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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Resume interrupted multiple-file disk images created with dd?

This is the effort to recover a failed hard drive containing several important research works. To sum up: with the method I tried (described below) I could not resume failed multiple images created ...
2
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1answer
12k views

How to install GNOME desktop from DVD on CentOS 6 using the command line?

I have installed CentOS 6 in Virtualbox. Although I have chosen to install General Purpose GNOME Desktop, the GNOME desktop does not start. All I get is a black and white text prompt. I would like to ...
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1answer
9k views

How do I install a crx file on Google Chrome Dev?

I'm using Google Chrome 21 Dev and I can't install .crx files. I download them, but no popup appears asking if I want to install it. Any suggestions?
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2answers
587 views

Motherboard/PSU crippling USB and Sata

I very recently bought a new desktop computer. The motherboard is: Z77MX-D3H and the power supply is ocz zs series 550w. The issue I have is that once I boot to the operating system (I have tried ...
4
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1answer
9k views

Configure permissions for /dev/ttyUSB0

I'm trying to communicate with an Arduino from Ubuntu 12.04. When plugging in the USB cable, the arduino's serial port occurs as /dev/ttyUSB0. When I try to connect to it using moserial, I'm getting ...
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0answers
60 views

The wireless connection could not be detected by other computer

I tried to configure router PC in my Linux Ubuntu 10.04 . I use 2 connection to connect 2 clients. The first computer uses a LAN connection and the second computer uses a wireless connection. When I ...
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3answers
15k views

How to change pass phrase of full disk encryption?

I installed Ubuntu 12 with full disk encryption, and now I want to change the pass phrase. How can this be done?
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2answers
2k views

How can I manually delete my Ubuntu partition?

Can anyone tell me how to delete Ubuntu from a Linux / Windows dual boot system without harming Windows? I ran sudo fdisk /dev/sda in a linux terminal and got the following output: /dev/sda1 - ...
18
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3answers
24k views

Using multiple USB webcams in Linux

Running more than one USB webcam in Debian/Linux results in the the following error: libv4l2: error turning on stream: No space left on device VIDIOC_STREAMON: No space left on device What ...
0
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1answer
690 views

Snort install issue on debian 6 with libpcre - libpcre library not found

I've read the manual on snort.org for installing snort on Debian but am still having an issue. Does anyone know how to resolve this? I've tried installing the libpcre3 amd libpcre3-dev packages by ...
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3answers
5k views

Watch Filesystem in Real Time on OS X and Ubuntu

I'm looking for a CLI tool which will watch a directory and spit out the names of files that change in real time. some_watch_command /path/to/some/folder | xargs some_callback I'm aware of inotify ...
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1answer
1k views

Improving wifi connections in linux

I have a new laptop now with Ubuntu installed. The wifi at the office is much spottier than it used to be in my old computer. (It sometimes fails to connect, and sometimes drops the connection.) I'm ...
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1answer
475 views

Linux, make shorcut keys and FN key always active

If I play full a screen game under Linux (Ubuntu 12.04 using GNOME Shell 3.4) I can not use some of my Fn keys, nor the GNOME Shell shortcuts. For example the Fn+volume, or brightness doesn't work, ...
3
votes
1answer
5k views

Cannot set wkhtmltopdf margins (top and bottom)

I am using wkhtmltopdf 0.10.0 rc2 on Ubuntu (Linux 3.2.0-24-generic #38-Ubuntu x86_64 GNU/Linux). The problem I'm experiencing is that I can't create PDFs with margin-top or margin-bottom. I'm not ...
2
votes
1answer
402 views

System-wide auto-complete word list syncing/integration?

I've been thinking that convenient auto-completion is my must-have feature of the text editors and word processors that I use. I wonder if anyone knows of a program or library that implements a ...
0
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0answers
201 views

Is this valid JFS partition?

My teacher gave my his laptop (with Fedora 16 on it) and compact flash card with data. He wants to have access to files on card, but he couldn't get access to it. The problem is Linux doesn't know ...
1
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1answer
138 views

Using the link command to keep backups on another drive

I have a folder that contains a not so large amount of space called /data/backup. I have been told that if I link that folder (/data/backup) to an even bigger folder area like /bigdata/backup for ...
1
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1answer
154 views

“Reroute” traffic using a Debian VPN server

I've set up a Debian VPN server, to which I connect with my iPhone. It works perfectly, I can browse the web, and see "local" pages. My question is, if it's possible to "reroute" traffic. Here's an ...
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2answers
1k views

Why does my MAC address reset after reconnecting?

I use Ubuntu 12. I'm changing my MAC address with ifconfig wlan0 hw ether xx:xx:xx:xx:xx:xx, which works. However when I restart my connection, my computer resets the MAC address to my original MAC ...
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2answers
700 views

In Linux, is it possible to get a listing of drives' disk space usage that also shows volume labels?

I know about df, of course, but df does not output volume labels. I have 5 USB hard drives plugged into my NAS box, and would love to know which is which. Current df output: Filesystem ...
0
votes
1answer
383 views

NAT works for Windows guests but not for Linux guests

I have just updated to VMPlayer 4.0.3 (from 4.0.1) on a Windows 7 host. All the various guests are configured for NAT networking and DHCP, and before the upgrade every OS could reach out the ...
7
votes
4answers
12k views

Linux Both Case Sensitive AND Case Insensitive and Always Inconvenient?

I'm using Ubuntu 10 and I'm quickly finding out that it's case sensitive when it's inconvenient for it to be so (like when autocompleting file paths with tab in terminal) but also case INsensitive ...
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2answers
92 views

Loading and running remote applications with Linux. Not ssh

I am wanting to load an application from a remote Linux pc and run it on the one that I am sitting at. My goal is different than just using telnet or ssh, because by doing that I would still be ...
0
votes
1answer
402 views

Problems with sound and flash in Ubuntu 12 [closed]

I'm having these problems: a) I can't have music playing and at the same time watch a video en youtube. If music is playing, flash is muted, and vice versa. b) Sound has too much bass. I partially ...
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1answer
2k views

Changing network computer name

I can't find a simple tutorial how to change my computer name under which is it visible on the network (Ubuntu 12.04). It's quite simple on Windows 7 but it looks like there's no such an option on ...
15
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1answer
28k views

How to disable Auto-Mute Mode?

In alsamixer, there is an option called "Auto-Mute Mode", and it's enabled by default. But now I want to disable it. I've tried different keys but failed. Any idea? 0_0
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votes
3answers
6k views

Rsync as another user (www-data)

I usually use a graphical SSH client to sync a local and remote directory. And I have to set the ownership of all the files from root to www-data. Can I do the same with Rsync, only that I do it as ...
3
votes
3answers
8k views

How to monitor bandwidth on a Linux router by LAN IP

There are plenty of ways to monitor traffic on a specific interface or even by port. But if I am on a router and suspect one of the workstations is using more bandwidth then others, how to check?
0
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1answer
373 views

“shell not found” on start of backtrack 5

I am using backtrack5 in VMware on my system. I was trying to change my default shell to ksh. After executing the 'chsh' command. On restarting the OS, it shows "Cannot execute ksh: no such file or ...
1
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1answer
541 views

How small can/should I make my partitions, on a dual boot with a shared middle drive?

My machine is currently split into 3 user partitions (plus however many Windows and Linux have decided to slyly create) Which are C: Windows 7, D: Data, and E(?): Ubuntu. I'm considering wiping my ...
2
votes
2answers
748 views

Is there a way to remove root requirements for a specific command in linux? If yes, how so?

I'm using Ubuntu 12.04 LTS, and I'm trying to make it so that the specific command dhclient doesn't require root privileges. I've done some research that leads me to believe I could unlock an "su" ...
2
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1answer
135 views

Linux “find -regex” doesn't handle binding

I have the following files, and need to match them like: ./foo.bar1.sh -match ./qux/foo.bar2.sh -match ./foo.sh -match ./baz.sh -no match ./foo.bar3 -no ...
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votes
3answers
604 views

vim is slow, even on console without X running

I'm using Arch Linux and I installed vim from the official repos. It runs OK, but when I have syntax and cursor highlight turned on, it is extremely slow. I already trying running only the 'core' ...
1
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1answer
267 views

How does cpu speed stepping effect the cpu usage percentages reported in (for example) htop?

How does cpu speed stepping effect the cpu usage percentages reported in (for example) htop? How about the normal top? So, if my cpu is stepped down to 800mhz with a full speed of 2ghz, does 5% used ...
1
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1answer
5k views

Ubuntu LiveCD/LiveUSB Default Login Credentials

I've just downloaded Ubuntu 12.04, created a USB startup drive, and booted. What is the default username and password for the live USB. Thanks.
2
votes
1answer
4k views

Unable to mount device on Linux (XFS)

I am unable to mount a device on my server due to error when mounting, the device is type XFS. The mount command returns message: "mount: structure needs cleaning" I've tried using xfs_check and it ...
0
votes
1answer
3k views

How do I configure fstab so that a partition can be used by different users simultaneously?

My intent is to set up a drive that any user can read to, write from, and execute on. Moreover, the users must be able to use the drive at the same time. I have my fstab entry set up like this: ...
1
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1answer
392 views

Java Applet Console

Can anyone tell me how to access the Java Applet Console in Chromium for Linux? I assumed there would be a Java application packaged with the JRE that would give me access through the command line, ...
1
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1answer
4k views

How can I install python-dev without sudo?

I am trying to install python package (scikits.learn) on my user directory (on a ubuntu server for which I don't have sudo permission) but I am getting error: Python.h: No such file or directory It ...
0
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0answers
106 views

App for text and image pop-up

Does anyone know any application for Linux which is simply for popping-up images and text on the screen, whereas interval/duration/position of the images/text are customizable?
2
votes
3answers
497 views

How to substitute multiple lines between delimiters

Given the text example: .... text ,.. {{{python string1 = 'abcde' string2 = '12345' print(string1[[1:3]]) print(string2[[:-1]]) }}} .... text ,.. The [[ and ]] also appear outside of {{{ too. ...
1
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3answers
665 views

Use sudo command for script SSH server

I have to do following steps on several servers: log in with my username type in sudo su - type in amCLI -l 32/1 | grep Firmware So I would like to write this all in one script, my idea was: ...
7
votes
1answer
6k views

Powering down external hard drive, flash drive, etc using the command line in Linux

I always thought that to safely remove a device that had been mounted was to use the umount command and until recently when I switched to Ubuntu 12.04 LTS, I noticed that there was the ability to ...
2
votes
1answer
295 views

Can tar be forced to exit on the first error?

By default, for many kinds of errors tar prints a message to stderr and then continues on its way -- the errors it calls "recoverable" errors, typically errors that relate to a single file or archive ...
0
votes
1answer
2k views

Fedora 17 keeps using fedora 16 kernel

I did run preupgrade to upgrade my Fedora 16(x64) to Fedora 17. And it seemed to work fine. So I got the new gimp 2.8, gcc 4.7.0 and so on. But the system keeps using the old kernel from fc16. Uname ...
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3answers
2k views

Output only “long pings” / Log connection interruptions

I'm on a connection that sometimes gets interrupted for a while, and I'm trying to determine exactly when using ping, which generates output like this: 64 bytes from 192.168.0.1: icmp_req=1196 ttl=64 ...
0
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1answer
1k views

Compare content of directories in Linux

In Linux, if I have two directories, how I can see the differences of content in these directories? Now I use this command: diff <(ls -d dir1/*) <(ls -d dir2/*) Any other idea?
0
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1answer
205 views

Openbox fails on login

X throws this error: Xsession: unable to launch "/usr/share/xsessions/openbox.xsession" Xsession --- "/usr/share/xsessions/openbox.xsession" not found; Falling back to default session. But a trip ...
1
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2answers
4k views

Software to control bass in sound?

I moved from Windows to Ubuntu, and now the music I hear with the headphones sounds with too much bass, like it is set to max. I looked into alsamixer and pulseaudio, but I can't control bass there. ...
5
votes
2answers
17k views

How do I clear all data in a MySQL database while maintaining the table structures?

Using MySQL CLI, how can I remove all data in a given MySQL database without changing any table's structures?