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1500 questions
186
votes
24 answers

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 and will be closed per the FAQ. Is it possible…
186
votes
36 answers

What lenses for Unity are available?

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 AskUbuntu and will be closed per the FAQ. What lenses are…
Lincity
  • 25,371
186
votes
15 answers

How to make a sound once a process is complete?

I have started a long process through a terminal. Is it possible to make the Ubuntu terminal make a sound once the process is complete? This way, I don’t need to keep checking, but will instead be notified through a sound.
Goaler444
  • 1,973
186
votes
9 answers

How can I use a .ovpn file with Network Manager?

I have a .ovpn file with my VPN config - it works fine when I do sudo openvpn --config ~jrg/Documents/vpn-config.ovpn in the terminal, but I'd like to use Network Manager. How can I do this?
jrg
  • 60,611
186
votes
8 answers

I have a hardware detection problem, what logs do I need to look into?

I am trying to ask a question about getting my hardware to work but I don't know what information to add to my question to get help, what do I need to do? Related if you don't have access to a GUI: How do I get information from the logs on my…
Jorge Castro
  • 71,754
185
votes
8 answers

Force update from unsigned repository

I'm using an unsigned repo in Ubuntu 16.04 from Debian multimedia: deb http://www.deb-multimedia.org jessie main To install deb-multimedia-keyring, I'm running: apt-get update && apt-get install deb-multimedia-keyring -y This gives an error: W:…
Shan
  • 1,963
185
votes
12 answers

Enable fractional scaling for Ubuntu 18.04

I recently installed Ubuntu 18.04 and discovered that the fractional scaling option that was in 16.04 is no longer there. 200% is too big for my display, and this answer didn't work for me (the options didn't change after running the command). Is…
Mitch
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184
votes
12 answers

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!
Jeremy Bicha
  • 8,234
184
votes
8 answers

"kill " not really killing the process, why?

I am trying to improve my command line skills and I have encountered a problem where I cannot kill a process. I type kill 2200 where 2200 is my PID and the process is not killed. After few minutes wait is still in the top and ps aux. I have even…
Patryk
  • 9,146
184
votes
18 answers

How to permanently switch Caps Lock and Esc

How can I permanently switch the Caps Lock and Esc key functions in Saucy? I can use this command to do it temporarily (until reboot): /usr/bin/setxkbmap -option "caps:swapescape" I tried adding that command as a Startup Application, but it doesn't…
184
votes
1 answer

What's the difference between set, export and env and when should I use each?

Every so often I'll bash out a bash script and it strikes me there are a few ways of setting a variable: key=value env key=value export key=value When you're inside a script or a single command (for instance, I'll often chain a variable with a Wine…
Oli
  • 293,335
184
votes
6 answers

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 this file to /media/sda3/SkyDrive and do not want to…
Levan
  • 10,880
184
votes
12 answers

How do I reset my Unity configuration?

I've been messing around with Unity and broke something, how do I "start over"?
Jorge Castro
  • 71,754
184
votes
1 answer

What do VIRT, RES and SHR mean in the top command?

I've been learning about the top command. There are some terms on which I am confused. I need some clarification. What are the WA, HI, SI and ST terms in the CPU(s) row, and also VIRT, RES and SHR?
Ankit
  • 6,779
184
votes
17 answers

How to install NVIDIA.run?

I have a Nvidia Ge force Ge6150 SE graphics card. I am running ubuntu 12.04. When I try to install the .run file it fails. It shows the message like this: I tried to install it after uninstalling the old driver.still same message. Here is the log…
Kiranraj
  • 2,103