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 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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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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246 views

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
678 views

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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442 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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2answers
178 views

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
2k views

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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443 views

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
470 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
938 views

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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261 views

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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1answer
340 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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3answers
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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
543 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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636 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
568 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
1k views

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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2answers
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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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1answer
131 views

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
149 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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666 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
132 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
369 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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916 views

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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1answer
233 views

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
240 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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248 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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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 ...
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2answers
606 views

What is the unit of size in df -k command output in linux box

what is the size unit for used, Available and what does 1K-blocks mean here does it say that size is always in kB? command: df -k | head -2 output: Filesystem 1K-blocks Used ...
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378 views

My KDE very slow in certain operations

I have a problem with my Linux installation. It seems that the KDE code that deals with directory windows is extremely slow (on both Dolphin and Konqueror). This happens both when I click on a ...
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1answer
350 views

Reset “at” command counter

Somebody help me how to reset the "at" command counter. Let's say I have 1000 "at" jobs then I need to reset the "at" command counter so that it goes back to zero and it will not increment to very ...
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271 views

cset shield --kthread on: should I use this?

I'm reading up on cpu shielding using Alex Tsariounov's cset utility here: https://rt.wiki.kernel.org/index.php/Cpuset_Management_Utility/tutorial In the tutorial I'm finding the wording around ...
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2answers
611 views

Reset KDE System Monitor (KSysGuard)

Something went wrong while I was attempting to restore a backup, and KDE System Guard ceased to display properly. This is the correct display (command running from root: kdesudo ksysguard): This is ...
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How to save or export a custom Linux kernel configuration

I downloaded a Linux Kernel from www.kernel.org, then I used menuconfig to customize it. After a lot of customizing it works just like I need it to, and I don't want to loose this actual ...
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1answer
371 views

Piping/Streaming all audio cross-platform to Android app

I wonder if there is really a way to create a cross-platform server/client program where you could simply send all audio output from a desktop PC to a homemade Android application which receives the ...
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1answer
645 views

Run a shell script in an existing terminal session

I'm writing a script to deploy a project to multiple servers (9 and counting). With compression, copying, and remote connections, the script is rapidly becoming fairly slow. So now I'm investigating ...
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delete multiple files on linux with spaces in file names

I have a directory on my Linux box with over 10000 files that I have to delete. Running... sudo rm -rf /var/tmp/* Gives the error message... sudo: unable to execute /bin/rm: Argument list too ...
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319 views

How to install (by hand, not setup) a Linux Kernel (3.xx) in a device and boot

I want to install only the Linux Kernel and install the bootstrap manually... like we did in good old DOS... Boot from a live linux, Install the devices hd*/sd*/etc., Initialize disk, make ...
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398 views

Keyboard / keymap problems with Xubuntu 12.04 + NX nomachine

I'm running NX client on my Macbook Pro to connect to a Xubuntu 12.04 desktop at work. I have configured NX client to start up a console upon connection. I am able to connect to my remote linux ...
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109 views

Show starting with a special line until a special line regex for Linux tail command

I use that notation at my log files: [something-something] somethings are necessary and variable length characters and numbers. My special log file includes line that has characters explained above. ...
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Running multiple instances of apache with Flash Media Server

Trying to get Adobe FMS server up and running - having multiple problems... (all on a rackspace cloud server running Centos 5.5) Trying to use a flash application I purchased to record video from ...