32
votes
6answers
155k 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.
6
votes
10answers
36k 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 ...
115
votes
8answers
46k views

How do I install the latest stable version of Firefox?

I want to install the latest Firefox on my Ubuntu (64bit) box. What is the best way to do this? Is there a specific update site or should I download the binaries manually? If doing manually, in which ...
20
votes
5answers
117k views

Windows installer for Ubuntu 14.04 LTS onwards

Is there any windows installer(wubi) for Ubuntu 14.04 LTS? When I mount .iso file with daemon tools and run wibu.exe it just ask me if I want to reboot(I think it's usefull only when .iso burned on ...
21
votes
8answers
16k views

Can't boot without Flash Drive plugged in

I had Ubuntu 12.04 Beta installed on my computer. When 12.04 was finally released, I made a bootable USB Flash Drive using Startup Disk Creator. Then I decided to check if this drive works properly ...
53
votes
9answers
160k 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, ...
273
votes
15answers
361k 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?
238
votes
6answers
63k 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?
53
votes
8answers
25k 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!
21
votes
3answers
62k 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 ...
20
votes
9answers
47k 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) ...
33
votes
4answers
51k 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?
102
votes
12answers
255k 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 ...
127
votes
3answers
37k views

What's the right terminology for Unity's UI elements?

I've sent a few mails to the Ayatana mailing list regarding some UI suggestions for Unity, but I'm afraid I keep confusing the right terms for the UI element, so I would like to have some ...
86
votes
18answers
52k 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 ...
36
votes
20answers
50k 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 ...
47
votes
5answers
24k views

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

How do I upgrade to the unreleased version of Ubuntu for testing?
107
votes
12answers
124k 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 ...
69
votes
4answers
94k 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?
25
votes
8answers
64k views

How do I install applications in Ubuntu?

I am new to Ubuntu. How can I install applications like Google Chrome in Ubuntu? Are there any commands to install an application?
20
votes
10answers
33k 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?
7
votes
3answers
22k 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 ...
53
votes
5answers
165k 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 ...
74
votes
2answers
141k views

How to install Skype 4.3?

Skype 4.3 is just released with considerable improvements. As a regular Skype user I want to use the latest Skype on my Ubuntu 14.04, but there is no updates from Update Manager. Even in Skype website ...
64
votes
9answers
113k 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 ...
96
votes
4answers
41k 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 ...
44
votes
3answers
63k 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 ...
95
votes
6answers
28k views

How to understand the Ubuntu file system layout?

In Windows there’re perhaps only a couple of important folders (by important I mean important in my logical picture of the Windows file system) in the installation drive (in my case C:\). Namely ...
105
votes
7answers
52k 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 ...
47
votes
14answers
40k 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?
36
votes
6answers
39k 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 ...
21
votes
6answers
250k 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 ...
82
votes
18answers
19k 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. ...
34
votes
6answers
88k 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 ...
27
votes
9answers
27k 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 ...
294
votes
7answers
323k 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, ...
49
votes
7answers
58k 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 ...
30
votes
3answers
45k 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?
26
votes
9answers
88k 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 ...
158
votes
19answers
40k 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 ...
227
votes
19answers
176k 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 ...
56
votes
3answers
145k views

How to control fan speed?

How can I control fan speed? On windows there is wonderful program called speedfan.
67
votes
6answers
142k 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?
81
votes
8answers
53k 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
2answers
20k 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 ...
25
votes
4answers
129k views

How do I enable the “Universe” repository?

How do I get to Universe Repository of Ubuntu software as mentioned in Ubuntu 12.04 LTS? I am installing 12.04 Ubuntu. Please help.
31
votes
1answer
37k views

How do I boot into a root shell?

When booting to the graphical desktop fails we sometimes are recommended to boot into a "root shell" or to boot in "recovery mode". How do I do that?
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 ...
97
votes
12answers
81k 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!
107
votes
3answers
79k 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.

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