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1500 questions
222
votes
22 answers

Why is it bad to log in as root?

I've often come across posts on forums or other websites where you see people joking in such a manner about running/logging in as root as if it's something awful and everyone ought to know about it. However, there isn't much that a search reveals on…
Mussnoon
  • 5,046
220
votes
17 answers

How to customize the Ubuntu Live CD?

I would like to customize Ubuntu live CD by installing some additional packages. I have followed the Ubuntu help wiki guide but it doesn't seem to work. Can anyone provide clear instructions? I'm not keen to use Remastersys; I'd prefer a manual…
karthick87
  • 81,947
220
votes
7 answers

Find the correct php.ini file

I am currently trying to locate the correct php.ini file to edit it and restart apache so the changes will take place and I'm stumped. I have found three different php.ini files (no idea why there are three) this is how I found the files $ sudo…
Michael
  • 2,303
219
votes
16 answers

How to change tooltip background color in Unity?

In a lot of applications the tooltips are just plain ugly (White text on black background, way too much contrast) or even unreadable (black or dark blue text (Hyperlinks) on black background). I want to change the background color of the tooltips to…
kayahr
  • 4,159
219
votes
6 answers

How can I set up PyCharm to launch from the Launcher?

I have installed PyCharm on my brand new Ubuntu 13.10 laptop. To launch PyCharm, I find I must navigate to the directory that pycharm lives in, and execute it from there as such: cd home/matt/software/pycharm/bin sh pycharm.sh I hope this isn't…
tumultous_rooster
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219
votes
7 answers

Copying multiple specific files from one folder to another

I have a large folder of pictures (thousands), and I have a long list of files, by exact file name, that I need to copy to another folder. I want to know if there is a way I can select several specific files from this folder, by name, and copy them…
Someone with far too many pict
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219
votes
2 answers

How do I scan for viruses with ClamAV?

I installed ClamAV via Terminal (Ctrl+Alt+T) with: sudo apt-get install clamav but how can I scan for viruses?
BuZZ-dEE
  • 14,223
219
votes
23 answers

sudo apt update error: "Release file is not yet valid"

I keep getting this error every time I try to sudo apt update: Hit:1 ubuntu bionic InRelease Ign:3 linux/chrome/deb stable InRelease Get:2 /ubuntu bionic-updates InRelease [88.7 kB] Get:5 /linux/chrome/deb stable Release [943…
user897956
218
votes
7 answers

How to split larger files into smaller parts?

I have a large file (8GB for Example). How can I split it into multiple parts, let's say 3 equal parts, and after that how do I integrate them later?
karthick87
  • 81,947
218
votes
8 answers

How to find the frequency and type of my current RAM?

How shall I find out the frequency and type of my current RAM? My OS is Ubuntu 12.04.
Tim
  • 25,177
217
votes
7 answers

How can I make my shell prompt look like a cheeseburger?

I want my shell prompt to look like a cheeseburger! It would be nice if it also displayed: username, hostname, and current directory.
Corey Goldberg
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217
votes
5 answers

Difference between the i386 download and the amd64?

What is the difference between standard i386 download and the amd64 download of Ubuntu 11.04? I am currently running the i386 on an amd machine, would my system work better with the amd64 download instead? (my machine was running Windows 7 64bit,…
Rob
  • 12,820
217
votes
3 answers

BASH script to set environment variables not working

I have written the following script to set some environment variables when needed: #!/bin/sh export BASE=/home/develop/trees echo $BASE export PATH=$PATH:$BASE echo $PATH Below the command and the results I can see on my terminal: the script runs,…
MirkoZa
  • 2,281
217
votes
5 answers

How to read and write HFS+ journaled external HDD in Ubuntu without access to OS X?

I have a HFS+ journaled external hard-drive and need to be able to write to it on Ubuntu. I don't have access to my Mac, it's thousands of miles away and I won't have access to it for three months. Can anything be done without losing the data on the…
oppochips
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217
votes
18 answers

How to remove Ubuntu and put Windows back on?

I have absolutely no experience with Linux, and I desperately need to get my computer back up and running again with Windows. How do I remove Ubuntu and reinstall Windows? Editor's note: many of the answers are about removing Ubuntu from dual-boot…
Josev King
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