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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mdadm - software raid

I set up a small raid based Ubuntu 11.04 server machine and have just received this email from it. How can i verify or check this ? Richard This is an automatically generated mail message from ...
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1answer
612 views

How do I disable the “lp” kernel module permanently

How do I disable autoload of the lp kernel module? What I've tried so far: Try to disabel the module via blacklist echo "blacklist lp">>/etc/modprobe.d/blacklist echo "blacklist ...
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1answer
497 views

adding repo to yum

I need to install mongodb server on my linux. To install via yum command I need to add it to my repo. Can someone guide me how to add something in my repo? ...
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1answer
1k views

bad ELF interpreter

While trying to install mongo db on my centos 5 -bash: ./mongod: /lib64/ld-linux-x86-64.so.2: bad ELF interpreter: No such file or directory after command uname -a I am getting this Linux ...
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5answers
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Does ln -s require you to be in a certain directory?

I want to create a simple symlink to a file. It works perfectly if I run the command from inside the directory where I want the symlink to be created: /path/to/link $ ln -s /path/to/file . But if ...
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1answer
132 views

Java programs wont run in Ubuntu

I have downloaded the java jdk in the terminal window of Ubunutu. I am trying to trace the number of system calls a No-op java program runs for my computer science class. the program looks like so: ...
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1answer
847 views

Is there a Linux distribution that almost never crashes on a Lenovo x120e? [closed]

I have a Lenovo Thinkpad x120e (0596-2RU) running Ubuntu 11.04. It crashes too much. I'd like to run a distribution that almost never crashes. Can anyone personally vouch that their x120e never ...
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3answers
292 views

Linux command line argument variations

New to Linux and have a few questions about command line arguments: Let's say there a command-line tool called widget that takes an argument called fizz. I've seen all different types of arguments: ...
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3answers
8k views

How can I start multiple screen sessions automatically?

I'm trying to build a command that launches screen, creates four sessions with different names, and run four different commands. I know how to do this manually: 1. screen 2. ./command1 args 3. ...
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2answers
196 views

How different shell scripts map to different OSes

New to Linux and have a few questions about shell scripting: shell C shell Bash shell Bourne shell korn shell So many "shells"! With respective to these, how do I tell which interpreters my Linux ...
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2answers
1k views

Putting an ATA storage device into PIO mode

I'm trying to do make the drive go into PIO mode with hdparm on Linux. hdparm -X pio0 /dev/sdX I have tried about 4-5 disks (PATA & SATA). I always get the same error: SG_IO: bad/missing ...
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1answer
734 views

X11: Map Shift-Win to be AltGr?

How can one map the key combination Shift-Win to work as AltGr on Debian-based Linux distributions? XKB is very sparsely documented indeed! Thanks.
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2answers
239 views

I accidently overwrote a linux shell program and would like to fix it

I accidentally overwrote one of the programs in the /bin directory, and would like to fix it. I am using Ubuntu 11.10, and would like some way to re-install just this file, without having to ...
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1answer
660 views

Setup HP MicroServer as Homeserver for NAS and other stuff

I've got a brand new HP Proliant Microserver N40L here, which I want to use mainly as a NAS system (because it has four hard drive bays) but since it also is a full-featured homeserver with enough RAM ...
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1answer
3k views

What to do if kill -9 doesn't work?

I've got a pesky process (in this case, a stranded process that was supposed to be running in iPhone Simulator (now long quit). 97442 ?? 0:00.00 (MyProcess) I've tried everything I can ...
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2answers
2k views

Linux: Browsing Windows file shares with a tree view

In the Thunar file manager, tree view does not expand for 'Network' section even once I click device name, It is possible to browse .gvfs, but it has problems with file deletion ('can not find ...
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3answers
4k views

Binding Super+C Super+V to Copy and Paste

For some time I've been interested in binding the Windows Key (Super_L) on my keyboard to Copy and Paste for no other reason but convenience and consistency between my desktop and my MacBook. I ...
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0answers
159 views

How to know if the BIOS in my Macbook Pro is running in EFI mode or BIOS emulation mode when in Linux

I totally replaced OSX with Linux. In Ubuntu 10.10, how can I tell which mode the BIOS is running in? Is it better to have it running in EFI mode?
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0answers
84 views

Where are Space and BackSpace defined?

I would like to put the right-arrow key on Ctrl-Space and Ctrl-BackSpace to see if that is comfortable for keeping me on / close to home row when I'm not in VIM. Here is the top stanza of my ...
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1answer
551 views

How can grub pass any custom variable into system enviroment?

I want to identify which menu entry has been lauched in rc scripts. So is it possible to pass any variable into my system via kernel argument?
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2answers
6k views

How do I choose what shows up in PuTTY title bar from Linux?

In the PuTTY configuration there's an option in Terminal->Features called Disable remote-controlled window title changing. Without that enabled, the title bar of PuTTY will change every time I press ...
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2answers
1k views

Fuse installation issue: “cannot remove `/sbin/mount.fuse': Permission denied”

I have non-root access to a SUSE enterprise linux system. I need to use FUSE but the FUSE libraries are not installed on it (fuse itself is installed on it though). Hence I am attempting to install ...
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3answers
853 views

Grep fail to ouptut to a pipe?

I'm having problems with grep filtering of make output. In particular, make target 2>&1 | grep -E --color=never "^make.*" works as expected, but the following will print no output to the ...
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1answer
771 views

Using a Linux/Unix terminal to copy many files to a new location

I'm trying to use the a Linux terminal to copy many files to a new location. I tired the command: sudo locate -i *file_I_want* | xargs cp $1 /place_I_want_everything_copied_to/ Which, gives an ...
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1answer
71 views

Is it possible to choose between various X.Org configurations and rc scripts via GRUB?

I have AMD/Intel hybrid graphics. I have been using only Intel GPU when AMD Proprietary crashed X.Org. Now i'm having installed Catalyst and i've recognized higher power usage. In both AMD/Intel and ...
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253 views

How to change the order of how $DISPLAY is allocated?

Setup: I have two X screens (i.e. DISPLAY=:0.0 and DISPLAY=:0.1 on the separate screens), running from different Nvidia graphics cards in a Ubuntu 10.04. Q: I'd like to know how $DISPLAY is set for ...
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4answers
6k views

Does RAID1 increase performance with Linux mdadm?

I have a cheap 2-bay NAS with a 2TB HDD. To be robust against disk failure, I'm thinking of buying a second 2TB HDD and putting it in RAID1 with Linux mdadm. The file system is ext4. Will this ...
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2answers
311 views

See what a user did with date/time?

I am trying to see what a specific linux user on my system did, and I looked at bash_history, but it doesn't have any dates. Is there a method I can look at that would give me dates/time?
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3answers
116 views

Need more swap space - out of disk slots

A server I am using was setup incorrectly with only 1G of swap space. There are no more hard disk physical slots. There is content on the existing disks. I would like to resize the partition, but ...
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1answer
600 views

How to use scp between servers

I have 2 Linux machines (CentOS), and I want to transfer a file from one of them to a directory on the other. A co-worker suggested using scp. I've looked at the official docs, and tried getting it to ...
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1answer
1k views

How to change Xfce top menu bar (theming doesn't help)

I have Debian Wheezy with XFCE 4.8 installed and I'm stuck with file menu bar (top menu bar present on almost all the windows). I've tried Appearance, Windows manager and Compiz config, but no ...
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1answer
95 views

Multiple Audio CD Burning On Linux

Have not been able to get a definitive answer on this. Using cdrecord or cdrdao on a linux box is it possible to write 4 different audio CDs at the same time. System is a P4 2.4 800fsb The drives are ...
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542 views

How I can download this directory?

Is it possible to download this entire directory with wget? How I can do that? This is the directory with the files that I want to download: ...
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3answers
1k views

X Window Server for running GUI tools

We are a software shop that writes a lot of Java code. Most of our Java app servers are CentOS boxes hosted at a remote data center. Whenever we need to get into those machines and sift around we ...
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2answers
3k views

Command to list permission of file and all folders from root to the file's path

Given a file, say /var/some_dir_1/some_dir_2/some_dir_3/some_file, is there a single command that will list the permissions of some_file and all the directories in its path from root, i.e. the ...
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3answers
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How to set up multiple IP addresses on my Linux?

I'm doing some computer network homework and I'm supposed to develop some sort of Peer to Peer file sharing software. I want to test it and run a few (five) instances on Ubuntu 11.10, which means each ...
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1answer
490 views

Yum update on Fedora with option

is possible to install PHP with option --enable-pcntl (compile flag) with yum on Fedora 14? I would like turn on pcntl support for my php scripts but I don't want to compile PHP. Update: Thats it, ...
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2answers
292 views

Can a WRT54Gv8 running a linux based OS inject packets?

I have a WRT54Gv8, and I want to hook it up to my computer thru ethernet, install Linux, install aireplay, and try it out. But will packet injection work? I can't find a solid answer on the topic ...
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0answers
353 views

Linux and Windows Dual Boot

I set up a dual-boot with Windows 7 and Ubuntu Server 11.10. Everything works fine until I boot into Windows. After booting into Windows, the machine reboots when I select Linux from the grub menu. ...
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1answer
701 views

Run package manager without root privileges to install packages to your home dir

I am working on a Linux system where I do not have root privileges. It lacks svn and some other packages, so I thought I would install them in my home directory. However, installing them from source ...
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3answers
21k views

yum hangs and won't respond

I am running yum check-update and it freezes after a 2 lines of output: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile I'm not sure what is happening. The last things I ...
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4answers
22k views

Page numbers in a PDF are off, how can I change them?

I have a digital edition of textbook I bought. The pages are numbered from 1 - 570. As a result, when I search page 68, it shows page 51 as the first pages originally in the textbook aren't numbered ...
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1answer
444 views

Linux command line expansion, reuse values

I'm trying to tftp a bunch of files tftp -m binary 192.168.1.2 -c put file1 target/file1 I've been trying to use cmd line expansion such as tftp -m binary 192.168.1.2 -c put `ls *` target/`ls *` ...
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2answers
649 views

Turning a USB Flash Drive into Password Key with Free Software

I read an article on Lifehacker the other day which showed you how to turn a USB flash drive into a "master password key" using LastPass (and some proprietary program LastPass licenses). Obviously, ...
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2answers
268 views

How do I use non-latin alphabet characters in a framebuffer console?

How do you guys use Linux when you have lots of files with non-Latin alphabets, or even Chinese/Japanese? I don't have a problem with Windows, because I do everything in the GUI (it's hard not to), ...
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3answers
2k views

How to remove Linux from my system without affecting Windows' bootloader?

I'm a Windows user. I tried to experiment with Linux and installed openSUSE on my system. I formatted a partition and installed Linux on that drive. When I tried to remove Linux by formatting that ...
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489 views

generic tunnel utility though a single tcp connection?

I have a embedded Linux device (in it's own private LAN connected to other sensoric devices) that's connected to the Internet. I can already make a secure, direct TCP connection using a proprietary ...
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1answer
7k views

XFS Can't Read the Superblock

I awoke this morning to find an email from my RAID host (Linux software RAID) telling me that a drive had failed. It's consumer hardware, it's not a big deal. I have cold spares. However, when I ...
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1answer
8k views

command-line utility to record from microphone

I am looking for command-line utility that monitors the microphone, and if you start to speak, writes the file. Recording period should be adjusted. Solution is: sox -t alsa default recording.wav ...
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2answers
4k views

Can't connect to wireless network in openSUSE

I had Windows XP. Recently I installed openSUSE Linux on my other drive. I had access to the internet through a wireless connection in Windows XP. For openSUSE I wanted to configure my wireless ...