Greatest Hits

64
votes
6answers
211k views

How to format a USB or external drive?

Using Ubuntu 11.10, how do I format an external or USB drive? I don't find an option to 'format' when I right click. In the new version, the drives don't come up on the desktop but instead come on ...
212
130
votes
5answers
270k views

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

How do I install a .deb file via the command line?
21
votes
6answers
60k views

The system is running in low-graphics mode error in “Virtualbox”

I faced a "The system is running in low-graphics mode error" like the on in this question How to fix "The system is running in low-graphics mode" error? But this happened in Virtualbox! ...
83
votes
8answers
83k views

How do I install Sublime Text 2?

I installed Sublime Text 2 on 12.04 as per this tutorial. However I don't have adequate permissions when launching the program from the Unity launcher. For example I cannot install packages, or if I ...
43
votes
4answers
151k views

How to delete a non-empty directory in terminal?

I am new to Ubuntu. How do I delete the following directory? I typed: rmdir lampp This error comes up: rmdir: failed to remove `lampp': Directory not empty Is there a command to delete all the ...
48
votes
1answer
55k views

Install Teamviewer using a 64-bits system but I get a dependency error

I was trying to install Teamviewer, but I was getting a dependencies error. I tried to install them but with no luck. I'm getting this Error: Unpacking teamviewer (from teamviewer_linux_x64.deb) ... ...
22
votes
2answers
90k views

How do I install drivers for the Atheros AR8161 Ethernet controller?

I have installed Ubuntu 12.04-64 bit on my Lenovo IdeaPad laptop, and the wired Ethernet (LAN) connection doesn't work. Running the lspci -vv | grep Atheros command from the terminal shows me I have ...
133
votes
14answers
90k views

How to pin Eclipse to the Unity launcher?

How can I pin eclipse indigo 3.7 I have 'installed' at /opt/ to the taskbar? I have tried launching eclipse and right-clicking to choose the 'keep in launcher' option. But when I click that icon, ...
121
votes
3answers
211k views

Where is the cron / crontab log?

I want to verify if my cron job is executing and what time. I believe there is a log for my sudo crontab -e jobs, but where? I searched google and it I found references to look in /var/log ...
157
votes
13answers
48k views

How to change tooltip background color in Unity?

In a lot of applications the tooltips are just plain ugly (White text on black background, way too much contrast) or even unreadable (black or dark blue text (Hyperlinks) on black background). I want ...
224
votes
14answers
176k views

How can I edit/create new launcher items in Unity by hand?

Will Unity allow making custom launcher icons from .desktop files or via menu editing system? (Right now the launcher doesn't give the option to "keep in launcher" on all programs. For some programs ...
216
votes
6answers
228k 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, ...
88
votes
9answers
87k views

How do I fix my locale issue?

I am getting this message everytime I do something like starting or stopping a service. perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: ...
33
votes
9answers
96k views

How to completely uninstall Java?

How can I completely remove all traces of Java on my system? I already know how to install it in case I need it again.
38
votes
14answers
57k views

Ubuntu gets stuck in a Login Loop

My problem: As you can guess my Ubuntu is stuck in a login loop when trying to enter my desktop. Means the screen gets black and soon after that the login screen comes back. I'm a Ubuntu Newbie so if ...
15
votes
14answers
83k views

No sound in Ubuntu except at log in

I installed Ubuntu 12.04 a month ago and am using it till now. I failed to notice that all this time there was no sound at all while running Ubuntu, even while playing a game in Wine. The weird thing ...
7
votes
2answers
76k views

Install iTunes on Ubuntu

I've always been an Ubuntu lover, but the only thing that holds me back from installing ubuntu on my laptop is iTunes. I have an iPad and an iPod touch and managing them without itunes is almost next ...
224
57
votes
7answers
178k views

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

On my old Toshiba Tecra A2 laptop, I tried installing Ubuntu 12.04 Beta 2. After burning it to a CD, I tried booting from the CD and got the message: This kernel requires the following features not ...
23
votes
6answers
50k views

12.04 Stuck at 'VMware easy install'

I have a Mac OS X and VMware Fusion. I did a fresh install of 12.04. I do not have VMware Tools installed. I read that I do not have to log in at the command window, that I have to wait for ...
36
votes
7answers
124k views

How to install Chrome browser properly via command line?

Setting up and managing an Ubuntu server all by myself, in coming months, is a part of my current plans. Hence, I am planning a switch from Windows to Linux - - Ubuntu. I now need to get some grip on ...
29
votes
4answers
91k views

How can I make Firefox open magnet-links in Transmission?

I can't find out how to make Firefox open magnet-links in Transmission. There is no option to make it the standard program for magnet-links in its properties, and as I am not experienced with the ...
166
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 ...
14
votes
2answers
60k views

Install Gnome 3.10 in Ubuntu 13.10 without breaking Unity

I just installed the Ubuntu 13.10 RC. Everything works fine so far. The thing is i want to also install Gnome 3.10 and i worry that this will break Unity. I know how to install the latest gnome ...
160
votes
11answers
42k views

How do I disable mouse magnet on middle edge with multi monitors?

I use Ubuntu 12.04 on a two screen setup. Multiscreen on 12.04 has generally become much better, but there is one thing that really gets on my nerves: there's a mouse magnet of sorts on the middle ...
169
votes
2answers
224k views

Can I move the Unity launcher?

I can’t get used to the new Unity system. I’d like to move the left Unity panel to the bottom of screen (like Windows 7 – more similar is better). But I can't find a way. Is it possible?
92
votes
9answers
165k views

How do I increase the hard disk size of the virtual machine?

I have run out of space on my WinXP virtual machine, which I only gave 10 GB space for when I created it. Is there an easy way to increase it to, say, 20 GB? I can't see any obvious option in ...
60
votes
7answers
195k views

How to use “grep” command to find text including subdirectories

I want to find all files which contain a specific string of text. The grep command works, but I don't know how to use it for every directory (I can only do it for my current directory). I tried ...
78
votes
5answers
92k views

How do I install LibreOffice 4?

I want to download and install LibreOffice 4. How can I do this?
148
votes
28answers
133k views

How do I remove or hide old kernel versions to clean up the boot menu or free space?

Every time I install a new Linux kernel, it gets left in the grub config, making the boot menu longer each time. I know I can manually search through the installed packages and remove them. Does ...
50
votes
2answers
98k views

Changing TTY keyboard layout on a server?

I use 12.04 Server in command line mode (no X installed), and I would like to change the keyboard layout. How can I do this?
22
votes
1answer
97k views

How to solve jitter (or stutter) playback via Chrome flash plugin?

Since the update to 12.04, there's been a problem specifically related to audio/video playback in Google Chrome. The problem only affected the Google version but not the Chromium nor the Firefox ...
14
votes
1answer
141k views

How to copy files via terminal?

I have read about copying files with terminal but these examples will help me a lot. So here is what I want to do: Examples: I have a file in /home/levan/kdenlive untitelds.mpg and I want to copy ...
26
votes
10answers
200k views

How to solve 'Connection refused' errors in SSH connection?

I have an Ubuntu Server 10.10 32-bit in my home. I'm making SSH connections to it from my PC via Putty. The problem is, sometimes I'm able to login seamlessly. However, sometimes it gives me an error ...
176
123
votes
6answers
62k views

How can I install Adobe AIR?

I am a heavy user of certain applications that are built on AIR. It appears that AIR has discontinued support for Linux. Even the older versions in the Adobe AIR Archives seem to support only 32 bit ...
62
votes
2answers
124k views

How do I restart /shutdown from a terminal?

How to shutdown the Ubuntu installed system and restart it by using terminal ?
90
votes
5answers
129k views

How do I uncompress a tarball that uses .xz?

I'm used to extracting tarballs with a -xfz flag, which handles gzip and bzip2 archives. Recently I've run into a .tar.xz file and I would like to uncompress it in one step using tar, how can I do ...
14
votes
3answers
138k views

How to start GUI from command line?

I've installed the following version of ubuntu om my machine. ubuntu-12.04-desktop-i386.iso But when I switch on the computer, I get command line. Ubuntu 12.04 LTS COMP-1245 tty1 Once I ...
25
votes
10answers
57k views

How to remove the “AMD Testing use only” watermark?

I've installed the latest catalyst driver (beta) following the step in this guide for Ubuntu Quantal Quetzal. My system is 64 bit and my graphic card is an ATI RadeonHD 6670, this g.c. is Officially ...
240
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 ...
88
43
votes
8answers
157k views

How can I resize an ext root partition at runtime?

How can I increase the size of the root partition of a system at runtime? I have a partition that is not allocated after the root partition (which is also ext4), how can I add that unallocated space ...
27
votes
8answers
103k views

How to install vmware tools?

I installed my Ubuntu in vmware, no I need install vmware tools, I got error: Searching for a valid kernel header path... The path "" is not valid. Would you like to change it?[yes] In ...
194
15
votes
4answers
124k views

How to change root password for mysql and phpmyadmin

I've set up mysql and phpmyadmin and chose not to set a password when installing hoping that once set up i could login with root and no password but i get the following error from phpmyadmin: Login ...
36
votes
15answers
98k views

How to install Internet Explorer (multiple versions)?

I am developing one site which has chat feature in Rails. I am using Ubuntu 12.04 LTS. I need to check that the site is IE9 because the chat feature using socket io of HTML5. I want to know that how ...
164
31
votes
2answers
156k views

“Mounting cifs URL not implemented yet” when I try to mount a samba share

I have a server for development (Ubuntu 12.04). On that machine, I have a shared folder named "projects". I tried sudo mount -t smbfs smb://192.168.2.28/projects/myProject /mnt/myProject on my ...
47
votes
6answers
135k views

How do I install Adobe Acrobat Reader?

I am new to Ubuntu, but I believe I have Ubuntu 11.10 installed correctly. I am trying to install Acroread using AdbeRdr9.4.6-1_i386linux_enu.deb that I downloaded from the Adobe web site. How do I ...
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 ...
12
votes
5answers
71k views

Install Skype on Ubuntu 12.04 LTS 64-bit

Since weeks ago I'm trying to install Skype on my computer. I imagined it would be a straight forward task but it is becoming a nightmare. What I have tried so far: Installing from command line with ...
88
votes
7answers
144k views

How do I find the amount of free space on my hard drive?

Is there a way to quickly check the amount of free / used disk space in Ubuntu? I would assume you could right click on 'file system' in the file browser and choose 'properties' or something but ...
19
votes
3answers
111k views

How to setup static IP in Ubuntu Server 12.04?

sudo apt-get update sudo apt-get upgrade ifconfig sudo nano /etc/network/interfaces auto eth0 iface eth0 inet static address 192.168.1.150 netmask 255.255.255.0 network 192.168.2.0 broadcast ...
13
votes
5answers
167k views

How does one exit the X server?

The command sudo service gdm stop would successfully disable the X server in Ubuntu 11.04 temporarily. However, this same command no longer works in Ubuntu 11.10, because "gdm" is an "unrecognized ...