Questions about files beneath `/etc`: How to handle them, how they are important, how to make backups, how to find important information.

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9
votes
1answer
6k views

How to run a script when suspending/resuming? - Sony VAIO Ubuntu 12.04

Question: How to assign a script to run when selecting the suspend option on the power menu? Context: I have a Sony VAIO laptop with an AMD Radeon graphics card. I would like to be able to disable/...
1
vote
3answers
8k views

How to reset default permissions for /etc?

By mistake I have made permission changes for /etc. Now it's giving me the following error message: bash: /etc/bash.bashrc: Permission denied I have no name!@chandan-Inspiron-5520:~$ sudo /etc/init....
7
votes
3answers
6k views

Sound only works from left speaker?

After installing Ubuntu 13.04 x64, I realised that my sound wasn't working (only headphone showed up in settings). Following this guide, I manually added my Dell Studio 1740 audio hardware to: ...
3
votes
1answer
2k views

What's the difference between the “group” and “group-” file?

I know what the /etc/group file is for, but I'm also seeing a /etc/group- file. What's the difference between the two? The same group names and ids appear in both files. Only the last column (users) ...
2
votes
1answer
2k views

recover /etc/apt/preferences.d

I’m new to Ubuntu but not so noob .. I learn fast and I have a dream to be a developer .. I break up with windows and jump into the world of Unix . So what I did is that I had the duplicate ...
2
votes
3answers
11k views

/etc/profile permission denied

I'm running an Ubuntu 12.04 LTS partition and I've recently have had issues logging in. From the GUI login screen, when I enter my username and password, it takes me right back to the login screen. ...
7
votes
2answers
1k views

Is there an application to manage config files in the /etc folder with version control software?

I want make version control for config files in Ubuntu server. But I found out it's not easy for simply "git" whole etc folder, because so many file doesn't need to track and some time system will ...
18
votes
1answer
7k views

What is the purpose of /etc/default?

I've assumed /etc/default was a handy place to save the post-install/default state of configuration files so that when some poor sysadmin arrives at a new system she can quickly determine what has ...
5
votes
3answers
3k views

“Pointers” with $ Syntax in /etc/environment

Is it valid to have "pointers" in /etc/environment using $FOO syntax? Right now my /etc/environment looks like this: JAVA_HOME=/usr/lib/jvm/java-6-openjdk MAVEN_HOME=/usr/bin/apache-maven/apache-...
5
votes
1answer
461 views

Why do some some files in /etc have a numeric prefix?

For example look in /etc/apt/apt.conf.d/ all files have a numeric prefix. What is the reason? I have seen this many times and always wonder. Is it just for the sake of ordering?
3
votes
1answer
4k views

How to fix Xubuntu LightDM Theme after installing unity.

After successfully installing Xubuntu 12.04.1 on my laptop, I decided to install Unity. That went OK but then I realized there was no themes. So then I installed the themes and artwork, and got a ...
1
vote
0answers
64 views

What's the best way to resolve “read permission” error when including /etc in backup? [duplicate]

Possible Duplicate: How do I open Deja Dup as root? Running Ubuntu 12.04 and using the built in Backup utility (Deja-dup) to back up /home and /etc every night. Some files in /etc fail with ...
0
votes
1answer
824 views

Wrong Permission to /etc folder [duplicate]

I given wrong permission to the /etc folder wrongly chmod -R 777 /etc While i want to login as root it gives me error and gives the following output. How can i give the correct permission and fix ...