Greatest Hits

77
votes
2answers
100k 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) ... ...
42
votes
8answers
92k views

VirtualBox '/etc/init.d/vboxdrv setup' issue

I have installed VirtualBox through the software centre, but when I try to start a VM, I get the following error: Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver ...
245
votes
21answers
190k 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 ...
402
68
votes
8answers
148k views

How do I install Python 3.3?

I have downloaded Python 3.3 from the official site but no idea how to install it. I'm using Ubuntu 12.04
112
votes
10answers
122k 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: ...
143
votes
4answers
102k views

How do I turn on workspaces? (Why do I only have one workspace?)

It appears that Unity on Raring only comes with a single virtual desktop (aka workspaces) by default, and CCSM's Wall plugin has no way to add more. Is this configurable at all?
87
votes
16answers
185k 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?
353
262
votes
11answers
408k views

How can I configure Unity?

Are there any configuration options for the Unity desktop? There are multiple valid answers for this question spanning over several versions of Ubuntu. For your convenience an index of each below ...
174
57
votes
4answers
104k views

Complete Installation Guide for Android SDK / ADT Bundle on Ubuntu

What all needs to be done to install Android SDK / ADT Bundle on Ubuntu? Each of the steps in the answer was found on some different forum as I encountered obstacles getting started with my Android ...
153
votes
3answers
273k 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 ...
40
votes
9answers
119k 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.
55
votes
15answers
80k 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 ...
25
votes
5answers
109k views

How do I fix a “Wireless is disabled by hardware switch” error?

I just updated to Ubuntu 12.04 from 11.10 but soon after updating I was disappointed to see that Wireless is disabled by hardware switch. I can not click the button 'Enable wireless' which is ...
78
votes
6answers
255k 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 ...
239
199
votes
13answers
193k 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 ...
123
votes
6answers
188k 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 ...
260
votes
7answers
279k 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, ...
143
votes
14answers
103k 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, ...
31
votes
4answers
118k 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 ...
195
votes
29answers
185k views

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

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 ...
324
10
votes
2answers
97k 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 ...
280
73
votes
7answers
249k 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 ...
61
votes
7answers
58k views

Is FFmpeg missing from the official repositories in 14.04?

I tried to install ffmpeg in trusty/Ubuntu 14.04 and got the following message: $sudo apt-get install ffmpeg Reading package lists... Done Building dependency tree Reading state ...
244
votes
14answers
195k 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 ...
32
votes
10answers
60k views

How do I resolve a “Cannot open shared object file libudev.so.0” error?

Trying to run Game Dev Tycoon on Ubuntu 64. It asks for the above object. I ran sudo apt-get install libudev1:i386 and it came back already installed. I have /lib/i386-linux-gnu/libudev.so.1 but no ...
21
votes
6answers
65k 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? This happened in Virtualbox! I'll ...
101
votes
9answers
196k 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 ...
64
votes
15answers
139k views

Higher screen resolution for VirtualBox?

I have been trying this for a while but no luck. I installed ubuntu-11.10-desktop-i386 twice. Also installed guest additions. However I always get maximum screen resolution as, 1024 x 768. Do I need ...
16
votes
1answer
190k 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 ...
175
votes
12answers
51k 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 ...
29
votes
2answers
27k views

cannot change screen size from 640x480 after 14.04 installation on VirtualBox OSX

After installing Ubuntu 14.04 guest on VirtualBox running on a Max OSX host, I am stuck with 640x480 screen resolution. Adding guest additions again doesn't help. Previous Ubuntu installations are ...
62
votes
9answers
222k views

How to burn a .iso to a USB device?

I want to burn a Windows ISO to a USB device in Ubuntu. How do I do this? I know how to burn a Ubuntu ISO into a USB device, but with a Windows ISO it's not the same.
205
180
votes
3answers
248k 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?
36
votes
9answers
186k views

How do you run Ubuntu Server with a GUI?

Trying to run a Ubuntu server for the first time.. But everything is in a terminal, is there a way to switch to a Gui? Also, the server doesn't have direct access to the internet.. So, is there a way ...
247
62
votes
7answers
203k 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 ...
6
votes
3answers
36k views

How to type the Indian Rupee Symbol?

I want to type the Indian Rupee Symbol. So I went to System Settings >> Keyboard Layout and clicked on the Options button. Under the Adding Currency signs to keys sections, I checked the Rupee on 4 ...
24
votes
2answers
97k 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 ...
59
votes
8answers
191k 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 ...
25
votes
1answer
58k views

How do I do a complete BIND9 DNS Server Configuration with a hostname?

I need a complete step-by-step guide on how to produce such a server configuration. Can anyone help-me?
255
110
votes
8answers
192k 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 ...
59
votes
2answers
114k 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?
57
votes
4answers
237k views

How do I rename a directory via the command line?

I have got the directory /home/user/foo and I want to rename it to /home/user/bar. How can I do this in a terminal?
32
votes
10answers
63k views

How can I move all the window controls to the right (or left)?

Downloaded Ubuntu tweak and set window controls to the right side. Only some programs follow the rule. Pidgin as an example has window controls on the right. But Chrome, Thunderbird, Geany, still have ...
321
266
votes
40answers
159k 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 ...
129
votes
6answers
71k 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 ...
29
votes
6answers
54k views

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 ...
161
votes
4answers
137k views

How do I determine the total size of a directory (folder) from the command line?

Is there a simple command to display the total aggregate size (disk usage) of all files in a directory (folder)? I have tried these, and they don't do what I want: ls -l, which only displays the ...
28
votes
10answers
233k 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 ...
208
17
votes
15answers
89k 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 ...
18
votes
3answers
173k 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 ...