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1500 questions
136
votes
8 answers

How do I install Adobe Acrobat in Ubuntu 16.04?

I know the thread How do I install Adobe Acrobat Reader deb package downloaded from Adobe website? However, there is no Linux anymore in the installation site here. Unsuccessful attempts I do DriraWassim's proposal which does not add anything to…
Léo Léopold Hertz 준영
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136
votes
12 answers

Is there BitTorrent software that runs in a terminal?

I want to deploy it on my VPS server to download resources quickly. This could save me a lot of time since some resources are in a foreign country,
mlzboy
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136
votes
7 answers

Why are swap partitions discouraged on SSD drives, are they harmful?

I often read that one should not place swap partitions on a SSD drive, as this may harm the device. Is this true? Can you please explain the reason to me? Because I otherwise would have thought that placing swap on an SSD is the best choice, as it's…
Byte Commander
  • 107,489
136
votes
9 answers

GLIBCXX_3.4.20 not found, how to fix this error?

Whey I try to run the program Layout Editor (available on this site) on Ubuntu 14.04.1 64-bit LTS I get the following output in the terminal: $ layout layout: /usr/lib/x86_64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by…
Vesnog
  • 2,273
136
votes
4 answers

How to save a file using nano

I am trying to install Java via the terminal using the guide How to Install Oracle Java JRE on Ubuntu Linux. Everything went perfectly fine until "Step 11: Save the /etc/profile file and exit": I spent maybe 30 minutes figuring out what ^ means…
user288690
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136
votes
10 answers

How to set up USB for Virtualbox?

I'm using Ubuntu Maverick and Virtual Box 3+. I have Windows 7 Ultimate. The problem is that it doesn't detect USB drives in Windows 7, but USB peripherals (mouse + keybord) are working. I followed these instructions, but I can't find the user group…
kst
  • 1,483
135
votes
12 answers

How can I set default terminal used in Unity?

How can I set the default terminal used in Unity? I would like to use the Ctrl+Alt+T hotkey to start a non-default terminal. The default terminal is gnome-terminal. Where can I change the default terminal value?
Regisz
  • 2,180
135
votes
3 answers

How do I set 'nomodeset' after I've already installed Ubuntu?

I know that editing the boot options line and adding 'nomodeset' solves the problem of my laptop during LiveCD mode, what I don't know is how to set it at boot up through Grub2 after I've installed Ubuntu. So, my question is; how do I set nomodeset…
Dante Ashton
  • 5,505
135
votes
5 answers

Mouse cursor flickering and disappearing

I installed Ubuntu today and since the first start up I have a problem with the mouse cursor. It starts randomly disappearing and flickering a lot. I have searched for a solution on Google and here but didn't find anything.
user203715
  • 1,361
135
votes
4 answers

How do I force SSH to only allow users with a key to log in?

I tried following the instructions here: http://lani78.wordpress.com/2008/08/08/generate-a-ssh-key-and-disable-password-authentication-on-ubuntu-server/ to only allow users with a public key on the server to authenticate, but I can't get SSH to…
user193805
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135
votes
3 answers

How to change history size for ever?

The default size of history in Ubuntu is 1000 but it's too small. I want to change it to 10000, So I append export HISTSIZE=10000 export HISTFILESIZE=10000 to '~/.profile' and 'source' it source .profile then I run echo $HISTSIZE echo…
Mitoxys
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135
votes
5 answers

Why choose a low latency kernel over a generic or real-time kernel?

After installing Ubuntu Studio 12.04, I have found that it uses a low latency kernel. I searched for an explanation and how to change back it to a real-time or generic one. However, it looks like this part of Linux hasn't been covered to explain…
Starx
  • 5,263
134
votes
1 answer

The following signatures couldn't be verified because the public key is not available: NO_PUBKEY

When I run apt-get update, I get this error message: Err:18 http://dl.google.com/linux/chrome/deb stable Release.gpg The following signatures couldn't be verified because the public key is not available: NO_PUBKEY…
Billal Begueradj
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134
votes
15 answers

How do I set the default program?

How do I set the default program that I use? I have tried to open System Info → Default Program → change my program, but it won't work, Any idea? Or should I use Terminal? I want to replace the default movie player with VLC media player, because…
Halim
  • 1,351
134
votes
4 answers

I want to copy a directory from one place to another via the command line

I want to copy a directory from one place to another folder. sudo cp is the command, but after that what should I type? The destination or source first?
pradeep
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