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1500 questions
117
votes
4 answers

How do I restore .bashrc to its default?

I've been trying to install Android developer tools on Eclipse, and I followed the information in this video . Like the video said, I added the following two lines of code to the .bashrc file: export PATH=$(PATH):-/android-sdk/tools/ export…
nanananana
  • 1,285
117
votes
5 answers

How to add a user without /home?

I want to create a new user to run a service on the system but don't want to have /home and other configuration files for it. Like there is a user for postgres but it doesn't have any /home directory.
Owais Lone
  • 7,543
117
votes
10 answers

How can I create launcher icon for PhpStorm?

I have PhpStorm on my PC, to launch it I have to go to phpstorm/bin/ and launch phpstorm.sh, how can I pin this to launcher so that I dont have to go into folders every time?
Chelios
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117
votes
13 answers

Adding timestamps to terminal prompts?

I was wondering if it was possible to add timestamps to terminal prompts, and if so, how could I achieve this?
Jan Gorzny
  • 1,273
117
votes
7 answers

How can I free space from a massive 39.5GB /var/log/ folder?

I just got a message from the default disk analyses software (Baobab) that I only have 1GB left on the hard drive. After some search, I found that the /var/log/ folder is the cause of this. Some file/sizes in /var/log/ : kern.log = 12.6 GB ufw.log =…
blade19899
  • 27,004
116
votes
9 answers

How can I configure Unity's launcher auto-hide behavior?

This has been an issue for me with Unity since its release. I'd like to make the the launcher auto-hide. Especially on Netbooks, where screens are small, the launcher is quite wide, making it difficult to properly display some websites and other…
wilsonliam
  • 1,325
116
votes
5 answers

How do I login as root?

I want to login as root, but when I enter sudo -s and enter password, this message is shown: "you are not in sudoers file", and when I enter su and enter password, this is shown: "authentication failure". My os has one account only. about past1…
ava
  • 1,163
116
votes
5 answers

Why are some systemd services in the "masked" state?

When I run the command sudo systemctl list-unit-files (I think the sudo is optional), I get output which shows all services and their state. Here is a snippet from my machine: UNIT FILE STATE ... debian-fixup.service static debug-shell.service…
knb
  • 5,342
116
votes
6 answers

How to completely remove virtualbox

I had installed VirtualBox but it started giving me problems. So I uninstalled it using:- sudo apt-get remove virtualbox-\* sudo apt-get purge virtualbox-\* But when I reinstalled VirtualBox it again resumed to previous settings and started giving…
Manish Sakpal
  • 1,301
116
votes
27 answers

Can not connect to PostgreSQL listening on port 5432

I installed the Bitnami Django stack which included PostgreSQL 8.4. When I run psql -U postgres I get the following error: psql: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix…
Assaf Lavie
  • 2,223
116
votes
11 answers

How to install Anaconda on Ubuntu?

How to install Anaconda for Python on Ubuntu? Is there a way to use apt-get install ? I only have command line access to my server. How do I install Anaconda on Ubuntu 14.04 from the command line?
alvas
  • 3,027
116
votes
9 answers

How can I install Ubuntu without CD and USB?

I want to install Ubuntu on my laptop that doesn't have a CD-ROM drive and I have no spare USB disk. I've tried Wubi, but that doesn't seem to work (since it prompts me to have the CD in the drive, which I don't have). How can I install Ubuntu,…
user294273
  • 1,171
116
votes
8 answers

Remove First n Lines of a Large Text File

I need to remove the first 42 lines of a 2GB SQL dump. I know I can view the first lines using: head -n 44 dump.sql But is there anyway to edit or remove them?
Kohjah Breese
  • 2,931
116
votes
7 answers

How To Enable WebGL In Chrome On Ubuntu?

chrome://gpu/ And http://webglreport.com/ google-chrome --version Google Chrome 27.0.1453.93 http://www.chromeexperiments.com/webgl How To Enable WebGL In Chrome On Ubuntu ?
Qasim
  • 22,162
116
votes
9 answers

Increase mouse wheel scroll speed

As the title says, I want to increase the number of rows that are passed when I use the mouse wheel for scrolling. I know that there exists ways to do that for Firefox and Chromium, although I want something for the entire system, mainly because of…
Rodrigo Oliveira
  • 6,222
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