25
votes
6answers
21k 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 ...
162
votes
6answers
156k 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?
66
votes
8answers
83k views

How to automount NTFS partitions?

I have two NTFS partitions, and I don't want to mount them everytime I start Ubuntu. How can I do this? Is there a tool or a code to use? If so, is it safe to automount? specially when they are ...
193
votes
6answers
91k views

How do I find the package that provides a file?

Simple enough question: is there some shell command (or GUI method) I can use that, given the path to a file on my system, tells me what package put it there? Assuming the file did in fact come from a ...
60
votes
11answers
41k 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 ...
583
votes
7answers
1.6m views

How do I install a .deb file via the command line?

How do I install a .deb file via the command line?
356
votes
8answers
101k views

How do I modify or disable the HUD's use of the Alt key?

A number of games, Emacs, and the terminal make extensive use of the Alt key. Can Unity be configured to respect this key, rather than launching the HUD with it?
133
votes
18answers
46k views

Why is it bad to login as root?

I've often come across posts on forums or other websites where you see people joking in such a manner about running/logging in as root as if it's something awful and everyone ought to know about it. ...
105
votes
4answers
52k views

What is different about the Mac ISO image?

http://cdimage.ubuntu.com/releases/11.04/release/ At that location there is an ISO image which is described as "This image is adjusted to work properly on Mac systems." What specific problems on the ...
81
votes
7answers
290k views

How can I install on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”)

After burning Ubuntu 12.04 to a CD, I tried booting and got the message: This kernel requires the following features not present on the CPU: pae Unable to boot - please use a kernel appropriate for ...
26
votes
4answers
42k views

Graphics issues after installing Ubuntu 16.04 with NVIDIA graphics

I installed or upgraded to Ubuntu 16.04, but I'm having some problems with my graphics card. The display is blank The display flickers Items on the screen do not display correctly Certain programs ...
51
votes
4answers
197k views

Boot Error - ACPI PCC Probe Failed

ACPI PCC Probe Failed is the error that pops up instead of the default GRUB loader after I updated my kernel to 3.19. I searched around and couldn't find much information except that it is a known ...
275
votes
5answers
426k views

How do I set up a Cron job?

I want to schedule a task to run on a regular basis and have heard that Cron is the way to do this. How do I add Cron jobs in Ubuntu?
143
votes
2answers
358k 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 ...
70
votes
5answers
37k views

When using sudo with redirection, I get 'permission denied'

When using sudo to allow edits to files, I regularly get 'permission denied'. For example, my mouse is jittery and sluggish, so I want to disable polling: sudo echo "options drm_kms_helper poll=N"&...
66
votes
9answers
54k 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 of ...
40
votes
4answers
56k 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?
24
votes
7answers
73k views

Why I'm seeing a lock besides the partition I'm trying to modify with gparted? [duplicate]

I wanted to create more space for Ubuntu on my hard disk in favor of my Windows partition. I booted the livecd and resized the NTFS partition to 100 GB. Then I wanted to resize my Ubuntu (ext4) ...
106
votes
10answers
81k 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?
74
votes
15answers
14k 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" ...
147
votes
6answers
1.2m views

How to install Google Chrome?

How do you install Google Chrome on Ubuntu?
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 ...
32
votes
2answers
76k 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 ...
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 ...
251
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/?
145
votes
3answers
43k views

What's the right terminology for Unity's UI elements?

I've sent a few mails to the Ayatana mailing list regarding some UI suggestions for Unity, but I'm afraid I keep confusing the right terms for the UI element, so I would like to have some ...
171
votes
10answers
155k 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?
143
votes
12answers
212k views

How do I change fonts and adjust their size?

I've been finding fonts on the internet and installing them on my system. What's the easiest way to change my fonts? I would prefer an easy to use graphical way, but answers with command line ...
44
votes
6answers
92k views

How do I install Ubuntu-Tweak?

I have heard a lot about Ubuntu-Tweak and how it is great for power users, but I don't know how to install it. How do I do that?
234
votes
7answers
491k views

What is the correct way to completely remove an application?

I've searched the net for such information and found different command lines, like these ones: sudo apt-get remove application sudo apt-get remove application* sudo apt-get remove --purge ...
156
votes
15answers
381k views

How to install Eclipse?

I want to install the latest version of Eclipse but the Ubuntu Software Centre contains an older version. Is there a PPA or some other way to install latest Eclipse? Please describe the steps for ...
47
votes
3answers
169k views

How to create UEFI-only bootable USB live media?

Having live media that can boot both ways can be a problem when installing Ubuntu onto currently available Windows 8 computers. In other words the key advantage to creating UEFI-only bootable USB ...
51
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 ...
11
votes
1answer
29k views

How to install Broadcom wireless drivers offline

I have installed Ubuntu alongside Windows 8.1. But the wifi is not working in ubuntu (perhaps the drivers are not present), which worked fine in windows. Also I cant connect with ethernet since my ...
9
votes
2answers
84k views

How to recover a deleted NTFS partition with data

I am on Ubuntu 12.04 64-bits I accidentally deleted a NTFS 255 GB partition using Gparted, and yes it contains LOTS of important data. Upon realizing the deletion I haven't yet created any file-...
12
votes
4answers
45k views

How do I make an Bootable Ubuntu USB?

How do I make an Bootable Ubuntu USB? Containing the the latest version of Ubuntu? For completeness, how would I be able to do this on Ubuntu, Windows, OS X or another Linux distro?
158
votes
2answers
178k 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 ...
102
votes
11answers
292k views

How to make a disk image and restore from it later?

I'm a new Linux user. I've reinstalled my Wubi from scratch at least ten times the last few weeks because while getting the system up and running (drivers, resolution, etc.) I've broken something (X, ...
29
votes
6answers
80k views

Move home folder to second drive

I have 2 HDD drives in my computer. At the moment second drive is mounted as /media/storage. How can I move my user data from /home to /media/storage/home? Can I just move the data over there and ...
85
votes
8answers
109k 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 ...
58
votes
3answers
103k views

How do I add a kernel boot parameter?

I need to add the boot parameter foo=bar to my kernel. How can I do this once for testing, and permanently if testing was a success?
69
votes
6answers
146k views

Running programs in the background from terminal

How do I run a program in the background of a shell, with the ability to close the shell while leaving the program running? Lets say my UI is having problems or for some reason, I need to boot up a ...
155
votes
8answers
276k views

How do I create a permanent Bash alias?

I would like to create an alias to rm command in order to have a confirmation message after executing this command. So I am creating an alias like this alias rm='rm -i'. But as far as I know this is a ...
76
votes
11answers
512k views

How do I run .sh files?

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 ...
22
votes
4answers
15k views

How do I remove Windows but keep Ubuntu?

I want to keep Ubuntu but remove Windows.
21
votes
7answers
31k views

How to run scripts without typing the full path?

I'd like to know if there is a way to run program/shell script without typing full path: /opt/idea/bin/idea.sh
26
votes
2answers
174k 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 ...
127
votes
18answers
98k 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 ...
95
votes
23answers
160k 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 ...
124
votes
9answers
83k 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 ...

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