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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6
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4answers
943 views

What makes Ubuntu not totally Free Software?

I heard that Ubuntu is not completely free (as in Freedom). What are the specific parts of Ubuntu that are not Free?
6
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4answers
6k views

Ctrl+C does not work in gnome-terminal

On my Linux host, Ctrl+C does not seem to work and I do not know how to proceed to make it work. I am using Ubuntu 10.04 with bash 4.1.5(1), and working in Gnome-terminal. When I pressed Ctrl+C while ...
6
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3answers
26k views

Trying to SSH to local VM Ubuntu with putty

I have found similar questions in my searches here, but most of the answers are way above me at the moment, so here goes. I have set up a VM of Ubuntu server, have installed OpenSSH, and am now ...
6
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3answers
463 views

How does bash know how it is being invoked?

I've installed jailkit on Ubuntu 12.04 and I have set up a user's shell to /bin/bash - but when it is invoked it runs /etc/bash.bashrc instead of /etc/profile If you haven't used jailkit before ...
6
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3answers
2k views

How does one open a new window from the shell with a specific size and position?

For example, say I wanted to start gnome-terminal with it's northwest corner at 0,0, and make the window 736x434 pixels (apparently the default, which allows for an an 80-character by 24-character ...
6
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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 ...
6
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3answers
13k views

File in Ubuntu equivalent to /etc/inittab file in RedHat

I searched a lot but can't get any solution. My question is what file in Ubuntu is equivalent to /etc/inittab file in RedHat. In RedHat /etc/inittab file contains the setting related to runlevel in ...
6
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1answer
12k views

apt-get prompts for CDs when installing packages, how do I make it stop?

I used ubuntu linux before, and I installed debian OS on my labtop using DVDs that I burned. But when I'm trying to use apt-get to install software, the system always asks me to insert disk to ...
6
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2answers
820 views

Difference between /run and /var/run

Is there any difference between /run directory and var/run directory. It seems the latter is a link to the former. If the contents are one and the same what is the need for two directories?
6
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4answers
2k views

Tmux xclip copy no longer working

On mu ubuntu 12.04 setups my tmux clipboard copy and paste commands are setup as follows: set -g prefix M-a unbind C-b bind C-c run "tmux save-buffer - | xclip -i -sel clipboard" bind C-v run "tmux ...
6
votes
3answers
35k views

How to mount/recover data on a disk that was part of a mdadm raid 1 on another machine?

Some background The disk itself was "worked on" by a friend and is said to be still intact, undamaged and still mountable/recoverable The disk was part of a software raid 1 on Ubuntu 12.04 The other ...
6
votes
3answers
820 views

Terminal change keys

Is it possible in the Unix terminal to change some of the keyboard keys? For example: when I press , then _ gets printed? If this is indeed possible, how do I go about doing that? I'm on Ubuntu.
6
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4answers
8k 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 ...
6
votes
5answers
10k views

How do I update bash on EOL Ubuntu versions?

I.e. can I find a close enough package in the next nearest distro? Or is it complicated, and compiling from source is better? Or can I grab it from debian? (This question is about at least Ubuntu ...
6
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1answer
1k views

How can I force a Ubuntu kernel to fail mounting / and drop into the initramfs rescue shell?

I am trying to customize the initramfs rescue environment and would like to force the kernel to fail mounting / and drop into the (initramfs) rescue shell, as opposed to single user mode. How can I ...
6
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1answer
13k views

chmod: What does the `+a` parameter mean?

I was following a tutorial and it told me to run sudo chmod +a "SOME_PARAMS" some/dir I was surprised to see that fail telling me chmod: invalid mode: `+a' So I wonder: What does the +a mode ...
6
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1answer
10k views

What does the 'i8042.nomux=1' kernel option do during booting of Ubuntu?

I have a laptop with a multi guesture touchpad. My touchpad never works in any Linux distro such as Ubuntu, Fedora, openSUSE, Linux Mint, Knoppix, Puppy, Slitaz and lots more. I have tried lots of ...
6
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3answers
11k views

Cleaning log files under linux

I am using a kvm ubuntu 10.04 virtual machine to test some features of a kernel module. I grep through the /var/log files to observe the kernel messages about that module. To start from a clean ...
6
votes
1answer
2k views

Find a user's writable files and directories

How can I determine all files and folders that given user can write to? The user is nobody. Some script in bash or python, perhaps? I'm using Ubuntu 11.04
6
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3answers
2k views

Get diff changes between original files installed with apt and current files

I installed php5-fpm package using apt; then I made some changes to the PHP configuration files. Now I would get the diffs between the original files versions (the ones of the package installed) and ...
6
votes
1answer
23k views

Installing openjdk-7-jdk does not update java (which is still version 1.6)

I am having issues updating Java. I am running Ubuntu 11.10. I can execute sudo apt-get install openjdk-7-jdk and it completes successfully. javac -version is 1.7, however java -version is 1.6. This ...
6
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2answers
800 views

emacs does not see my fonts in gentoo

I copied my ~/.emacs file from ubuntu linux; I've installed Consolas font (and it works in gnome terminal, and as a default Monospace font); but Emacs does not see it (custom-set-faces '(default ((t ...
6
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3answers
7k views

How to copy-merge two directories?

I have two directories images and images2 with this structure in Linux: /images/ad /images/fe /images/foo ... and other 4000 folders and the other is like: /images2/ad /images2/fe ...
6
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3answers
263 views

Passwords for newly created users?

I am fairly new to Linux and I have question regarding users. When I use the useradd command I don't specify a password. I must use the passwd command afterwards. Does this mean that the user is ...
6
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1answer
875 views

Security of an encrypted (dm-crypt & LUKS) Ubuntu 12.04 installed by somebody else?

Suppose I want an Ubuntu setup (let it be 12.04) with full disk encryption. Ubuntu offers this as an option during installation. Suppose also that I have somebody (e.g. my vendor) else set this up ...
6
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3answers
12k views

'iwlist' -> interface doesn't support scanning (Ubuntu LTS 10.04)

I am using Ubuntu 10.04 (LTS) on a Samsung N150+ netbook. I cannot scan wifi networks using iwlist and I would like to do so. Here is the output from some tests: ...
6
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2answers
3k views

My .xsession and .xinitrc files are not executing

I have installed xmobar, xmonad on ubuntu 11.04. #!/bin/bash trayer --edge top --align right --SetDockType true --SetPartialStrut true \ --expand true --width 10 --transparent true --tint ...
6
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3answers
3k views

Send command to detached screen and get the output

I've been searching to find a way to send a command to a detached screen session. So far, so good. This is what I've come up with: $ screen -S test -p 0 -X stuff 'command\n' This command works as ...
6
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2answers
466 views

Nautilus special URIs

Where are these special URIs used in Nautilus defined in Ubuntu? recent:/// trash:/// x-nautilus-desktop:/// computer:/// burn:/// These can instantly open special locations in Nautilus by typing ...
6
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1answer
3k views

how to enable command history of shell

I am using ubuntu 13.04, in this the command history of the shell is getting erased on close. Can someone tell me how to prevent this from happening?
6
votes
1answer
552 views

HDD allocation fstab

In my PC running Ubuntu 12.04 LTS I have installed three SATA hard drives. Two of them are installed near a cooler. I want to physically switch two drives (one that is not near the fan should be moved ...
6
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2answers
488 views

A simple hierarchical task list (that lets you cross out tasks) for linux in the Ubuntu repositories?

I just spent way too much time looking for this. Treeline is very close, but it doesn't allow marking a task as done with a single key press. It's a powerful data organizer and one has to change ...
6
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2answers
3k 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
votes
1answer
9k views

start-stop-daemon not working as expected, no pid file was written

I'm trying to control a python based program (which doesn't detach itself from console) #!/bin/bash user=nobody pid=/var/run/xx.pid name=xx prog=/xx.py case $1 in start) ...
6
votes
2answers
576 views

How to automatically generate .desktop file?

There's a .deb software that doesn't have a .desktop file, I created that file. I want to create another package for that software, when the user installs it, I want the .desktop file to be generated ...
6
votes
2answers
213 views

du command show a slash after directories?

How to use du command show a slash after directories? For example: du -ab /root/test/php-5.4.8/ Result: 1781 /root/test/php-5.4.8/main/internal_functions.c.in 973596 ...
6
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2answers
4k views

How can I set up a remote port forward on port 80 to my localhost with the help of setcap?

I'd like to accept connections briefly for development when I'm NATed, and so I'm attempting to do this: $ ssh ubuntu@example.org -R 80:localhost:80 Which fails as I'm trying to bind a port that is ...
6
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1answer
7k views

Where are NetworkManager's WiFi settings stored?

I remember the days of playing with /etc/$WE/wpa_supplicant.conf to try and force a semi-secure network on a debian based system, but now on to xubuntu, I haven't needed to do any *.conf-ing in a ...
6
votes
1answer
679 views

Assistance wanted in removing the “No mail.” notification in MOTD for Ubuntu 10.10

How do I remove the No mail. notification on Ubuntu 10.10 Server? This occurs when I log in, and is located underneath the message of the day I have a separate script which uses a different messaging ...
6
votes
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 ...
6
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3answers
2k views

Why won't my xmodmap command run on startup/login?

I want to run this command every time I log in (or every time I start up, if that doesn't work): xmodmap -e 'keysym Delete = Menu' -e 'keysym Menu = Delete' I've tried many things. I put the command ...
6
votes
2answers
180 views

Run Ubuntu Security Updates every Saturday only

A clients wants to enable automatic security updates on their 12.04 box, but it has to be once per week, on saturday only. (Why I don't know) When I do dpkg-reconfigure -plow unattended-upgrades it's ...
6
votes
1answer
109 views

Not able to see the progression of a file with “tail -f”!

It's a surprise why now this command isn't working which earlier was. See I've the below command to run for backup. ubuntu@ubuntu:~$ sudo tar -cvf /media/ubuntu/My*Linux/ub*data/zebra.tar ...
6
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1answer
842 views

USB 2.0 device is not working in USB 3.0 ports

I have a Ubuntu 12.04 system. On that system I have one USB 3.0 port. In this port I am trying use my USB 2.0 device, but every time when I plug in that USB 2.0 device into the USB 3.0 port, the ...
6
votes
3answers
4k views

A Web ssh/telnet client

I'm in kind of a tight spot right now. I wanted to know if someone has seen a HTML, or PHP web ssh client as both my company and school block everything besides port 80. I'm a control freak when it ...
6
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1answer
6k views

Can't install lsb-core on Ubuntu Server 11.10

I'm attempting to install lsb-core on an Ubuntu server. Did apt-get update then did apt-get install lsb-core root@quackwall:~# apt-get install lsb-core Reading package lists... Done Building ...
6
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2answers
350 views

Copy a long single-line text from a terminal with undesired change-line

locate ... | less outputs a long path, which is shown as several lines in the terminal, although it is actually a single line. I copy the path from the terminal by selecting the text with mouse and ...
6
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3answers
14k views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running eclipse on ubuntu

I was trying to open eclipse in my ubuntu VM with the below commmand.. And as soon as I do that, I always get the below exception - ubuntu@username-dyn-vm1-48493:~$ eclipse Eclipse: An error has ...
6
votes
2answers
552 views

How to replicate a currently installed Linux system as an installation CD?

I have an installation of Ubuntu 13.04 which I have customized to be just the way I want it (default applications, user accounts, desktop environment settings, ...). Now, I want to be able to ...
6
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1answer
728 views

Automatically apply module patch and compile kernel when updated?

I've recently applied a one-line patch to drivers/bluetooth/btusb.c in order to enable compatibility with my Bluetooth device. However, whenever I get a kernel upgrade, the patch will be lost until ...