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 ...
80
votes
3answers
49k views

How to use Alt+Shift to switch keyboard layouts?

I recently upgraded to Ubuntu 13.10, with the new keyboard handling system. The little "switch keyboard" option does not let me set it to Alt+Shift. How can I get this keyboard binding, as I have ...
25
votes
8answers
56k 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?
29
votes
1answer
33k 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?
19
votes
6answers
5k views

How can I check the integrity of a downloaded Ubuntu CD?

I've just downloaded a CD image of Ubuntu. I know the installer has a check CD option, but how can I check that the image is good before burning it to CD?
22
votes
2answers
1k 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.
28
votes
2answers
67k views

What does Package <package> has no installation candidate mean?

What does the above Error mean? What is an installation candidate? I was trying to do sudo apt-get install munin-memcached and I get this message: Reading package lists... Done Building ...
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 ...
5
votes
6answers
11k views

Permission denied, are you root?

I get this error whenever I try to install programs using the terminal: home@ubuntu:~$ apt-get install myunity E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable ...
59
votes
12answers
83k views

How do I disable X at boot time so that the system boots in text mode?

Is it possible to disable X at boot time? I'm setting up a server so it would be nice if it wouldn't load the graphical interface every time I boot.
44
votes
8answers
94k views

Can't install ATI proprietary drivers in 12.10

I have a laptop with ATI Radeon 6770M HD Hybrid graphics card. In Ubuntu 12.04, I installed the fglrx driver through "additional drivers" and it worked. (I can even switch GPUs). But in the new Ubuntu ...
55
votes
6answers
193k views

Where is the X.org config file? How do I configure X there?

As Ubuntu 10.10 seems to neither detect my graphics card (Intel 82852/855GM) automatically nor use the corresponding Intel driver even after manually installing it, I am looking into manually ...
45
votes
10answers
34k views

Desktop doesn't remember brightness settings after a reboot

Every time I reboot my machine the brightness goes back to 100% in Gnome. I wish it would keep the last setting. Is there anyway?
1
vote
2answers
7k views

How to install with Wubi when it says “Could not retrieve the required disk image files”?

I tried to install Ubuntu 12.10 with the Wubi installer while running Windows, because my PC does not accept my BootCD as a bootable medium. But Wubi showed me this error: ...
162
votes
36answers
126k views

What lenses for Unity are available?

This question is present as a matter of historical interest. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on ...
79
votes
29answers
229k views

How do I download a YouTube video?

For a school project I need to download three youtube videos and save them to a CD. I am running Ubuntu 10.10; can anybody provide instructions on how to do this? I'm fairly new to Ubuntu so the more ...
67
votes
6answers
49k views

How do I access and enable more icons to be in the system tray?

So I'm messing around with Natty a little, and I noticed that all the apps that would normally use the system tray (or "notification area"?) aren't displaying there. Is that a bug, or is that the way ...
46
votes
5answers
66k 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 ...
36
votes
6answers
66k views

How do I get my Mac to boot from an Ubuntu USB key?

If you select "USB" and "Mac" on this download page, it gives a series of command line instructions to make a USB key which the MacBook will boot into Ubuntu from. I've followed them to the letter ...
23
votes
4answers
117k 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.
3
votes
0answers
2k views

How do I fix “malformed line” errors in sources.list? [duplicate]

Possible Duplicate: How do I remove a malformed line from my sources.list? I had problems with my movie player. The sound was fine but the picture seemed to hesitate or stick or pause ...
123
votes
2answers
138k 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 ...
63
votes
3answers
20k views

Can auto-hide for the application menu be turned off in Unity?

Will there be a way to disable auto-hide behavior of global application menu in Unity. While I would prefer to have this behavior disabled by default (as it is bad UX), it looks like it's here to ...
21
votes
9answers
146k views

How do I run .sh files in Terminal?

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 ...
16
votes
5answers
31k views

Windows 8 removes Grub as default boot manager

I have a Sony VAIO S series with Windows 8 preinstalled, and I installed Ubuntu 12.10 on a new partition. When the PC boots Grub is display, and I can choose between Windows 8 (didn't worked at the ...
61
votes
8answers
31k views

How do I run executable scripts in Nautilus?

When I double-click on a script in Nautilus to run it, the script just opens in my text editor with no option to run it. Using Nautilus, how do I run executable text files and/or scripts?
33
votes
7answers
13k views

At what time will the upcoming Ubuntu release be made available?

Every six months a new Ubuntu version will be released. Does anyone know at which time this will be?
21
votes
8answers
57k views

How to find out root password for installing software

I'm trying to install the NetBeans IDE in my Ubuntu and in the process it's asking for my root password which I don't remember. I know my sudo user password. How can I recover my root password?
145
votes
14answers
108k views

How to pin Eclipse to the Unity launcher?

How can I pin eclipse indigo 3.7 I have 'installed' at /opt/ to the taskbar? I have tried launching eclipse and right-clicking to choose the 'keep in launcher' option. But when I click that icon, ...
92
votes
6answers
16k views

Best way to cache apt downloads on a LAN?

I have multiple Ubuntu machines at home and a pretty slow internet connection, and sometimes multiple machines need to be updated at once (especially during new Ubuntu releases.) Is there a way where ...
105
votes
10answers
78k views

How can I reduce or increase the number of workspaces in Unity?

I was reading about how to get multiple workspaces in the mutter version of Unity, however since Compiz is replacing Mutter how do I go about adding and removing workspaces in Compiz version of Unity? ...
75
votes
9answers
29k views

How do I remove a website from Ubuntu's web applications?

I thought I would try out the new webapps ppa and everything seems to be working fine. However, google reader now floods my messaging menu with all my feeds and turns the icon blue. How can I remove a ...
11
votes
4answers
11k views

Why does my laptop with AMD Radeon HD 76xx graphics get overheated when using Ubuntu?

I bought a new laptop which came pre-installed with Windows 7. I love working on Ubuntu and hence installed 12.04 on my laptop. I can work on Windows for 6 hours at a stretch and feel the laptop being ...
44
votes
0answers
83k views

How to safely upgrade from an older Ubuntu version to a newer one? [duplicate]

How can I safely upgrade an Ubuntu installation from one release to another? What should I do before upgrading to ensure it goes smoothly, and is there any clean-up I need to do afterwards? In ...
56
votes
16answers
63k views

How do I free up disk space?

My Ubuntu cloud server has left only 900MB of disk space. I'll just empty the directory /tmp and wondering if there is any other location to clean up.
68
votes
11answers
10k views

What's the easiest way to set up a LAMP stack?

I set up a new VPS instance of Ubuntu and am wondering what the easiest way is to get up and running with a basic LAMP stack (i.e. which packages are required, which configuration options need to be ...
60
votes
8answers
4k 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 ...
37
votes
5answers
49k 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 ...
61
votes
3answers
89k 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 ...
36
votes
2answers
4k views

Why user should never use normal sudo to start graphical application?

I've read the comunity "RootSudo" documentation and am interested in this line: You should never use normal sudo to start graphical applications as Root. Why? What is the difference? Please ...
26
votes
2answers
15k views

How do I change to a theme not listed in the Appearance screen?

I just upgraded to 11.10 for better or worse. When I launch "Appearance" I see only Ambiance/Radiance themes available In /usr/share/themes and ~/.themes there are other themes that aren't listed, ...
3
votes
0answers
2k views

Software center not opening [duplicate]

Possible Duplicate: Software Center empty “No usefulness from server” “no username in config file” I can't open the software center. Is there anything I can do to get it to start? $ ...
105
votes
18answers
60k 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 ...
28
votes
2answers
21k views

Is there a program to mount all of my drives automatically?

Sometimes when I restart my computer, my drives will mount but sometimes they won't (like right now when I'm typing this question out). Is there an easy way, like a program that can mount them for ...
29
votes
2answers
39k views

How do I use the gconf editor?

I see some answers where people post to set a key in the gconf-editor, however there is no entry for gconf-editor in my menu. How do I run it and how do I use it to set keys that people recommend?
22
votes
1answer
1k views

How do I subscribe to a bug?

Sometimes people tell me to subscribe to a Launchpad bug so I can follow along it's progress, how do I do this?
48
votes
3answers
28k views

Why is gksu no longer installed by default?

I have always recommended pressing ALT+F2 and typing for example gksu nautilus or gksudo nautilus both are equivalent; to run graphical programs with root privileges. However, I have just installed ...
41
votes
6answers
57k views

How can I change or install screensavers?

I want to change the default screen saver in Ubuntu 11.10/12.04. On 11.04 I just did a sudo apt-get install xscreensaver-data-extra xscreensaver-screensaver-bsod And then I could change it in the ...
15
votes
0answers
127k views

What are the minimum system requirements for 12.04 LTS? [duplicate]

Possible Duplicate: What are the system requirements for each flavor of Ubuntu Desktop? I have a 2nd generation core i3 processor (2.30 GHz). It was preloaded with 64-bit Windows 7. It ran ...
136
votes
2answers
165k views

How do I install latest PHP in supported Ubuntu versions (like 5.4.x in Ubuntu 12.04)?

I am trying to update to php 5.4 in Ubuntu 12.04, and I can only get 5.3.6 using official repositories (using apt-get). I'm not really sure how to do a manual update – I'm sorta new to ubuntu, but I ...

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