128
votes
18answers
100k 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 ...
124
votes
9answers
85k 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 ...
28
votes
8answers
57k 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 ...
31
votes
8answers
28k 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 ...
82
votes
7answers
114k 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 ...
71
votes
5answers
255k 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 ...
98
votes
6answers
165k 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?
28
votes
1answer
120k 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 ...
35
votes
9answers
128k 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. ...
22
votes
2answers
2k 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.
26
votes
2answers
178k views

How do I enable hardware virtualization technology (VT-x) for use in Virtualbox?

So I am trying to run Ubuntu in a virtualbox but on installing 12.10 from the .iso I was greeted by a warning telling me that audio wouldn't work then I pressed next and this popped up: Failed to ...
68
votes
4answers
55k 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?
132
votes
7answers
219k views

How do I change my username?

Some time ago when I installed Ubuntu I chose a rather stupid username for my account that I do not want to use anymore. How do I change this (including the name of my home directory, and the name ...
123
votes
8answers
91k views

How to delete file(s) in secure manner?

Is there a way to make sure that a deleted file can not be recovered? As you know, deleting a file by pressing shift-del or using trash doesn't mean that file is gone forever. It resides somewhere ...
97
votes
23answers
164k 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 ...
115
votes
1answer
141k views

How do I run specific sudo commands without a password?

On one particular machine I often need to run sudo commands every now and then. I am fine with entering password on sudo in most of the cases. However there are three sudo commands I want to run ...
64
votes
5answers
83k views

How to increase swap space?

I have, by default, 250MB of swap space in Ubuntu, and I want to expand it to a larger size. I need 800MB, which I think will be enough to open several applications without having to hit the current ...
80
votes
7answers
87k views

My /boot partition hit 100% and now I can't upgrade. Can't remove old kernels to make room

My first issue was when i tried to apt-get update/upgrade. On upgrade I get the following error: You might want to run 'apt-get -f install' to correct these. The following packages have unmet ...
16
votes
5answers
8k 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 ...
146
votes
22answers
170k 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 Ubuntu ...
164
votes
19answers
145k 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 ...
80
votes
9answers
144k 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 me....
45
votes
8answers
192k views

How can I resize an LVM partition? (i.e: physical volume)

I want to shrink my second (LVM) partition, in order to create a new partition in the newly freed space. I am using the Live CD to do so, because I know I can't resize/move this partition while it is ...
3
votes
2answers
10k views

My wifi Qualcomm Atheros Device [168c:0041] (rev 20) doesn't show up and work in Ubuntu 14.04.3 on Lenovo flex 3 14

I am new on linux systems I have tried some of the relevant solutions, those I could follow up, But nothing yet.Please help me figuring this out. Wireless info START Report from: 24 Sep 2015 22:...
90
votes
10answers
184k views

What is the equivalent to the Windows “Program Files” folder? (Where do things go when I install them?)

What is the Ubuntu equivalent to the Windows C:\Program Files folder? This is where Windows stores the system wide data for applications.
54
votes
3answers
243k views

How can I uninstall a nvidia driver completely ?

As expected, Nvidia drivers have reduced my customizations. I can't login to Unity 3D session. I can't find any content to help me to uninstall the driver and I don't know what to do as I have never ...
107
votes
6answers
103k 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 ...
69
votes
3answers
168k 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 ...
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 ...
287
votes
20answers
124k 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 ...
173
votes
2answers
244k views

How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?

I am trying to update to install PHP 5.5, 5.6 or 7.0 in Ubuntu 12.04/14.04/16.04 LTS, and I can only get PHP 5.3.10 for Ubuntu 12.04, PHP 5.5.9 for Ubuntu 14.04 or PHP 7.0.4 for Ubuntu 16.04 using ...
146
votes
12answers
113k 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!
117
votes
7answers
67k 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 ...
48
votes
7answers
56k 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 ...
43
votes
20answers
75k 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 ...
25
votes
5answers
13k 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?
11
votes
8answers
66k views

“errno 5 - input/output error” when trying to install

Today I downloaded Ubuntu for my laptop. It runs great from a bootable usb, but when I tried to install it, I've got the "errno 5 - input/output error". I tried everything to install it on my laptop,...
505
votes
6answers
1.6m views

How can I add a new user as sudoer using the command line?

After I add a user using adduser, I can't see it via System->Administration->Users and Groups unless I logout and then login again. Is that normal? Also, can I set a newly added user as a ...
139
votes
12answers
168k views

How can I set up password-less SSH login?

I want to be able to login to a remote via ssh without having to enter the password all the time. How do I set it up? Is a different command required to execute a password-less session?
201
votes
4answers
201k views

What is “dist-upgrade” and why does it upgrade more than “upgrade”?

I was wondering why upgrade sometimes doesn't want to upgrade certain parts of the system, while dist-upgrade does. Here's an example after running update: apt-get upgrade: rimmer@rimmer-Lenovo-...
71
votes
48answers
152k 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 and ...
117
votes
3answers
331k views

How do I set the grub timeout and the grub default boot entry?

In Ubuntu 12.04 (or above), how do I set the GRUB time and the default OS (that I see at boot time) as I'm dual-booting Windows (7/8) and Ubuntu (12.04 or above)?
64
votes
6answers
182k views

How do I change the default session for when using auto-logins?

When autologon is active, lightdm will start the Unity 3D session, not the 2D (or any other shell that I want to auto-login to). Is there a way to start the shell I want automatically (autologon)? ...
73
votes
3answers
66k 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 ...
16
votes
2answers
138k views

How to install the Boot-Repair tool in an Ubuntu live disc?

When the bootloader (GRUB) is broken, I cannot access neither Ubuntu nor Windows. I heard that an easy solution to fix this is to use the Boot-Repair tool from an Ubuntu liveCD (or liveUSB). What ...
36
votes
5answers
111k views

Windows 10 upgrade lead into grub rescue

I was dual-booting Windows 7 and Linux Ubuntu on my desktop, and today is the day they gave out free Windows 10 upgrades. How exciting! I got the update, and it was installing, and I left to go take ...
30
votes
10answers
72k 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 ...
38
votes
2answers
67k 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?
13
votes
12answers
91k 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 ...
59
votes
14answers
55k 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?

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