Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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1answer
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LVM Mirrored Logical Volume Performance

I read that when mirroring a logical volume a log of some sort is used to keep the files in sync. You can either set it so this log is in a separate physical volume or in memory. I also read that if ...
2
votes
1answer
201 views

Can't get pop down menus to do anything in KDE/QT application GUIs in Ubuntu (Gnome session)

I have a brand new install of Ubuntu 10.10 x64 in an attempt to solve the following problem from my previous 10.04 x86 install, but with the exact same problem persisting. When trying to run Amarok or ...
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votes
1answer
2k views

Filesystem type is ext2fs, partition type 0x83

I installed Ubuntu 10.04 (LTS) to a VPS server I'm renting and get this critical error when booting: Filesystem type is ext2fs, partition type 0x83 This prevents the rest of the boot process to ...
4
votes
1answer
363 views

Add applications to launcher

I recently installed Matlab in /usr/matlab. What do I do to make it appear in the application launcher on the top left of the taskbar?
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2answers
2k views

Why is screen seemingly doing nothing with commands passed with -X?

I've been trying to set up an automated backup system for a minecraft server, and I'm having trouble with screen, specifically when using 'screen -r sessionname -X "/var/minecraft/somebatchfile"', ...
6
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1answer
4k views

Can the focus of a Microsoft LifeCam HD-5000 be fixed at infinity under linux?

I have two Microsoft LifeCam HD-5000 webcams which I am using as a home security system with the Motion package for linux. One problem I have is that because these webcams have auto-focus, sometimes ...
2
votes
2answers
468 views

No output produced when using winFF

I am using winFF in Ubuntu 10.04. WinFF is a graphical frontend to ffmpeg. Typically, after selecting a file in WinFF, setting my conversion settings and pressing the "Convert" button, a console ...
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votes
3answers
438 views

Suspending my laptop breaks ethernet over firewire, are there commands which can fix it?

As mentioned in this question I am using a firewire cable to provide a private network between my laptop and my desktop, because it makes using the screen sharing program synergy much nicer than using ...
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4answers
2k views

Shell script error message

I am trying to learn shell scripting by reading linuxcommand.org. For some reason I keep getting the error "Not Found", even though it runs all the commands. The error codes I get are: ...
4
votes
3answers
309 views

Ubuntu: On a network with many clients there are two machines that can't access the web via a browser at the same time

Ok I'm pulling my hair out over this one. We have a wireless network with many clients all working well except two Ubuntu clients running 10.10 that can't access the internet via a browser at the same ...
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votes
5answers
3k views

Why do all my DNS queries resolve to 192.168.1.251?

All my queries on one machine on my network have suddenly started to resolve to 192.168.1.251. This machine was used as the DNS server by other machines, so I noticed it as soon as it started ...
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votes
4answers
7k views

FTP client with a good GUI?

I love linux because I get control over my system. But I do herald from the school of mac, where things are simple, beautiful, and powerful. I like it that way, as opposed to having lots of knobs and ...
3
votes
1answer
356 views

Graphical boot-up screen lost after upgrading the kernel

I used the Ubuntu 10.10 alternate install CD to install Maverick to an encrypted partition on a USB stick. This worked perfectly, but after the first cycle of updates that took the kernel from ...
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2answers
568 views

Removing abstraction from Ubuntu boot process

I have been using Linux after almost 5 years and observed that boot process has been almost abstracted. I mean, not much is visible to the user what is going on behind the scenes (Due to splash ...
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vote
2answers
456 views

How to stop Mod4-P from switching the display? [closed]

I use Ctrl-P very frequently to scroll backward in the command history, but I often mistype it as Mod4-P, which is bound to the switch display function. I've searched around Keyboard shortcuts and ...
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votes
2answers
8k views

How to avoid powering down certain USB devices when a machine is suspended

I'd like to maintain power supply to a USB-powered drive when the system goes into suspend (AKA S3 or "suspend-to-RAM") mode. Normally the power is cut while the machine is suspended, which causes it ...
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vote
1answer
1k views

USB Ubuntu with whole-disk encryption

Is it possible to create a single-user USB installation (with persistence) of Ubuntu Linux such that the entire USB stick is encrypted and requires a passphrase at boot time? Is there an online ...
3
votes
1answer
940 views

Under Ubuntu, how do I set a static IP for firewire?

I am using Ubuntu 10.10 on my laptop, which connects to our network wirelessly. Since it sits on my desk next to my desktop, I have a private network between the two using a firewire cable, because ...
4
votes
2answers
11k views

Install Ubuntu from a small USB stick

I'd like to install Ubuntu (Desktop or netbook edition, preferably latest version), onto a laptop using a small USB stick. (480 MB free space.) How can I do this?
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0answers
926 views

power management of USB-enclosed hard drives [closed]

With a typical USB hard drive enclosure, is the full range of drive power management functionality available? edit: moved this into a separate question: In what may be an unrelated matter: is it ...
7
votes
1answer
1k views

wubi pros and cons

Do you have experience using Wubi and if so, what are the major pros and cons ? I am of course particularly interested in potential problems.
8
votes
4answers
891 views

A small challenge to familiarize myself with Linux [closed]

I would like to learn more about Linux. I briefly went through a few books and quite a few articles online, but the only way to learn something is to actually start using it. I would like to jump in ...
5
votes
2answers
773 views

What's up with this 'gnome' package?

I have recently grown tired of the way Rhythmbox starts up every time I plug in my MP3 player. I know I could simply disable this, but I've decided to uninstall Rhythmbox instead. It's such a ...
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0answers
236 views

Disk space disappearing [duplicate]

Possible Duplicate: How to understand what's taking up space? Hi, I am using Ubuntu 10.10. I have 40G of disk space in my partition /home and have used up 10 G of it, so I should have ...
8
votes
2answers
1k views

Kernel Panic because of RAM stick?

one of my RAM sticks causes a Kernel Panic on my Ubuntu 10.10 (something like "not syncing" with a lot of memory adresses shown on screen). It's definitely this one RAM stick and not its socket ...
4
votes
1answer
576 views

Setting processor fan to 100%

How can I set fans speed to 100% or more in linux ?
4
votes
1answer
378 views

Problems moving home partition

I was running low in disk space on my Linux box, Ubuntu 10.10 Desktop, (specifically on my /home partition) so I added another disk to it and I am trying to move the home partition into it. I am ...
3
votes
1answer
1k views

How to enter into BusyBox when booting?

I have occasionally installed cloud-init package in Ubuntu, which blocks me from booting. Neither recovery mode works. Because cloud-init installed some upstart job configuration. So I want to enter ...
5
votes
1answer
1k views

No core dump on Ubuntu on a Parallels shared folder

I have an application that I'm working on, and I'm having trouble getting a core dump when it segfaults. In fact, I'm having trouble getting real core dump files at all. A simple test case will ...
1
vote
1answer
358 views

Guest Additions in VirtualBox

I'm setting up a development server with VirtualBox. I've installed Ubuntu 10.10 Server. I want to use filesharing to setup the files that I need to develop on but it seems that the CD drive is not ...
8
votes
2answers
804 views

View Script Over SSH?

A friend, using a remote machine, SSHed to my machine and ran the following python script: while (1): ....print "hello world" (this script simply prints 'hello world' continuously). I am now ...
5
votes
1answer
769 views

`p` key doesn't work in X

Today I had to force-shutdown my machine after it froze during resume from suspend. Since the reboot, I've found that the p key doesn't work normally in X. It does work normally in the console. ...
3
votes
1answer
1k views

From Ubuntu 10.10, how do you connect to a Windows 7 share without a password setup?

I have: Ubuntu 10.10 Windows 7 in virtual box (let's call this vbox) Then another Windows 7 machine (let's call this remote) in the network When I'm on vbox and browse (\ip.of.remote) I'm able to ...
3
votes
1answer
1k views

Query DHCP server leases from Perl script

I have a Windows 2003 server and need to poll the DHCP lease information from it with a perl script that is running on a Ubuntu server. Then I need to analyze & store the information in a mysql ...
3
votes
2answers
2k views

Why can't Rhythmbox play most of the files from my mt-daap share?

I have the Firefly Media Server (mt-daap) set up on an Ubuntu 10.10 VM, and I Ubuntu 10.10 set up on my laptop. I am running Rhythmbox and using that to play the music files off the daap share. ...
4
votes
1answer
304 views

Grub error 21 unless both sd card and live-usb are present

I'm not sure exactly how my EEE PC got to this point, but I have Backtrack (an Ubuntu-based distro) on the SD card, and a few different Ubuntu LiveUSB distros on different USB memory sticks. If both ...
8
votes
1answer
3k views

How to get Nautilus to “Open with Archive Mounter”?

I see Ubuntu screenshots showing that one can right-click an ISO, and have an option to "Open with Archive Mount". How do I get that running elsewhere where it isn't default (Debian in my case)? This ...
3
votes
1answer
433 views

How to recover a missing file

I am running ubuntu and last week the system didn't let me alter files as if I had no write permissions. Then on reboot the system did a check of the system which took some time. Then everything went ...
11
votes
5answers
6k views

Screen turns on automatically (xset dpms force off)

I am using xset dpms force off to manually turn my screen off to save power. However, it turns back on after some time (20 - 40 seconds). Distro: Ubuntu-Lucid Graphics: Intel 4500 MHD ...
14
votes
4answers
460 views

What specific vulnerabilities am I creating by disabling the sudo password?

Here are some instructions on how to disable your sudo password. These carry the following warning If you disable the sudo password for your account, you will seriously compromise the security of ...
19
votes
5answers
8k views

What is the difference between ls and l?

I accidentally typed l instead of ls today and found that the command still printed a list of the files in my current directory. Trying l --help brings up the help file for ls suggesting that l is ...
3
votes
2answers
6k views

How to use iphone internet tethering via USB with Ubuntu 10.04

What are the steps to use iPhone 3G internet tethering via USB on Ubuntu 10.04? Is there software I need to install on Ubuntu for this? The tethering works fine on Windows.
5
votes
1answer
1k views

Ubuntu postfix installation error: trying to overwrite '/usr/sbin/validlocale', which is also in package libc-bin 0:2.10.1-0ubuntu18

I am trying to install Postfix on Ubuntu 10.04 using command sudo apt-get install postfix but there comes error as shown below: Preconfiguring packages ... (Reading database ... 164023 files and ...
4
votes
4answers
327 views

Good free intro to Ubuntu? [closed]

So a friend asked me if I knew of a good Ubuntu tutorial or book. I remembered one from a while ago: the Ubuntu Pocket Guide, but it turns out it's from 2008, so it's not really ideal any more. Are ...
6
votes
1answer
6k views

apt-get doesn't stop on Ctrl-c, what to do?

Occasionally I have connection problem with apt-get (typically because I use it behind a proxy and try to install/upgrade flash). I have been trying sending Ctrlc but it would not stop. I thought it ...
3
votes
1answer
670 views

How to have correct permissions of files from usb disks?

Does anyone have the following problem? I have an Ubuntu box at work and also one at home. I always copy folders/files to/from an usb disk to/from my boxes. I have to change permissions of ...
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votes
2answers
6k views

Add Apache to Ubuntu's startup

I'm currently learning the Linux environment, and decided to manually install the Apache server. For educational purposes, I've compiled it into: /server/apache The http.conf location is configured ...
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votes
2answers
8k views

How do I prevent GRUB from using/starting any graphical UI?

I have a problem with an older Laptop (Fujitsu Siemens LifeBook S6010, to be precise) and an Ubuntu (10.10, Xubuntu desktop) installation (fresh install). During installation the graphics hardware ...
5
votes
1answer
2k views

Top and bottom panels disappeared in Ubuntu 10.10 (Gnome)

For some reason my top and bottom panels have disappeared. I can't right-click and add a new panel either. I tried executing gnome-panel from the terminal, rebooting, but no luck. Any idea how to ...
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vote
2answers
722 views

“lshw -C disk” returns but prints nothing

I am using an ubuntu live cd to help me recover some data off of a hard drive. I used lshw -C disk to find out which device I need to copy, /dev/sda in this case. I am using ddrescue -n to try and ...