12
votes
12answers
85k views

Not booting from USB or CD (SYSLINUX Message)

I am trying to install linux on my laptop, a Toshiba Satellite C6550-S5200. I did it once but something happened so I removed it then I had to destroy all data on hard drive so now I have nothing on ...
25
votes
2answers
164k views

How do I enable hardware virtualization technology (VT-x) for use in Virtualbox?

So I am trying to run Ubuntu in a virtualbox but on installing 12.10 from the .iso I was greeted by a warning telling me that audio wouldn't work then I pressed next and this popped up: Failed to ...
96
votes
6answers
158k views

How do I install the Cinnamon Desktop?

I have read that there is a new Gnome-2 like interface called Cinnamon produced by the Linux Mint developers. Is this available for Ubuntu users - and if so how do I install it?
105
votes
4answers
52k views

What is different about the Mac ISO image?

http://cdimage.ubuntu.com/releases/11.04/release/ At that location there is an ISO image which is described as "This image is adjusted to work properly on Mac systems." What specific problems on the ...
7
votes
1answer
659 views

How do I submit a full bug report with crash dump and steps to reproduce?

I have found a reproducable crash bug in xserver-xephyr. When I run the following command: apport-bug /var/crash/_usr_bin_Xephyr.1000.crash it sends a whoopsie report and does not ask me for any ...
154
votes
2answers
175k views

How to enable TRIM?

I know that the Linux kernel supports TRIM as of version 2.6.33, so there should be TRIM support in ubuntu. Is TRIM enabled by default or do I need to change some settings or install additional ...
124
votes
18answers
93k views

How do I create a desktop wallpaper slideshow?

How do I create a desktop wallpaper slideshow with my own set of images? With the images coming from a pictures folder, or pre-selected With the images displayed in order, or randomly With the ...
69
votes
10answers
456k views

How do I run .sh files?

Whenever I open a .sh file, it opens it in gedit instead of the terminal. I can't find any option similar to Right Click → Open With → Other Application... → Terminal. How do I open this file in the ...
53
votes
9answers
6k views

Which computers are guaranteed to work? [closed]

Before I buy my next laptop, I'd like to make sure that it will work perfectly with Ubuntu. Is there a list of completely supported computers anywhere?
29
votes
10answers
71k views

Radeon HD 2000, 3000, 4000 on Ubuntu 12.04.2 and higher: fglrx (legacy) unsupported, what to do?

After upgrading to 12.10 quantal, the packaged version of fglrx no longer works. I discovered that this is because there is a separate 'legacy' fglrx driver for the HD 2k-4k series cards, but it is ...
33
votes
3answers
104k views

How do I fix a “Failed to download package files” error?

After I installed Ubuntu , I cannot update any software with the error message "failed to download package files". After having googled, I have tried: sudo apt-get update sudo apt-get upgrade ...
22
votes
2answers
2k views

How do I install software using the Ubuntu Software Center?

The title says it all. I'd like to know how I can install software - an example is the Chromium web browser.
54
votes
3answers
226k views

How can I uninstall a nvidia driver completely ?

As expected, Nvidia drivers have reduced my customizations. I can't login to Unity 3D session. I can't find any content to help me to uninstall the driver and I don't know what to do as I have never ...
79
votes
9answers
142k views

How can you remove Unity?

In previous versions of Netbook Remix I was able to disable the netbook-launcher and just have a blank desktop. I liked the speed of the Netbook version but not the interface, this worked well for ...
107
votes
6answers
100k views

How can I configure Unity's launcher auto-hide behavior?

This has been an issue for me with Unity since its release. I'd like to make the the launcher auto-hide. Especially on Netbooks, where screens are small, the launcher is quite wide, making it ...
34
votes
9answers
122k views

'apt-get' does not work with Proxy

For the command sudo apt-get update I get following error: W: Failed to fetch http://ch.archive.ubuntu.com/ubuntu/dists/maverick-updates/multiverse/binary-i386/Packages.gz 407 Proxy ...
267
votes
20answers
106k views

How to create a screencast?

How can I create a screencast on Ubuntu? The app I'm looking for has ideally all of these features: Can record in a format that can be played back easily on any platform and/or accepted by youtube ...
215
votes
7answers
444k views

What is the correct way to completely remove an application?

I've searched the net for such information and found different command lines, like these ones: sudo apt-get remove application sudo apt-get remove application* sudo apt-get remove --purge ...
27
votes
10answers
56k views

How to read ext4 partitions in Windows? [closed]

I have two questions on ext4: Is there currently a way to mount an ext4 partition in Windows (XP/Vista/7) to get basic read support? If not, are there any plans to support this someday?
43
votes
5answers
86k views

How do I install Ubuntu-Tweak?

I have heard a lot about Ubuntu-Tweak and how it is great for power users, but I don't know how to install it. How do I do that?
548
votes
6answers
1.4m views

How do I install a .deb file via the command line?

How do I install a .deb file via the command line?
125
votes
7answers
193k views

How do I change my username?

Some time ago when I installed Ubuntu I chose a rather stupid username for my account that I do not want to use anymore. How do I change this (including the name of my home directory, and the name ...
91
votes
6answers
196k views

What happened to the ia32-libs package?

The ia32-libs package is no longer present in Ubuntu 12.04 repositories for a 64bit system. Are there any available replacement packages available for download?
59
votes
14answers
53k views

How do I change the wallpaper of the login screen?

I would like to set the wallpaper in the login screen (Unity Greeter), how do I do that?
47
votes
17answers
29k views

What is the difference between Ubuntu and its derivatives?

What different Ubuntu derivatives are there? And what is special with them?
29
votes
6answers
379k views

How to fix "error: unknown filesystem. grub rescue> [duplicate]

I get this error: Error: unknown filesystem. grub rescue> I'm not exactly sure what I did. I believe I installed Ubuntu over Windows on my Acer netbook. I then tried to install Linux Mint, but ...
75
votes
6answers
104k views

How do I add a swap partition after system installation?

I did not opt for a swap partition during Ubuntu installation. Later I freed up some space, and made a swap partition. Now after booting up I am manually opening gparted and right-clicking the swap ...
178
votes
6answers
81k views

How do I find the package that provides a file?

Simple enough question: is there some shell command (or GUI method) I can use that, given the path to a file on my system, tells me what package put it there? Assuming the file did in fact come from a ...
81
votes
6answers
7k views

How to get my software into Ubuntu?

As a developer of free software, I want to get my application into Ubuntu. Should I provide a source tarball and ask for packaging? Or should I create a package myself? Should I target Ubuntu ...
46
votes
7answers
54k views

Dash search gives no result

I just upgraded my Ubuntu 11.10 (x86) to Ubuntu 12.04 (x86). The upgrade completed without any errors. Since then, I am unable to access any of the applications in the Dash. The Dash seems to be ...
56
votes
3answers
95k views

How do I add a kernel boot parameter?

I need to add the boot parameter foo=bar to my kernel. How can I do this once for testing, and permanently if testing was a success?
11
votes
1answer
23k views

How to install Broadcom wireless drivers offline

I have installed Ubuntu alongside Windows 8.1. But the wifi is not working in ubuntu (perhaps the drivers are not present), which worked fine in windows. Also I cant connect with ethernet since my ...
128
votes
12answers
152k views

How can I set up password-less SSH login?

I want to be able to login to a remote via ssh without having to enter the password all the time. How do I set it up? Is a different command required to execute a password-less session?
75
votes
7answers
81k views

My /boot partition hit 100% and now I can't upgrade. Can't remove old kernels to make room

My first issue was when i tried to apt-get update/upgrade. On upgrade I get the following error: You might want to run 'apt-get -f install' to correct these. The following packages have unmet ...
135
votes
12answers
108k views

How do I disable the guest session?

How do I disable the guest session in Ubuntu 11.10 or higher? I don't want people to be able to use my computer without using a password to log in!
67
votes
5answers
136k views

Running programs in the background from terminal

How do I run a program in the background of a shell, with the ability to close the shell while leaving the program running? Lets say my UI is having problems or for some reason, I need to boot up a ...
59
votes
6answers
120k views

Getting MTP enabled devices to work with Ubuntu?

Since Ubuntu 13.04 storage access to external devices via MTP is supposed to work out of the box via a GVFS-MTP module. While this question is about the Galaxy Nexus, other Android devices as ...
43
votes
3answers
155k views

How to create UEFI-only bootable USB live media?

Having live media that can boot both ways can be a problem when installing Ubuntu onto currently available Windows 8 computers. In other words the key advantage to creating UEFI-only bootable USB ...
67
votes
5answers
34k views

When using sudo with redirection, I get 'permission denied'

When using sudo to allow edits to files, I regularly get 'permission denied'. For example, my mouse is jittery and sluggish, so I want to disable polling: sudo echo "options drm_kms_helper ...
25
votes
3answers
104k views

Can I install Ubuntu inside Windows?

Ubuntu 12.04 won't come with the Windows Installer (Wubi) pre-added. But is there any way to install 12.04 using Wubi?
26
votes
4answers
17k views

dpkg error: “trying to overwrite file, which is also in…”

For example: $ sudo apt-get install curl Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The ...
156
votes
18answers
130k views

I have 16GB RAM. Do I need 32GB swap?

I read many places that the rule of thumb for swap space is to double the amount of physical RAM. However, 32 GB does seem a LOT. Do I need that much? Do I need it at all with this high amount of ...
106
votes
20answers
101k views

Brightness is reset to Maximum on every Restart

The brightness of my laptop is reset to Max on every restart. I tried the solution provided at this website but had no luck. ...
142
votes
8answers
255k views

How do I create a permanent Bash alias?

I would like to create an alias to rm command in order to have a confirmation message after executing this command. So I am creating an alias like this alias rm='rm -i'. But as far as I know this is a ...
115
votes
7answers
65k views

How do I enable or disable the global application menu?

I'm fairly excited for Unity, as it looks like a promising new direction for Ubuntu. However, I do have a concern - will it be possible to use Unity without the global menu? I have my window manager ...
64
votes
6answers
175k views

How do I change the default session for when using auto-logins?

When autologon is active, lightdm will start the Unity 3D session, not the 2D (or any other shell that I want to auto-login to). Is there a way to start the shell I want automatically (autologon)? ...
26
votes
5answers
93k views

How do you repair an “input/output error” in an NTFS partition?

I replaced a buggy Windows Vista installation with Ubuntu. All works fine except that the main HD where I had all my files are now inaccessible. Here is the error message I get: Error mounting: ...
28
votes
9answers
28k views

How do I configure the launcher to “dodge windows”?

I don't like the auto hide launcher for it is too annoying for me. The launcher stays hidden and to reveal it, the mouse pointer has to be moved to the default hot spot. I'd instead like to have the ...
22
votes
4answers
14k views

How do I remove Windows but keep Ubuntu?

I want to keep Ubuntu but remove Windows.
19
votes
3answers
26k views

Is the 64-Bit version of Ubuntu only compatible with AMD CPUs?

I was told that computers with more than 2 gig's memory need a 64 bit operating system to utilize all RAM. Is the 64bit Ubuntu download really JUST for AMD processors? I am asking because the disk ...

15 30 50 per page