144
votes
16answers
376k views

How do I set Windows to boot as the default in the boot loader?

How do I set the bootloader so that in my dualboot with Windows 7/Ubuntu 11.04, Windows start up as standard instead of Ubuntu?
175
votes
16answers
109k views

How to backup settings and list of installed packages

If I want to make a backup of everything I have done since the fresh install of Ubuntu, what are the possible options? What all should I backup? I want to get all the settings that I changed, all the ...
63
votes
5answers
119k views

How to set up USB for Virtualbox?

I'm using Ubuntu Maverick and Virtual Box 3+. I have Windows 7 Ultimate. The problem is that it doesn't detect USB drives in Windows 7, but USB peripherals (mouse + keybord) are working. I followed ...
206
votes
5answers
857k 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 ...
20
votes
4answers
91k 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 ...
39
votes
4answers
76k views

Is my ATI graphics card supported in Ubuntu?

I have an ATI graphics card and I want to know if it is supported and what kind of drivers should I be running to get the best features out of it. Is my card supported in Ubuntu and what drivers will ...
50
votes
2answers
9k views

I installed an alpha or beta, am I up to date with the final release if I keep upgrading?

I installed an Ubuntu alpha or beta and have been keeping it up to date. So, Should I presume that my system has automatically updated to the next alpha or beta, and will be running the official ...
415
votes
15answers
600k 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?
6
votes
4answers
17k 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 ...
13
votes
8answers
15k 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 ...
95
votes
7answers
172k views

Whats the simplest way to edit and add files to “/var/www”?

Having installed the web server is there a simple way to set a user able to use the graphic interface to copy files and directories to the local web server /var/www I gave myself administrative ...
39
votes
3answers
107k 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, ...
83
votes
2answers
30k views

What are some of the issues with CCSM and why would I want to avoid it?

I've seen some people complaining about how unstable CompizConfig Settings Manager ("CCSM") is and how it can break people's desktops if they're not careful. What are some of the known problems with ...
78
votes
4answers
283k 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 ...
37
votes
2answers
130k 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. ...
56
votes
5answers
110k views

How do I get AMD/Intel Hybrid Graphics drivers to work?

On Ubuntu 12.04 my Sony Vaio VPCSE with Intel® HD Graphics 3000 and AMD Radeon™ HD 6630M worked fine with the Catalyst Control Center version 12.6. Also the switching between integrated and discrete ...
121
votes
17answers
198k 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.. ...
64
votes
4answers
86k views

How can I get my graphics card to be recognized in System Info?

I am new to Linux/Ubuntu. I installed Ubuntu 11.10 on my Lenovo IdeaPad y510. System info says Graphics: unknown. Driver: unknown, Experience: Standard. What should I do to use all my ...
37
votes
10answers
33k 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?
175
votes
5answers
157k 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 ...
27
votes
5answers
239k 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 ...
29
votes
1answer
107k 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 ...
166
votes
11answers
149k views

How can I stop being prompted to unlock the 'default' keyring on boot?

Whenever Ubuntu boots up, a dialogue pops up asking me to unlock my default keyring. Is there some way this can unlock automatically through PAM or some other magical way?
66
votes
16answers
175k 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?
76
votes
7answers
64k 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. ...
34
votes
4answers
164k 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 ...
52
votes
4answers
242k 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.
33
votes
0answers
110k views

How can I get Broadcom BCM4311 Wireless working? [duplicate]

Wireless was worked perfectly in ubuntu 10.10. Now I upgraded it to ubuntu 11.04. After this upgrade wireless is not working in my laptop, even "wireless connection" is not showing in network ...
27
votes
7answers
59k 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 ...
25
votes
6answers
20k views

How can I install a Canon printer or scanner driver?

I tried to install the MP190 drivers, but appeared a message show me that requires to have libcupsys2. I understand that libcup2 is an update of libcupsys2. How do I solve this? Are there ...
31
votes
9answers
120k views

Error when installing: “unable to find a medium containing a live file system”

Error message: (initramfs) unable to find a live medium containing a live file system I got this error while trying to install Ubuntu 10.10 from a bootable USB stick on to Asus X64J series laptop. ...
473
votes
7answers
565k 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, ...
57
votes
3answers
157k views

How do I restore the default repositories?

There are now errors when updating and I cannot install most software due to a corrupted /etc/apt/sources.list file. Is there a copy I can download to replace it? The file would be for Ubuntu ...
13
votes
1answer
1k views

How to upload package with dependencies to my PPA?

I made a package for my PPA and uploaded it. It built without any problems. Then I made another package that depended on the first and uploaded it. It failed because it couldn't find the files in the ...
32
votes
4answers
131k 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 ...
93
votes
5answers
227k views

Unable to correct problems, you have held broken packages

After upgrading from 10.04 to 12.04 I am trying to install different packages. For instance ia32-libs and skype (4.0). When trying to install these, I am getting the 'Unable to correct problems, you ...
125
votes
4answers
95k 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? ...
16
votes
6answers
82k 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 ...
769
votes
18answers
1.2m 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?
159
votes
6answers
149k 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?
51
votes
7answers
7k 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 ...
60
votes
2answers
10k views

Why should users never use normal sudo to start graphical applications?

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 ...
27
votes
5answers
247k views

“Unable to locate package” while trying to install packages by apt

When I try to install any package through the command line, I get an error. Can anyone help me on this? $ sudo apt-get install <package> Reading package lists... Done Building dependency tree ...
32
votes
9answers
128k views

How do I get permissions to edit system configuration files?

I can't seem to edit and save config files in the root system (eg: /etc/dhcp/dhcpd.config); it just says "permission denied" or the save option is blocked in the text editor. I'm pretty sure I'm a ...
12
votes
3answers
36k 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 ...
30
votes
2answers
70k 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 ...
19
votes
1answer
62k views

How do I remove “Ubuntu” in the bios boot menu? (UEFI)

See this ubuntu appears in BIOS menu I have this on my Lenovo s205 too. Is there some way to remove "ubuntu" from the menu? I don't even have it installed anymore.
65
votes
5answers
376k 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.
69
votes
7answers
160k 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?
133
votes
6answers
52k 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 ...

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