252
votes
6answers
31k views

How do I report a bug?

I found a problem with an application on Ubuntu. How do I best report the issue? What sort of information should I provide?
150
votes
29answers
289k views

My computer boots to a black screen, what options do I have to fix it?

I am trying to boot Ubuntu on my computer. When I boot Ubuntu, it boots to a black screen. How can I fix this? Table of Contents: If you are trying to install Ubuntu If you have a dual boot ...
163
votes
7answers
451k views

Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)

I bought a computer with preinstalled Windows 8. But I didn't like Windows 8, so I decided to install Ubuntu as a second operating system. I'm absolutely new to Linux. I have been using Windows for ...
108
votes
8answers
23k views

I have a hardware detection problem, what logs do I need to look into?

I am trying to ask a question about getting my hardware to work but I don't know what information to add to my question to get help, what do I need to do? Related if you don't have access to a GUI: ...
85
votes
9answers
39k views

There's an issue with an Alpha/Beta Release of Ubuntu, what should I do?

I've been running Alpha releases of Ubuntu for some time now. I keep running into issues - how can I get these resolved? What should I do when I encounter these problems? And where can I find other ...
167
votes
13answers
144k views

How do I resolve unmet dependencies?

How do I resolve unmet package dependencies? Occasionally, when I'm installing stuff, I get an error like the following: Some packages could not be installed. This may mean that you have requested ...
225
votes
41answers
131k views

What should I do when Ubuntu freezes?

All operating systems freeze sometimes, and Ubuntu is no exception. What should I do to regain control when... just one program stops responding? nothing at all responds to mouse clicks or key ...
108
votes
8answers
103k views

How do I fix a “Problem with MergeList” or “status file could not be parsed” error when trying to do an update?

The computer gave me this output in a window: E: Encountered a section with no Package: header E: Problem with MergeList ...
39
votes
13answers
204k views

How to remove Ubuntu and put Windows back on?

I have absolutely no experience with Linux, and I desperately need to get my laptop back up and running again with Windows. How do I remove Ubuntu?
41
votes
5answers
12k views

How do I install Ubuntu?

I would like to see a full how-to on how to install Ubuntu.
50
votes
15answers
50k views

What hardware will Ubuntu Touch support?

With the announcement of the Ubuntu Phone OS I'd like to know what phone (and tablet) models are supported at this time. Note from foss & Oli: We are making this the master question for all ...
71
votes
6answers
74k views

How to install software or upgrade from old unsupported release?

Recently I have installed an older version of Ubuntu on my old machine. When ever I am trying to install any software it is giving error sudo -i apt-get install vlc The error being flagged is under ...
154
votes
14answers
345k views

How do I reset a lost administrative password?

I'm working on a Ubuntu system using a Panasonic CF-50 Laptop. My Client has completely forgotten his Administrative Password. He doesn't even remember entering one; however it is there. I've tried ...
133
votes
20answers
98k views

Unity doesn't load, no Launcher, no Dash appears

When I login, nothing happens. I am presented with my desktop wallpaper. No Dash, no Launcher, nothing.
81
votes
9answers
101k views

How can I repair grub? (How to get Ubuntu back after installing Windows?)

I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu. How can I get Ubuntu back?
55
votes
49answers
279k views

How to install Broadcom wireless drivers? (BCM43xx)

I'm having serious problems installing the Broadcom drivers for Ubuntu. It worked perfectly on my previous version, but now, it is impossible. What are the steps to install Broadcom wireless drivers ...
58
votes
5answers
60k views

How can I fix a 404 Error when updating packages?

PPA seems to be constantly offline. Whenever I use sudo apt-get update, this error is shown: W: Failed to fetch http://ppa.launchpad.net/ 404 Not Found How do I fix these errors?
127
votes
14answers
126k views

How well do laptops with Nvidia Optimus work? [closed]

I am considering buying a Dell XPS 15 laptop. The laptop has a Nvidia 420m card which should work with Linux but I keep reading that the Nvidia Optimus technology isn't supported on Linux. I am not ...
111
votes
4answers
329k views

What is the correct way to install proprietary ATI Catalyst Video Drivers (fglrx) directly from AMD?

I am planning on doing a fresh install of 12.04 LTS and want to know what is the correct way to install ATI Catalyst Video Driver? There are multiple valid answers for this question spanning over ...
238
votes
9answers
150k views

What are PPAs and how do I use them?

I keep reading about Personal Package Archives ('PPAs') and people answer questions with a link to a PPA. What's the best way to use these? There are multiple valid answers for this question ...
109
votes
36answers
277k views

How to fix “The system is running in low-graphics mode” error?

Note: This is an attempt to create a canonical question that covers all instances of "low-graphics mode" error that occurs to a user, including but not limited to installation of wrong ...
31
votes
5answers
19k views

How do I find out which version and derivative of Ubuntu is right for my hardware in terms of minimal system requirements?

For a given hardware configuration, how do I find out if Ubuntu will run on it? What considerations should I take into account when choosing an Ubuntu version and flavour such as: Xubuntu with a ...
116
votes
18answers
80k views

How can I install software or packages without Internet (offline)?

I have a friend who has got a computer that is not connected to the Internet. Is there any way to install software offline easily?
84
votes
12answers
76k views

How do I install Ubuntu to a USB key? (without using Startup Disk Creator)

If you are hurrying to reply, System → Administration → StartUp Disk Creator -- no, that's not what I'm talking about. I want to try Ubuntu 11.04's Unity without touching my existing Ubuntu ...
193
votes
12answers
133k views

How to revert to GNOME Classic Desktop?

I'm used to GNOME Classic and personally don't want to change to anything else, but it seems there is no more GNOME Classic in the Oneiric release. After apt-get installed gnome-session and all, ...
85
votes
9answers
745k views

How do I install a .tar.gz (or .tar.bz2) file?

I have downloaded tar.gz files. But I don't know how to install it. How do I install this kind of file?
22
votes
8answers
18k views

How do I fix Flash issues?

I am having problems with Adobe Flash in Ubuntu, what are my options?
61
votes
15answers
62k views

Can I skip over releases when upgrading?

I am currently using Ubuntu 10.04. I know there is a 10.10 release, but can I upgrade directly to 11.04? Could you walk me through the steps please?
53
votes
9answers
98k views

How to roll back Ubuntu to a previous version?

I just installed a new version of Ubuntu and I want to roll it back to the previous version. How can I do that? Is that even possible?
97
votes
14answers
265k views

Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?

I get this error when trying to use apt-get: E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/) is ...
80
votes
4answers
60k views

Is there a power saving application similar to Jupiter?

I have installed the 13.04 final release and so far I am loving it more 12.10. I'm trying to install the Jupiter power settings app but, I read it is no longer compatible with the new kernel. Is there ...
47
votes
8answers
16k views

How can I install Ubuntu without removing Windows?

I need my pre-installed version of Windows 7 (or any other version of Windows), how could I install Ubuntu without erasing it?
31
votes
6answers
13k views

What are the system requirements for each flavor of Ubuntu Desktop?

I'm thinking about installing Ubuntu Desktop, but I don't know what flavor is the better for my system. What are the minimum and recommended hardware requirements? What kind of CPU? How much memory? ...
126
votes
11answers
302k views

How do I install and use the latest version of GNOME?

I followed the instructions for compiling GNOME Shell and it did compile with a few errors here and there but it didn't run. I installed GNOME Shell using sudo apt-get install gnome-shell but I got ...
63
votes
15answers
56k views

What are the differences between 32-bit and 64-bit, and which should I choose?

What is the difference between 32-bit and 64-bit Ubuntu? I've heard the 64-bit platform performs better and can detect more than 4GB of RAM. Also, while some apps haven't ported to 64-bit yet, ...
39
votes
6answers
38k views

Installing Nvidia Drivers

I just ordered the Nvidia GTX 560 card, which should arrive tomorrow. I have a dilemma, though. Should I keep using the driver which is available in "additional drivers" in Ubuntu (10.10), or should I ...
105
votes
8answers
35k views

Are PPA's safe to add to my system and what are some “red flags” to watch out for?

I see a lot of interesting programs out there that can only be obtained by adding a "PPA" to the system but, if I'm understanding correctly, we should stay within the official "repositories" for ...
210
votes
38answers
113k views

How can I improve overall system performance?

What are your tips for improving overall system performance on ubuntu? Inspired by this question I realized that some default settings may be rather conservative on Ubuntu and that it's possible to ...
68
votes
9answers
87k views

How do I install Java?

How do I install Java and also the plugin in my browser so websites with Java work?
180
votes
11answers
281k views

How do I upgrade to a newer version of Ubuntu?

What are the different ways I can use to upgrade Ubuntu from one release to another?
118
votes
12answers
82k views

How do I reset my Unity configuration?

I've been messing around with Unity and broke something, how do I "start over"?
110
votes
15answers
29k views

How to customize the Ubuntu Live CD?

I would like to customize Ubuntu live CD by installing some additional packages. I have followed this link but it doesn't seems to work. Can anyone provide clear instructions? Note: I do not prefer ...
39
votes
10answers
23k views

How to convert Wubi install into regular install?

I have installed Ubuntu on my D: partition using Wubi. Is there any way in which I can remove my Windows from C: drive and move my existing Ubuntu installation to C: drive and make it a regular ...
38
votes
18answers
46k views

How can I install Windows software or games?

Can .exe and .msi files (Windows software) be installed in Ubuntu?
39
votes
4answers
46k views

How do I install extra drivers?

I've just installed Ubuntu and I need either video, wireless, or some sort of other manufacturer (non-opensource) driver; how can I run the tool that will fetch all of these for me? I'd like graphical ...
21
votes
6answers
23k views

How do I remove a malformed line from my sources.list?

I have unistalled and reinstalled the Ubuntu Software Center as per info I found in a similar thread and I got the same response about line 91 or something like that. I just tried to upload a screen ...
198
votes
21answers
316k views

How can I install Sun/Oracle's proprietary Java JDK 6/7/8 or JRE?

I want to install Oracle's JRE and to update to the latest version with the Software Updater when they released. Is there a Ubuntu package that is provided by Canonical or Oracle? Before release Java ...
252
votes
11answers
391k views

How can I configure Unity?

Are there any configuration options for the Unity desktop? There are multiple valid answers for this question spanning over several versions of Ubuntu. For your convenience an index of each below ...
28
votes
1answer
14k views

How do I set up a dual boot with Windows and Ubuntu?

I currently have Windows 7 on my computer and I want to install Ubuntu alongside Windows safely. Could someone please provide a good tutorial? Thanks!
57
votes
15answers
108k views

How do I install Adobe Flash player?

I have had significant problems with watching flash video in 64-bit Ubuntu. Does anyone know of a good way to get flash running on the platform?

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