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1500 questions
197
votes
7 answers

Why don't the Ubuntu repositories have the latest versions of software?

Why are packages in the official Ubuntu repositories older than the latest (upstream) versions from Debian Sid, PPAs, the authors, etc.?
Thomas Ward
  • 74,764
197
votes
9 answers

How can I execute a .jar file from the terminal

I know that to execute a file, I use the . command, then the file name with a space between them. But I'm trying to execute a .jar file using the . and it does not work. I went into the properties and marked it as executable and made it run with…
jaorizabal
  • 3,748
196
votes
6 answers

Any app on Ubuntu to open and/or convert HEIF pictures (.HEIC, High Efficiency Image File Format)?

A certain cellphone maker has changed the default format of taking pictures to HEIF (.HEIC, High Efficiency Image File Format), without asking the users (although there is still the option to use jpeg/jpg). Is there an app/program on Ubuntu that…
Filbuntu
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196
votes
7 answers

How to kill all tmux sessions (or at least multiple sessions) from the CLI?

How to kill all tmux sessions (or at least multiple sessions) from the (Ubuntu) CLI? When I do ps aux | grep tmux I see 3 processes: UU 2970 0.0 0.0 19556 1228 pts/0 S+ 02:48 0:00 tmux UU 3445 0.0 0.0 12944 988 pts/5 S+ …
user423047
196
votes
9 answers

Is there any Sound enhancers/equalizer?

What I am looking for is to have system wide implementation of sound enhancements like bass boosts, echoes, Fidelity, Stereo enhancement and so on. Audio Video players have their own equalizer but they enhance only the audio / video files they are…
user15873
  • 2,063
196
votes
8 answers

How to avoid using sudo when working in /var/www?

I want to stop having to use sudo everytime I work in /var/www. How can I do that? I simply want to put all of my sites into this directory and work with them without too much pain.
TaylorOtwell
  • 2,095
195
votes
4 answers

Keyboard locks in IntelliJ IDEA on Ubuntu 14.04

Could you help me with hell of a weird issue? I use Intellij IDEA 13 on Ubuntu 14.04, and from time to time my keyboard completely (yep, completely, it's not about shortcuts) locks in IDEA. I still can do anything I want in IDEA with my mouse, also…
Treble Snake
  • 2,053
195
votes
10 answers

How can I reduce or increase the number of workspaces in Unity?

I was reading about how to get multiple workspaces in the mutter version of Unity, however since Compiz is replacing Mutter how do I go about adding and removing workspaces in Compiz version of Unity?
Marco Ceppi
  • 48,101
195
votes
6 answers

Moving folder and subfolder to another path

I need to move my folder with many subfolders to another path. I'm using putty and this is what I tried: MV -r fromflderpath tofolderpath What am I doing wrong?
ram
  • 2,061
195
votes
5 answers

Disable auto-opening nautilus window after auto-mount

Every time I plug a USB stick in, nautilus opens a new window with the contents of the drive. I would like to disable this auto-opening of the nautilus window, but I would like the actual auto-mount to keep working. Is this possible?
Anton Cherkashyn
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194
votes
14 answers

No more disk space: How can I find what is taking up the space?

I've run into a problem on one of my servers running 16.04: there is no disk space left. I have no idea what is taking up the space. Is there a command to list the current directory sizes, so I can traverse and end up in the directory taking up all…
Karl Morrison
  • 9,476
194
votes
10 answers

Changing default crontab editor

I am trying to change the default editor from nano to vim. I have run the following commands: sudo update-alternatives --config editor and update-alternatives --config editor Both now output: Selection Path Priority …
austinbv
  • 1,923
194
votes
3 answers

How do I list the members of a group?

How can I see all the members of a group in Linux?
fratrik
  • 2,725
194
votes
25 answers

How to fix "W: Duplicate sources.list entry"?

I keep getting this warning whenever I try to run sudo apt-get update. W: Duplicate sources.list entry http://archive.ubuntu.com/ubuntu/ precise-updates/main i386 Packages…
hsinxh
  • 3,190
193
votes
14 answers

How to install Android Studio on Ubuntu?

Please tell me the full process of installing Android Studio and its necessary dependencies.
aminul haque
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