir. They have write acces to it. No I want the users to write in de ...
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Grey screen after Kubuntu wake-up from sleep

After my Kubuntu wakes up from sleep mode, the screen is grey and the only thing I can do is to turn power off. I can't even go to console using Ctrl+Alt+F1. How to make wake-up work correctly? It ...
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387 views

Automatic wake up from “sleep” of kubuntu after ssh connection attempt

Is there a way to set Kubuntu up so that it wakes up automatically from sleep mode upon ssh connection attempt? I know there is something like WoL, but that's not what I need (am I right?).
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It is not possible to Run Google Chrome as root

I am facing one strange problem in my system. I am using CentOs 6.2 (linux) being root it is not possible to open Google Chrome browser. It giving the error like this... Firefox is working fine in ...
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1answer
625 views

Hard drive partition size wrong. How do I resize without loss of data?

$ fsck fsck from util-linux 2.20.1 e2fsck 1.42 (29-Nov-2011) The filesystem size (according to the superblock) is 610471680 blocks The physical size of the device is 536870911 blocks Either the ...
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1answer
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already opened files in a directory can still be saved after the directory is deleted - Linux

This is annoying feature of Linux. If I opened a file in a directory and then delete the directory, and copy another directory having the same name to the same place, I can still edit and save the ...
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1answer
692 views

Linux Iptables Routing

I need help with a problem. My setup is: CentOS (Router) eth1 18.0.168.1 255.255.248.0 eth2 145.165.34.1 255.255.254.0 Windows Server 2008 18.0.168.2 My problem is from the Windows machine, I ...
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1answer
613 views

find kernel config option in menuconfig

I've upgraded my gentoo-sources today to 3.3.8, and now I am looking at diff between old kernel's defconfig and old kernel's .config: there are about 20 changes. I want to apply this changes manually ...
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1answer
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HTML5 Video Only Plays Back at fast speed on Ubuntu/Linux

Every html5 video I try to play online plays at double/1.5x speed (very useful when trying to fastforward through a video, not great otherwise). I can slow it down to half speed (e.g. on YouTube ...
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Can I make a script always execute as root?

How to make a script execute as root, no matter who executes it? I read about setuid but I'm not sure how to do this. I'm using Linux, Ubuntu 12.04 LTS.
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Numeric keys on Apple keyboard

I have an Apple keyboard. I have numeric keys on the {'J', 'k','l','u','i'.'o'.'p','m' } keys. When I set Num Lock to off, it stops Num Lock for 2 seconds, and re-enables numeric keys. I tried ...
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Midi editor/composer for Linux

I need to compose midi music in Linux. I have experience this on Windows. There are lots of software out there for Windows that could do this. But now that I have switch to Linux (Debian, in ...
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1answer
155 views

How to get rid of motd on a single user account?

I know how to modify and how to get rid of motd in general, but the problem is, that I'm not allowed to sudo on my school's server - and I'd like to get rid of a quite long motd that appears each time ...
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1answer
699 views

Dual Booting with 2 HDDs & Syslinux

I've recently installed Arch linux and I'm using Syslinux as my bootloader. I'm using the following option to attempt to boot Windows on a separate disk to the disk Syslinux is on. LABEL windows ...
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3answers
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Why is my USB drive not mounted during startup

I have Arch Linux running on my Raspberry Pi. I added the following line to my fstab file: /dev/sda1 /mnt/MyBook ntfs defaults 0 0 for a while this worked fine, the device was ...
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3answers
135 views

linux permission conflicts

I'd like to ask you something that's bothering me for the last couple of days. On my system I keep a folder called myscripts under my usual home folder. What I tried to do is chmod 500 myscripts ...
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1answer
428 views

Some songs in my music collection are quieter than others, what can I do?

In my collection of music I have some songs which seem to be compressed nicely. But in addition to those I have songs which are overly quiet compared to the louder compressed songs. So maybe the ...
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Gnome 3 - Unable to change date and time

I am running Arch Linux with Gnome 3. Unfortunately, although my time and date settings in /etc/rc.conf show that HARDWARECLOCK='UTC' and TIMEZONE='America/LosAngeles'. I continue to get the timezone ...
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Time Command - Debian Linux Server

I am trying to compare two tools execution time, which I have installed in my debian linux server. Now, I have to give two command line commands to execute those two tools. For example say, cat ...
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1answer
277 views

Does Linux screen slow down a process running remotely?

I am running a process that is uploading a large file to Amazon S3 in a Linux screen (byobu). The programs outputs progress of the upload as it runs (s3cmd). Since the process is running remotely, and ...
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1answer
266 views

Accidentally mounted a ReiserFS drive as MBR on my windows box - how do I recover?

I had a WD Netcenter with a 160GB drive that kept dropping off the network. I opened up the enclosure and removed the hard drive, connected to a Windows box without knowing the drive used ReiserFS.... ...
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4answers
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Command line tool to identify audio file specs

I'm looking for an audio file equivalent to ImageMagick's identify command. For example, with identify, I can get brief information about a bunch of images: % identify b* banner1.jpg JPEG 134x614 ...
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1answer
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Skype not working in CentOS 6.2

I tried to install Skype on CentOS 6.2. I downloaded Skype's rpm package from here and tried this command to install – but it's giving an error like this: [root@localhost Downloads]# rpm -ivh ...
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1answer
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Partitioning in Linux with parted

I m trying to create a new partition in Linux with parted. I start parted as below. # parted -a optimal /dev/sda Below is the current partition table. Number Start End Size Type ...
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How can I kill processes according to their name?

I'm looking for a way to kill processes according to their name ('job_runner_'). this is what i currently do, i run the following command: ps -ef |grep job_runner_ and then run kill -9 on each on of ...
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1answer
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Gnome3 session logout

With gnome 2 there was the possibility to logout from a session by executing gnome-session-save --force-logout Unfortunately this gnome-session-save doesn't exist in Gnome3. Is there a different ...