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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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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2answers
557 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
6k views

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
984 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
80 views

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
927 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 ...
2
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1answer
891 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
2k 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
37k views

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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0answers
130 views

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
193 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
175 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
759 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
4k views

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 ...
3
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3answers
178 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 ...
5
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1answer
713 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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0answers
1k 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
347 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
451 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
315 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.... ...
8
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5answers
5k views

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
7k views

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
4k views

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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5answers
960 views

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
3k views

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
2k 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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2answers
486 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
581 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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0answers
465 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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3answers
1k 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 ...
8
votes
3answers
2k views

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
562 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
965 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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2answers
3k views

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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1answer
494 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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0answers
468 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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1answer
160 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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0answers
361 views

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 ...
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3answers
280 views

Backup files rather than deleting them in Linux

Suppose if I delete any file using the command prompt (I'm talking about Linux), that file is gone, I can't get back that file. If I by mistake delete any important file, then that would be a big ...
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2answers
119 views

Show matched lines for a given regex at Linux

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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2answers
27k views

What is the difference between Amazon Linux and RedHat Enterprise Linux on AWS EC2?

I am very new to this and I don't even know if I should ask this question here or on Stackoverflow or ServerFault. The Question I wish to set up a EC2 instance on Amazon Web Services. My ...
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2answers
275 views

System monitor and free -m show different readings

I saw memory usage by using System Monitor it showed me 778Mb/2012Mb. Then I checked it using free -m on terminal. I saw this total used free shared buffers cached ...
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0answers
160 views

Lost file mode information on ext3 directory hierarchy

An entire directory hierarchy of mine lost its file mode info. E.g., ed@bob:~/dev$ ls -l nir.git/ ls: cannot access nir.git/test: Permission denied ls: cannot access nir.git/log: Permission denied ...
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1answer
843 views

routing a secondary IP-addr. of a different private network on the same interface

Typical home-networking xDSL setup on a TG782 router/gateway. Hosts on the local private network are allocated IP-addresses in the range of 192.168.1.0/24 and can get to WAN through the aforementioned ...
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2answers
82 views

Grub File Stolen ( Windows and openSUSE )

I have a problem with my computer. I installed openSUSE on my external, and I still have Windows on my HDD. OpenSus took the Grub file and placed it on my external, so now I have to open OpenSus to ...
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2answers
1k views

Is there a tail -f equivalent for ls?

Basically the question is in the title. I want to monitor a directory for new files that are written or deleted, the way I can monitor a log file with tail -f. Is this possible?
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3answers
14k views

How to recover the password for a particular user account on my linux pc

I have a linux pc on which several users are configured to login. for the same PC i have the root access (username and password). I have lost one of the user accounts password. How to get back the ...
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1answer
1k views

Have rTorrent to move .torrent files

I am running rTorrent 0.9.2 and have configured it to move completed torrents to a different folder with this configuration line: system.method.set_key = ...
2
votes
1answer
1k views

How can I get Magnet links to open in transmission when running Enlightenment as my Window Manager?

I have found a way to do it when running Gnome, but I don't know how in Enlightment, and I'd really prefer not to switch window managers. The OS is Mint 12.
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1answer
1k views

How to mount filesystem at boot when filesystem exist

I have Linux mint 13 maya installed on USB Pendrive (my portable linux). I run it on different computers. Is there a way to set the fstab to auto mount the hard drive from X computer at boot? So far ...