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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2answers
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Triggering an action when a specific volume is connected

I have a USB key that contains my keepass2 password database and I'd like to perform some actions when it is plugged into my computer, namely: Auto-mount it to some specific location When the ...
10
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6answers
25k views

Create a Bootable (UEFI GRUB) USB for Ubuntu & Windows 7 Install

I want to create a Bootable EFI USB to install Ubuntu & Windows 7 (maybe with utilities like PartedMagic). I did that using MultiSystem previously. However, I am using GPT and Windows install ...
10
votes
5answers
6k views

Vintage terminal for Ubuntu

So I have just been introduced to Cathode for OSX and I am completely fascinated by how classic it looks with it's 1970s retro style. Does anyone know of any programs/packages I can download to get my ...
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votes
4answers
8k views

How to get rid of the “scanning for btrfs file systems” at start-up?

After upgrading from Ubuntu 12.04 to Ubuntu 12.10, I get a message "scanning for btrfs file systems" at starting-up. I don't have any BTRFS filesystem. It delays the booting for about 15 seconds. How ...
10
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4answers
4k views

Spamassassin object method location problems after restart

After spamassassin was restarted by the daily cronjob this morning it's flooding syslog with the following errors: Feb 9 09:24:26 mail spamd[8766]: spamd: got connection over /var/run/spamd.socket ...
10
votes
2answers
726 views

Driver is sometimes loaded, sometimes not

I was assigned an Ubuntu desktop with some stuff already on it. I did not reformat it, but attached a mini-PCI wireless card over a PCI to mini-PCI adapter. I manually built the madwifi driver and ...
9
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4answers
70k views

mount.nfs: access denied by server while mounting on Ubuntu machines?

I am a linux newbie and I have a very basic question. I have three machines in production - machineA 10.66.136.129 machineB 10.66.138.181 machineC 10.66.138.183 and all those machines ...
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votes
5answers
13k views

Can't apply chmod to a file

I have a file on my HDD, cd /media/celebisait/5AC69788C6976355 There is my file called myFile.tar.gz. I do als -l, -rw------- 2 celebisait celebisait 1387745311 Jun 6 2013 myFile.tar.gz ...
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4answers
8k views

How to truely install a tar.gz file on Linux - how to manage manually-installed (or standalone) applications?

I see all these links explaining packages and .debs... I know that... and there are many kludges to get tar.gz files working (eg: update-alternatives for Java or manually dropping the file in ...
9
votes
4answers
7k views

/etc/rc.d vs /etc/init.d

Is ubuntu's /etc/init.d directory exactly equivalent (functionally) to what I presume to be the more standard /etc/rc.d/ (at least on arch)? Is there any particular reason canonical used init.d ...
9
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7answers
19k views

How do I work with GUI tools over a remote server?

I have an Ubuntu server running on EC2 (which I didn't install myself, just picked up an AMI). So far I'm using putty to work with it, but I am wondering how to work on it with GUI tools (I'm not ...
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4answers
2k views

Use #!/bin/sh or #!/bin/bash for Ubuntu-OSX compatibility and ease of use & POSIX

I know that I can use either as the first line of scripts to invoke the desired shell. Would #!/bin/sh be recommended if compatibility with all unix systems is an absolute requirement? In my case ...
9
votes
3answers
2k views

In awesome window manager, how can I make key bindings send keyboard events?

I don't think that title probably helps very much, but here's my issue: I'm using the awesome window manager and am trying to make my key bindings to be similar in flavor to OSX for special keys. ...
9
votes
5answers
795 views

What should I expect if I switch from Ubuntu to openSuse [closed]

As probably most of you I have been long using Ubuntu. I'm not an expert, but I have been using different distros until I settled with Ubuntu. I started using SuSE 5.x, Conectiva (that later became ...
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4answers
4k views

Migrating from Ubuntu to Debian

I'm a long term Ubuntu user who is considering migrating from Ubuntu to Debian (mainly because of Unity and the fact that my school has a Debian mirror). I haven't installed Debian on a system before. ...
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2answers
3k views

can packages marked Debian/Ubuntu be installed in Linux Mint as well?

I have been using Ubuntu 12.10 for some time now, and I kinda hate it. 12.04 was a lot better. While i can still revert to 12.04, I am thinking about trying out Linux Mint based on 12.10 (the Nadia ...
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4answers
23k views

How to find the IP address of a KVM Virtual Machine, that I can SSH into it?

I have follow this guide (Virtualization With KVM On Ubuntu 11.10) to setup my KVM (Virtual Machines Software) on my Ubuntu 11.10 Server. However, I didn't setup my VM's IP address when creating the ...
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3answers
3k views

How can I set that only root + a given user can shut down my pc?

If I'm using Ubuntu 11.04, how can I configure it such that that only two users can shut down/suspend/hibernate my PC: the root user and one regular user?
9
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3answers
5k views

How do I “merge” two text files?

I recently upgraded from Ubuntu 12.04 to 12.10 and at one point, it encountered an Apache config file conflict in apache2.conf. I didn't give me a merge option at that point, so I just rejected the ...
9
votes
2answers
5k views

Merging two internet connections from two network interfaces in order to obtain double speed

I have two network interfaces (one wired & one wireless). I have two internet accounts too (each 256 kBps; one from a modem that I use as wired connection & the other from a wireless network). ...
9
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2answers
9k 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 ...
8
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3answers
3k views

Why 'echo $0' gives different result for two different terminals?

I opened a terminal on Ubuntu using Ctrl+Alt+T and a different terminal by going to a directory and then right clicking and choosing "Open in Terminal". I did an echo $0 in both cases. In the ...
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5answers
6k views

How is sudo set to not change $HOME in Ubuntu and how to disable this behavior?

On Ubuntu 12.04, when I sudo -s the $HOME variable is not changed, so if my regular user is regularuser, the situation goes like this: $ cd $ pwd /home/regularuser $ sudo -s # cd # pwd ...
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2answers
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Recovering from 'grub rescue>' crash [closed]

Originally posted to AskUbuntu.com ... AskUbuntu has adopted a policy of closing questions about EOL (End Of Life) versions. There's a vocal contingent to remove them as well. To prevent ...
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4answers
970 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 ...
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6answers
7k views

Is there parallel wget? Something like fping but only for downloading?

I've found only puf (Parallel URL fetcher) but could to get it work with reading urls from file and something like puf < urls.txt does not work either. The operating system installed on the ...
8
votes
5answers
15k views

How to get back sudo on Ubuntu?

I have done this: sudo chown -R myname /usr/ and now I can't use the sudo command because of this error: sudo: must be setuid root And as I read this means that the owner of this file ...
8
votes
4answers
925 views

Understanding different Linux Distros

I'm having a little bit of confusion when understanding linux based OS's. When I download the newest version of Mint and Ubuntu, aren't they the "same" at their core (kernel)? It just seems that they ...
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2answers
3k views

Ubuntu vs Debian for server

What would be a better choice for a web server, Debian or Ubuntu? I mainly use Python & PostgreSQL with Nginx and sometimes PHP & MySQL. What are pros/cons of each?
8
votes
2answers
825 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 ...
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3answers
5k views

How do I make my disk unmap pending unreadable sectors

I have a disk with some pending unreadable sectors, according to smartd. What would be the easiest way to make the disk remap them and stop smartd from complaining? Today, I get two of these every ...
8
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2answers
3k views

How do I find the process generating a lot of network traffic?

My machine is generating a lot of network traffic, all from the same source port, with many different destinations (found this out by running iftop -P, and from my router's logs). How do I find the ...
8
votes
2answers
6k views

Restore /etc/ configuration files from the default

Is there a way to replace /etc configuration files from a package, overwriting my local changes? I've tried apt-get install --reinstall mypackage but it doesn't update the files. How can I do this?
8
votes
5answers
15k views

invalid SSL_version specified at /usr/share/perl5/IO/Socket/SSL.pm line 332

Since I upgraded my PC from (k)ubuntu 12.04 to 12.10 I receive this error message when trying to send an email using sendemail. Installing an older version of IO::Socket::SSL is not an option. I ...
8
votes
2answers
1k views

Should I use http or ftp links in apt sources.list

Should I use http or ftp links in /etc/apt/sources.list? What I mean is is using something like, deb ftp://ftp.debian.org/debian/ squeeze main contrib non-free deb-src ftp://ftp.debian.org/debian/ ...
8
votes
3answers
5k views

Why is my EC2 server's time off by ~10 seconds every day?

I have what I believe is a system file, /etc/cron.daily/ntpupdate which runs ntpdate ntp.ubuntu.com daily to sync with the network time. Every day it generates output very similar to this: ...
8
votes
5answers
13k views

Why is this network connection so slow?

I am having some problems with network performance speed on a Linux server running Ubuntu 9.10. Transfer speeds on all types of traffic are around 1.5MB/s on a 1000mbit/s wired ethernet connection. ...
8
votes
2answers
3k views

Evince fails to start because it cannot read .Xauthority

I'm logged in remotely over SSH with X forwarding to a machine running Ubuntu 10.04 (lucid). Most X11 applications (e.g. xterm, gnome-terminal) work fine. But Evince does not start. It seems unable to ...
8
votes
1answer
28k views

Booting linux from usb using EFI

I need to use a USB drive as an installation media for my Mint and Ubuntu. For that I have unetbootin to make the usb bootable. But my PC only supports EFI boot (while adding the boot device, I need ...
8
votes
2answers
1k views

CPU stuck at 99% for a few hours. Really need help figuring out logs

extract from syslog: CRON[pid]: (user) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin ...
8
votes
2answers
10k views

How to find out which X11 driver system is using?

How to find out which X11 driver system is using? For my chip openchrome is the best driver but I suspect that system is not using it. I just need at least 2D acceleration. How can I check? Here is ...
8
votes
4answers
27k views

How can I fsck a partition when the device reads as busy (but has been confirmed otherwise)?

I'm attempting to run fsck -p /dev/sda5 to repair errors on an ext4 partition, however the command outputs fsck from util-linux-ng 2.17.2 fsck.ext4: Device or resource busy while trying to open ...
8
votes
1answer
12k views

~/.xinitrc not being run

I am not able to run my ~/.xinitrc (~/.xsession) scripts when logging into my computer. I'm using Xubuntu 12.10 with vanilla lightgm as the login manager. Both these files have the right permission ...
8
votes
1answer
412 views

Finding the library versions a library was linked against

I have a library that was compiled on an unknown Ubuntu machine, And I'd like to determine what version of Ubuntu that machine had at the compile time. My idea was to try and find the versions of ...
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 ...
8
votes
1answer
11k views

How can I make this daemon/init run as a non root user?

I have an init script to kick off a daemon. The problem is it runs as root. I would like it to run as a user called "deploy". Ubuntu 12.04 #! /bin/sh # File: /etc/init.d/unicorn ### BEGIN INIT ...
8
votes
1answer
2k views

How do I use a font in .ttc format as the console font?

I rather dislike the available tty fonts and would rather use Menlo, which is what I use in OS X's Terminal. Menlo is in a .ttc format, but (from the contents of /usr/share/consolefonts) Linux seems ...
8
votes
3answers
31k views

How do I find out why cron is not running my jobs?

I'm using Ubuntu 14.04, and the cron daemon is running: # ps ax | grep cron 822 ? Ss 0:00 cron but it is not executing any jobs. I was previously getting entries in /var/log/syslog such ...
8
votes
3answers
481 views

What could cause the clock to jump by 5 minutes?

I have a (physical) box running a stripped down Ubuntu; every now and then (6 times in 3 months), the clock jumps backwards by exactly 300 seconds (+- 0.01 seconds; always exactly 300 seconds). It ...
8
votes
1answer
3k views

Using setkeycodes to map pressed and released to different “keys”

I have a keyboard that has a scroll wheel, but it doesn't work on Ubuntu and xev command doesn't show anything when moving it. But with the dmesg command I found this: When moving the scroll wheel ...