19
votes
4answers
64k views

How do I reset a lost password (using recovery mode requires me to type the password)?

I need to reset my password. I have followed these steps: How do I reset a lost Administrative (root) password? However, then I go to "root" or "netroot" recovery options, it tells me: Give root ...
92
votes
9answers
59k views

How to prevent updating of a specific package?

Because of bug #693758 I'd like to prevent apt-get upgrade and Update Manager from updating the "libgtk2.0-0" package. How can this be achieved?
25
votes
3answers
16k views

How do I add myself back as a sudo user?

I clean-installed Ubuntu 11.10 today, and then installed VirtualBox. This required me to add myself to the vboxusers group, and since 11.10 seems to no longer have a graphical app to add users to a ...
298
votes
21answers
248k views

How can PPAs be removed?

I've added many PPAs using the add-apt-repository command. Is there a simple way to remove these PPAs? I've checked in /etc/apt/sources.list for the appropriate deb lines but they aren't there. This ...
45
votes
7answers
5k views

How can I easily share the output of a command or a text file with others?

I recently asked a question on Ask Ubuntu (or somewhere else), and a comment or answer asks me to paste the contents of some file or the output of a command to troubleshoot my problem. How do I do ...
18
votes
1answer
52k views

My WiFi adapter is not working at all, how to troubleshoot?

On this site I see hundreds if not a thousand questions being asked about issues with a Wireless LAN adapter not being detected/recognized by Ubuntu. Some mainstream adapters appear to be utterly ...
34
votes
2answers
5k views

How do I go about porting Ubuntu Touch to different devices?

I would like to port Ubuntu Touch to a device that is currently not supported. What are the requirements for doing this and where do I begin?
41
votes
4answers
155k views

Difference between the i386 download and the amd64?

What is the difference between standard i386 download and the amd64 download of Ubuntu 11.04? I am currently running the i386 on an amd machine, would my system work better with the amd64 download ...
140
votes
5answers
552k views

How do I change the GRUB boot order?

I have both Windows 7 and Ubuntu installed on a shared machine. Because a lot of the non-developers use Windows, I'd like to change the boot order to make it easier for them. Currently the boot order ...
4
votes
4answers
8k views

How to create a bootable USB stick?

I am looking at this: http://www.ubuntu.com/download/help/create-a-usb-stick-on-ubuntu I need to create a boot disk to test Ubuntu to make sure it will run on a PC (Compaq Mini CQ10-120LA) I was ...
20
votes
2answers
77k views

How do I set 'nomodeset' after I've already installed Ubuntu?

I know that editing the boot options line and adding 'nomodeset' solves my laptops problem during LiveCD mode, what I don't know is how to set it at boot up through Grub2 after I've installed Ubuntu. ...
84
votes
8answers
15k views

How can I use Netflix on Ubuntu?

Is there a way to stream Netflix content to my Ubuntu machine?
60
votes
9answers
55k views

How do I use 'chmod' on an NTFS (or FAT32) partition?

I have a script that I need to execute on an NTFS partition. The script's permission is set to 600. I attempted to modify the permissions by running chmod 755 script.sh, which doesn't report a ...
67
votes
15answers
12k views

Desktop forgets theme?

I am running Ubuntu in VirtualBox (on a Windows 7 host). Several times now, the top-level menu bar, the task bar — and seemingly every system dialog — have forgotten the out-of-the-box "Ambiance" ...
63
votes
7answers
49k views

How can I play encrypted DVD movies?

My machine can't play encrypted DVDs on a fresh install. How do I add this capability? Another useful bit of information would be what programs are best for playing DVDs, once I'm able to do so. ...
105
votes
4answers
71k views

Why is “No new release found” when upgrading from a LTS to the next?

I'm following the upgrade instructions on Ubuntu's website, but on launching the upgrade tool I get this response: Checking for a new ubuntu release No new release found Am I doing something wrong? ...
33
votes
6answers
13k views

No facility exists in Update Manager to upgrade to a new version, why?

I am trying to upgrade to a new Ubuntu version but the update manager does not recognize an update. Why not?
37
votes
4answers
41k views

How to set up USB for Virtualbox?

I'm using Ubuntu Maverick and Virtual Box 3+ and I installed Window 7 Ultimate Editon. The problem is that it doesn't detect USB drives on Window 7 but USB peripherals (mouse + keybord) are working. ...
64
votes
4answers
52k views

What is Ubuntu Touch (Ubuntu for Phones)

Following up on Canonical's announcement, what is Ubuntu for phones, where can I download a copy of the OS to run on my phone? And how do I know if it's compatible with my phone?
19
votes
4answers
104k views

Grub rescue - error: unknown filesystem

I have a multiboot system set up. The system has three drives. Multiboot is configured with Windows XP, Windows 7, and Ubuntu - all on the first drive. I had a lot of unpartitioned space left on the ...
128
votes
6answers
97k views

How do I remap certain keys or devices?

I'm searching for a way to remap certain keys in ubuntu. i.e. I'd like to change PgUp to Home or PgDown to End. Does a built-in command or a tool exist reassign keys in Ubuntu/GNOME?
60
votes
9answers
50k views

What's the difference between Wubi and a regular “alongside Windows” installation?

At this time, Wubi does not work with Windows 8 default boot-loader. Thus at this point Wubi would not work on a new Windows 8 machine. Citation fom WubiGuide Question Recently I've learned ...
32
votes
11answers
26k views

How do I install Skype?

I want to install Skype, but I can't locate it in Software Center or by using Synaptic Package Manager. Can anyone help me?
82
votes
15answers
103k views

How can I create launchers on my desktop?

In older versions it was easy to create a launcher on my desktop all i had to do is right click on my desktop and select the create launcher option. But on 11.10 the option disappeared from the menu.. ...
10
votes
4answers
25k views

How do I uninstall Ubuntu Wubi?

I want to uninstall Ubuntu because I just don't like it... I have windows 7 and no boot disk or anything special to uninstall, when I installed Ubuntu it said easy to uninstall and I would love to ...
252
votes
0answers
338k views

How do I install Oracle Java JDK 7? [duplicate]

If I downloaded the latest JDK from Oracle, do I just download the .tar file and extract it to /usr/lib/jvm/?
109
votes
5answers
101k views

How can I accept the Microsoft EULA agreement for ttf-mscorefonts-installer?

After a recent update, ttf-mscorefonts-installer prompted me to accept its license agreement. For some reason my terminal will not allow me to accept, or for some reason I am pressing the wrong ...
57
votes
11answers
36k views

What's your recommendation on drive partitioning schemes for a desktop and home server? [closed]

What partitioning scheme do you recommend for a desktop? I've always created three or four primary partitions -- root, swap, home, and sometimes a separate boot partition. Ubuntu's default install ...
15
votes
5answers
5k views

Why can't I install Ubuntu or Wubi on a Windows Dynamic Disk?

I've been trying to install 12.04 for a while now, I'm running on Windows 7 and I already made the partition (it's dynamic). I've tried booting from a disc and also the Windows installer. I haven't ...
67
votes
8answers
60k views

Is it possible to “upgrade” from a 32bit to a 64bit installation?

As per title, I wish to know if I can, after a successful 32bit setup and consequent software installations, update to a 64bit version. I know how to partition (actually one of the solutions is to ...
51
votes
6answers
103k views

How do I reset GNOME to the defaults?

I was playing around with some settings, and now I need to reset GNOME to it's defaults - how do I do that?
35
votes
4answers
45k views

How do I install and switch to the Unity 2D desktop?

I read that there is now a 2D version of Unity built on Qt. How do I install it, and once it's installed, how do I switch to it?
8
votes
8answers
9k views

Failed to download repository information due to missing CDROM

When updating I got this error message: W:Failed to fetch cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release amd64 (20111012)/dists/oneiric/main/binary-i386/Packages Please use apt-cdrom to make this ...
22
votes
3answers
38k views

How to install Ubuntu on VirtualBox?

I would like to know if anyone can help me with installing Ubuntu on VirtualBox 4.1.12. I'm really having trouble installing ubuntu on there. I am a first time user but always wanted to give it a try, ...
9
votes
3answers
20k views

How do I install the VirtualBox version from Oracle to install an Extension Pack?

I downloaded VirtualBox OSE from the Ubuntu Software Center but it seems that that version is limited. I prefer to have the complete version and don't really care if it's closed source or not. Can I ...
14
votes
0answers
61k views

Wireless doesn't work on a Broadcom BCM4312 [duplicate]

Possible Duplicate: How to Install Broadcom / STA Wireless card (BCM43XX) As stated, I've just upgraded to 12.04 and my Dell Inspiron 1545 isn't recognising its wireless card and I was ...
387
votes
15answers
520k views

How to list all installed packages?

I'd like to output a list of all installed packages into a text file, so that I can review it and bulk-install on another system. How to do this?
61
votes
24answers
43k views

What IDEs are available for Ubuntu? [closed]

This question exists because it has historical significance, but it is not considered a good, on-topic question for this site, so please do not use it as evidence that you can ask similar questions ...
18
votes
2answers
58k views

How do I get a Ralink RT3290 wireless card working?

I just installed Ubuntu 12.10 on an ASUS X401U, and after installation there is no list of wireless connections. I didn't have that problem with an installation on HP. What I can do to enable Wifi? ...
11
votes
3answers
56k views

How do I install BCM43142 wireless drivers for Dell Vostro 3460/3560?

I have a Dell Vostro 3460 with one of the new Broadcom 43142 hybrid Wireless/Bluetooth chips. Neither the proprietary driver (wl) nor the b43 driver supports this. lspci -nn gives me 01:00.0 Network ...
142
votes
9answers
210k 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?
41
votes
48answers
56k views

What download managers are available for Ubuntu?

This question exists as it fills a specific criterion. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on Ask Ubuntu ...
27
votes
10answers
61k 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 ...
18
votes
4answers
77k 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 ...
25
votes
8answers
40k views

How to install Minecraft (Client)

How to correctly install Minecraft, including setting any needed packages or apps to install it and to troubleshoot the most common problems that Ubuntu users face when trying to user Minecraft. I am ...
118
votes
22answers
94k views

Tips to extend battery life for laptops and notebooks

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 Ask ...
43
votes
16answers
106k 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?
96
votes
6answers
82k 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 ...
51
votes
9answers
5k 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?
5
votes
1answer
351 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 ...

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