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1500 questions
197
votes
3 answers

Command to append line to a text file without opening an editor

Assuming i have a line that i want to add to a file without opening an editor. How could i append this line alias list='ls -cl --group-directories-first' to this file config.fish
NES
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197
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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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
6 answers

What are the differences between "su", "sudo -s", "sudo -i", "sudo su"?

I already read it from manual but I can't see difference.. su - change user ID or become superuser sudo -s [command] The -s (shell) option runs the shell specified by the SHELL environment variable if it is set or the shell as specified in…
Smile.Hunter
  • 8,735
196
votes
16 answers

How do I install the latest version of node.js?

How do I install the latest node.js on Ubuntu? I've been looking around, and I can't find anything. Is there a Ubuntu package for node.js , or do I have to compile it myself?
jrg
  • 61,787
196
votes
21 answers

Is there software that can fill PDF forms?

I have some PDFs which are actually forms, with fields to fill. Is there some software that can fill those fields?
Pablo Fernandez
  • 2,651
196
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
  • 299,936
196
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
  • 61,787
196
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
  • 7,009
196
votes
8 answers

How to set default Java version?

I followed all the instructions stated at this question , but am encountering some problems with the last part of it. I actually have version 6.22 of java and would like to update to version 6.30. So after moving the extracted directory…
Matteo
  • 2,357
195
votes
16 answers

Slow boot - "a start job is running for dev-disk-by..."

I don't recall when the issue started to occur but it's likely when I moved my VMWare Ubuntu image to an external SSD so that I can use the OS on any of my PCs. There aren't many links on Google about the issue but the ones that appear talk about…
cpd1
  • 2,503
195
votes
6 answers

unzip error "End-of-central-directory signature not found"

I try to unzip a zip file, but got an error: $ unzip COCR2_100.zip Archive: COCR2_100.zip End-of-central-directory signature not found. Either this file is not a zipfile, or it constitutes one disk of a multi-part archive. In the latter case the…
Tim
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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
  • 48,887
195
votes
13 answers

Screen Share Not working in Ubuntu 22.04 (In all platforms zoom, teams, google meet, anydesk , etc.,)

Ubuntu 22.04 has a bug which is we can't share our screen on any platforms.
Arun Raja
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