225
votes
6answers
57k views

How do I modify or disable the HUD's use of the Alt key?

A number of games, Emacs, and the terminal make extensive use of the Alt key. Can Unity be configured to respect this key, rather than launching the HUD with it?
19
votes
3answers
55k 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 ...
31
votes
4answers
45k 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?
49
votes
9answers
143k views

How to make a disk image and restore from it later?

I'm a new Linux user. I've reinstalled my Wubi from scratch at least ten times the last few weeks because while getting the system up and running (drivers, resolution, etc.) I've broken something (X, ...
7
votes
3answers
20k views

How to boot WUBI installed Ubuntu within Windows 8?

I have Windows 8 Release Customer Preview on my laptop. I tried to install Ubuntu on it with Ubuntu Windows installer (I have always used this to install, although that was on Windows 7), it installs ...
5
votes
1answer
274 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 ...
251
votes
16answers
324k views

How to add a directory to my path?

How do I add a directory to my $PATH in Ubuntu and make the changes permanent?
102
votes
12answers
109k views

How do I change fonts and adjust their size?

I've been finding fonts on the internet and installing them on my system. What's the easiest way to change my fonts? I would prefer an easy to use graphical way, but answers with command line ...
53
votes
5answers
153k views

How to manage users and groups?

Just switched from 10.04 to 11.10. I'm wondering about the limited options in the GUI for managing users and groups. Where is the old GUI to change groups, id's, etc. I know that I can do this from ...
28
votes
6answers
127k views

How to enable root login?

I would like to enable the root account on my Ubuntu installation. I realize the security implications of this.
20
votes
9answers
45k views

How do I repartition with GParted? [duplicate]

I wanted to create more space for Ubuntu on my hard disk in favor of my Windows partition. I booted the livecd and resized the NTFS partition to 100 GB. Then I wanted to resize my Ubuntu (ext4) ...
130
votes
9answers
182k views

How to run scripts on start up?

I was wondering how to run scripts when my computer starts up so I don't have to run scripts manually that I always run?
103
votes
7answers
49k 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 ...
40
votes
16answers
100k views

Blank screen after installing nvidia restricted driver

I've installed the current nvidia restricted driver and rebooted my machine and now I get a black or blank screen. How can I fix this?
36
votes
20answers
46k views

Basic Web Development IDE/Editor like Dreamweaver? [duplicate]

I've used Windows for many years, using Dreamweaver as my editor as it had a file tree which is based on a project (via Local, FTP or SFTP). I need a web development IDE with the following ...
17
votes
4answers
68k views

How do I remove the proprietary ATI drivers?

I've installed 11.10 and the proprietary ATI drivers using "additional drivers" The performance of my system is absolutely awful and it shouldn't be. I tried to remove the proprietary drivers using ...
32
votes
6answers
35k 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 ...
38
votes
3answers
53k views

Cannot install Ubuntu in VirtualBox due to “this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot” error

I was trying to install Ubuntu 12.04 in VirtualBox 4.2.12r84980. I see this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot But I am using a 64 bit Windows 8, and ...
47
votes
5answers
23k views

How do I upgrade to the development release (aka. Ubuntu+1)?

How do I upgrade to the unreleased version of Ubuntu for testing?
82
votes
18answers
46k 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 ...
66
votes
4answers
85k 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?
63
votes
9answers
105k 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 ...
50
votes
9answers
23k views

What is the difference between “gksudo nautilus” and “sudo nautilus”?

I've been using gksudo nautilus and sudo nautilus through Alt+F2. What's the difference? They look very similar!
27
votes
9answers
26k 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 ...
46
votes
14answers
38k 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?
33
votes
6answers
83k views

Wireless card Realtek RTL8723AE-BT is not recognized

I bought a new laptop with a RTL8723AE-BT wireless card, but it seems there is nothing that makes it work. Realtek usually makes drivers available for its card, but this specific one doesn't have a ...
20
votes
10answers
31k 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?
142
votes
19answers
34k 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 ...
226
votes
19answers
173k views

Flash video appears blue

The Problem After updating to Ubuntu 12.04 from Ubuntu 11.10, all video is still blue, whether playing in a browser or a player. Same problem occurs in 11.10 as well. I have tried to uninstall all ...
87
votes
12answers
237k views

How to install Eclipse?

I want to install the latest version of Eclipse but the Ubuntu Software Centre contains an older version. Is there a PPA or some other way to install latest Eclipse? Please describe the steps for ...
64
votes
6answers
129k 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?
79
votes
18answers
16k views

Why is it bad to login as root?

I've often come across posts on forums or other websites where you see people joking in such a manner about running/logging in as root as if it's something awful and everyone ought to know about it. ...
80
votes
8answers
52k views

Am I using Unity or Unity 2D?

Unity and Unity 2D look very much alike, so how can new users easily find out whether they are running Unity or Unity 2D?
21
votes
6answers
234k views

Fixing GRUB error: “error: unknown filesystem” [duplicate]

When booting into Ubuntu, I'm getting the following error with a grub rescue shell following it: Error: unknown filesystem. grub rescue> I'm not exactly sure what I did. I believe I installed ...
268
votes
7answers
287k views

How to enable or disable services?

I read about how to enable and disable services in Ubuntu and it seems that there are different possibilities to manage them. The first method I found is update-rc.d to add new services to startup, ...
47
votes
7answers
55k views

How to automount NTFS partitions ?

I have two NTFS partitions, and I don't want to mount them everytime I start Ubuntu. How can I do this ? Is there a tool or a code to use? If so, is it safe to automount? specially when they are ...
52
votes
3answers
130k views

How to control fan speed?

How can I control fan speed? On windows there is wonderful program called speedfan.
44
votes
5answers
120k 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)? ...
22
votes
3answers
80k 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?
17
votes
0answers
13k views

How do I resize my current ubuntu partition? [duplicate]

I've got Ubuntu 10.10 installed to use my whole hard-disk, but would like to use the 130GB of free space I've got to create a new partition and do some development on Unity and Natty. Can I use ...
101
votes
3answers
70k views

How do I enable or disable Apport?

The system crash dialog is annoying me, how can I turn it off? I'd also like to know how to turn it back on just in case I need it to report a problem.
95
votes
4answers
36k 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 ...
26
votes
3answers
38k 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
2answers
11k views

I can't boot into a usable system after updates. What should I do?

Due to updates, my machine can no longer boot properly. I am no Ubuntu guru. I do not have a week to spare diagnosing the issue. I just want to retrieve important data from this machine's hard drive ...
110
votes
13answers
75k views

How do I optimize the OS for SSDs?

What steps should be taken before/during/after installation of Ubuntu on a Solid State Drive to optimize performance and ensure maximum durability of the drive?
59
votes
10answers
79k views

Desktop does not show when I installed nvidia drivers!

The desktop does not show after I installed nvidia experimental drivers. I tried nvidia simple proprietary drivers, and they did not work either. Here is how it looks. This is not cropped or any ...
26
votes
9answers
82k 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 ...
20
votes
2answers
11k views

Where to place my local website starting with the 2.4.7 version of apache2?

I recently installed Ubuntu 14.04, then I installed lamp-server and placed my webpages in /var/www directory, but when I opened localhost in the browser there was nothing. I think that happened ...
32
votes
0answers
11k views

How do I switch to the Classic GNOME Desktop? [duplicate]

Possible Duplicate: How to revert to GNOME Classic? How can I setup the Natty Classic Desktop to be "really" classic? I want to have the menus in the application window and I want to have ...
88
votes
12answers
75k 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!

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