Most Popular
1500 questions
163
votes
2 answers
What is the "show desktop" keyboard shortcut?
I just upgraded to 11.10 from 11.04. Previously the shortcut to show the desktop was Super +D (same as in Windows), But now it is not working. What is the new shortcut?
aneeshep
- 30,949
163
votes
13 answers
163
votes
2 answers
How to install Skype 4.3?
Note: The legacy Skype for Linux application (v4.*) is now discontinued and was removed from Canonical’s partner repositories, so this question and its answers are obsolete. Please refer to a newer answer of our canonical Skype installation…
tuxtu
- 3,175
- 9
- 30
- 44
163
votes
6 answers
How to add a PPA on a server?
The server version of Ubuntu does not have the add-apt-repository command. How can I add a Personal Package Archive (PPA) to the server without this command?
Luis Alvarado
- 216,643
163
votes
4 answers
What is the difference between `ssh -Y` (trusted X11 forwarding) and `ssh -X` (untrusted X11 forwarding)?
What is the difference between ssh -Y (trusted X11 forwarding) and ssh -X (untrusted X11 forwarding)? As far as I have understood it, it has something to do with security, but I did not grasp the difference and when to use which.
Martin Ueding
- 8,436
163
votes
5 answers
Why have both /mnt and /media?
It seems to me that having both /mnt and /media is a little redundant. Is there any tangible difference between the two that I'm not aware of?
Is there a standard that most people follow for where to mount things, e.g. use one for certain types of…
goric
- 3,916
163
votes
12 answers
How to determine whether a process is running or not and make use it to make a conditional shell script?
How can I determine if a process is running or not and then have a bash script execute some stuff based on that condition?
For example:
if process abc is running, do this
if it is not running, do that.
Nirmik
- 7,938
163
votes
7 answers
How do I change my timezone to UTC/GMT?
Currently when I execute the date command from bash I get the following displayed
Thu May 17 12:21:00 IST 2012
Below is my timezone config based on executing dpkg-reconfigure tzdata
Current default time zone: 'Europe/Dublin'
Local time is now:…
dmckenna
- 1,733
163
votes
8 answers
Pip is not working: ImportError: No module named 'pip._internal'
Running pip or pip3 results with:
Traceback (most recent call last):
File "/home/myuser/.local/bin/pip", line 7, in
from pip._internal import main
ImportError: No module named 'pip._internal'
I had issues with this, and uninstalled pip3,…
Keweik
- 1,731
162
votes
9 answers
After modifying /etc/hosts which service needs to be restarted?
After modifying /etc/hosts, which service(s) need(s) to be restarted for the change to take effect?
Ashish Karpe
- 2,557
- 3
- 20
- 24
162
votes
3 answers
Process 'niceness' vs. 'priority'
When running top, I can see this (shortened) example output:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4586 ipc-adm+ 20 0 1303900 605152 92844 S 30,6 29,3 3:52.88 firefox
3985 ipc-adm+ 20 0 258588…
Byte Commander
- 110,243
162
votes
3 answers
How do I install svn?
I am trying to install svn and am running into issues. The command I am running is sudo apt-get install svn. When I run this, I get the error "Unable to locate package svn". Why is this? How do I fix it?
coffee
- 1,621
162
votes
4 answers
How do I remove all files that match a pattern?
When I revert in Mercurial, it leaves several .orig files. I would like to be able to run a command to remove all of them.
I have found some sources that say to run:
rm **/*.orig
But that gives me the message:
rm: cannot remove `**/*.orig': No such…
JD Isaacks
- 5,497
162
votes
6 answers
How do I configure my DNS settings in Ubuntu server?
According to this page it appears to be simple. However, /etc/bind does not exist on the default installation of Ubuntu 12.04.3 LTS server.
So, without installing any further software, how can configure DNS and remove dnsmasq on ubuntu server? I am…
Asta-Risky
- 1,635
162
votes
14 answers
How can I change what keys on my keyboard do? (How can I create custom keyboard commands/shortcuts?)
I want to change the key bindings on some of the keys on my keyboard. I want some to run commands and others to activate different keys.
What applications can I use to do this?
Index:
Xbindkeys
Default keyboard and shortcut settings (from…
Seth
- 59,332