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

learn more… | top users | synonyms

1
vote
2answers
21 views

Number pair prefix to config files

I have noticed some config files having a prefix. E.g. Inside my /etc/php5/cli/conf.d: 05-opcache.ini 10-pdo.ini 20-curl.ini ... Could someone explain this? I am thinking something along the ...
0
votes
1answer
21 views

Is it safe to init a Mercurial repository on /etc?

My company has an external server, mostly managed by a 3rd party. Sometimes they do configuration changes but 'forgot' to tell us. I am thinking of tracking all changes to /etc. Is it safe to do hg ...
2
votes
0answers
28 views

Revert system fie premissions

I have mistakely changed the permission of the entire etc directory to 777. Now I'm getting frequent errors like ... is world writable! Is there a way to revert back to the default permission? ...
0
votes
0answers
27 views

Where are groups in /etc/group documented?

I am searching the web but I cannot find where the various groups in /etc/group are documented, what they are for, etc (on a Debian/Ubuntu system, at least). What are the implications of adding ...
0
votes
0answers
39 views

Network interface

I am having a problem with my network interface in Ubuntu 12.04 LTS. When I boot up, I always get a "booting up without full network configuratio" and I will not be able to connect. I have changed ...
0
votes
1answer
83 views

I've changed my login by manual editing the /etc/passwd and my former password is not recognised

I've modified the /etc/passwd by changing manualy mickey to mike such as: mike:x:1000:25357:mike:/home/mickey:/bin/bash Unfortunately, when I'm trying to log as mike, my former password in not ...
0
votes
0answers
242 views

Using OverlayFS to enable writing on a read only /etc

Is it a terribly bad idea to create a union mount, using OverlayFS, on top of /etc? I'm aiming to set up a system whereby a read-only root filesystem is installed on an SD card, with writeable areas ...
0
votes
1answer
229 views

The best way to create a root filesystem, split between read only and writable

My aim is to create a system where the main parts of the root filesystem are stored on a read-only SD card, with writeable parts located on an SSD set to rw. This is to be done with a view to keeping ...
0
votes
1answer
141 views

How to change hostname [duplicate]

I have updated my system's hostname in /etc/hostname file as master. I have also mapped my /etc/hosts file like <ip> master Still, when I type $ hostname, I get a different hostname. I ...
0
votes
0answers
38 views

Generally-accepted way of giving a user rwx permissions to /etc

I need a non-root user (say, myuser) to be able to have unbridled, recursive rwx access to /etc and anything underneath it. Hence if I execute, say: mkdir /etc/fizz I shouldn't receive any ...
0
votes
1answer
33 views

Prevent package manager recreating files in /etc/fonts/conf.d/

I use a bitmap font for my terminal windows. In order for this to work, I need to enable bitmap fonts. In /etc/fonts/conf.d/ there's a symlink called 70-no-bitmaps.conf to the matching configuration ...
0
votes
0answers
31 views

Can't find the /etc/modprobe folder

I had a problem with installing my graphics card driver, so I contacted NVIDIA suppprt. They told me to create a file in /etc/modprobe.d. folder. I cant find this folder, can anyone help me locate it? ...
0
votes
2answers
46 views

Changed permissions, now gnome is acting unusual

I'm the kind of guy who likes to make things easy for himself, and I believe I went too far. There was a single directory right under the / directory, but I cannot recall which one at the time, and I ...
1
vote
1answer
32 views

How to understand configuration files syntax?

Now I know this is a little abstract but how does one know how do edit a config file for example /etc/systemd/logind.conf how do you know what syntax is allowed and what not?
8
votes
1answer
1k views

What is etc/alternatives used for?

What does /etc/alternatives stand for? How and why is it used? I found gnome-tex-editor in /usr/bin which is linked as follows: /usr/bin/gnome-text-editor -> /etc/alternatives/gnome-text-editor ...
1
vote
1answer
37 views

/etc/group - group on last line not usable? Is it a bug?

$ cat -net /etc/group | tail -n 3 67 vboxusers:x:127:hannu$ 68 nvidia-persistenced:x:128:$ 69 $ $ a) With the lines as shown I get the profiling (System Settings > Color > ...
-1
votes
1answer
188 views

Perrmision denied after /etc/profile while installing Java

I am trying to install Java. I have to reload my system wide PATH /etc/profile by typing the following command: /etc/profile And then I get the error: bash: /etc/profile: permission denied Why do ...
0
votes
1answer
129 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 ...
0
votes
2answers
46 views

I can't make any form of editions in my etc folder

Every time I try to make an edition one that is required i keep getting access denied. I wanted to edit a text file I used notepad, access denied me from saving it. I used limbra, access denied me ...
0
votes
1answer
187 views

Brightness Save on Reboot

I have a problem where the brightness does not save after a reboot on 14.04 LTS, but I had the same problem on 12.04 LTS (before I broke the system). Before you say this is a duplicate of a million ...
0
votes
0answers
19 views

Is there a database with all default configuration files for each release?

I would like to see each configuration file in /etc for all packages, so I can compare the default configuration of one Ubuntu release with the next one. I need this to find a solution for the ...
2
votes
1answer
52 views

vi/vim/view /etc/alternatives loop

I wanted to understand the difference between the executables vi and vim. which has led me to /usr/bin/, and there I've found the following symlinks: /usr/bin/vi -> /etc/alternatives/vi ...
1
vote
2answers
783 views

what is difference between /etc/shadow and /etc/passwd

I think both files /etc/shadow and /etc/passwd are same? they just report some information about accounts.What is the difference betwwen them?
0
votes
3answers
2k views

how to edit lightdm.conf file and save it

hello everyone i was searching for login screens like mac and i got this one MAC OSX LOGIN SCREEN but i did everything correct and suddenly it said to edit /etc/lightdm/lightdm.conf this file ...
0
votes
2answers
20 views

Avoid initial full directory commit & rather add file to VCS just before modifying the file?

Could I put a certain file in some VCS like git/subversion/etc only "when" I am modifying it. So first I put the unmodified version & then the modified version. The desire is to put the file in ...
0
votes
1answer
863 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 ...
1
vote
3answers
3k 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. ...
0
votes
3answers
310 views

cannot block site through /etc/hosts

I'm trying to block site with configuring /etc/hosts file. sudo sh -c 'echo "0.0.0.0 http://youtube.com" >> /etc/hosts' but I still can access youtube from browser(s). even I changed the ...
1
vote
1answer
376 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 ...
1
vote
1answer
177 views

How can I prevent auto-mounting of a partition in fstab?

Previously, I prevented auto-mounting of a particular partition at boot by the following line in /etc/fstab UUID=<alphanumeric> /media/windowsHDD ntfs user,noauto 0 0 At some point in the ...
-1
votes
1answer
74 views

/ect/hosts file error

I am having some issues while running apt-get from my command line. I looked into some answers in askubuntu and found that we have to edit /etc/hosts file. The only entries present in that were more ...
1
vote
1answer
34 views

Sensible/correct way to edit the files provided by base-files package?

I understand the package base-files provides the Debian base system miscellaneous files such as /etc/issue, /etc/lsb-release (in the specific case of Ubuntu) or /etc/os-release. I'd like to know ...
3
votes
3answers
2k views

How to recover a deleted /etc/passwd?

I deleted the /etc/passwd file and cannot login now. I don't know the root password and tried lots of passwords, but none of them worked. How can I fix this?
0
votes
1answer
105 views

Why do I need administrative privileges to use chsh?

I was working on a Ubuntu system where I did not have administrative privileges, and I couldn't change shells (from tcsh to bash) using chsh. I solved the problem writing in the .tcshrc to open bash. ...
1
vote
2answers
393 views

No files in /etc/skel/ ; Can't restore .bashrc

I recently messed up my .bashrc file, which I mentioned in this question: Problem with installing Android developer files on Eclipse - messed up something with .bashrc, and I can't find a way to ...
0
votes
3answers
103 views

How do I see what PPA or PPAs are installed or in use

Sometimes I install good guy PPAs because someone on askubuntu says to use add-apt-repository . Later I wonder, where have they gone? Where can I find a list of Personal Package Archives that are ...
1
vote
0answers
89 views

Localhost port aliased

I wanted to use /etc/hosts to define "aliases" for multiple services localhosted like: 127.0.0.1 localhost 127.0.0.1:8080 machin 127.0.0.1:8081 truc But it doesn't seem to work, surely because ...
1
vote
1answer
103 views

Change the color of the text that appears at the beginning of startup

I would like to know how to make the "OK" in "[ OK ]" green, like there is displayed at the startup of OpenSuse: Starting xxxxxxxxxx [ OK ] <- Green Color Starting xxxxxxxxxx [ OK ] <- ...
4
votes
1answer
113 views

Keeping /etc folder on a remote server

I have etckeeper with default configuration (bazaar as VCS). I want to keep this repository on the remote server (for example on Amazon EC2 or, if possible, on Dropbox/Box.net/Ubuntu One). I tried to ...
-1
votes
1answer
523 views

No '/etc' Files Created during Apache Installation

I have installed Apache using the follow command: ./configure --with-apr=/usr/local/apr --with-apr-util=/usr/local/apr-util --with-pcre=/usr/local/pcre --enable-so make sudo make install Now ...
1
vote
0answers
28 views

What is the use for /etc/default/* when daemonizing a process

I have some configuration files under /etc/default and one of them is for a service that should be started at boot so I changed the configuration file to say: START=yes But I have scripts in ...
3
votes
1answer
470 views

How to make etckeeper use the right value for git author & email with apt-get

I'm using git with etckeeper. When I use sudo git to commit changes in /etc/, GIT_AUTHOR_NAME & GIT_AUTHOR_EMAIL from my env are used (as intended). When I use sudo apt-get and changes are ...
0
votes
1answer
85 views

/etc files keep reverting after changes

My problem is when I configure a file in /etc, for instance, I made changes , with sudo,in /etc/default/l2tp-ipsec-vpn-daemon well, after restarting I noticed the changes I made are not applied ...
1
vote
2answers
290 views

How to make changes of config under /etc folder to take effect?

I'm a rookie in Ubuntu and recently trying to learn Ubuntu. Now I encountered a very serious issue that for some reasons I need to update the configuration file like httpd.conf, hosts.deny and others ...
4
votes
2answers
3k 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: ...
2
votes
1answer
41 views

What does the [DEFAULT] written in the beginning of some files indicate and mean?

I have seen this especially in /etc folder, which perhaps means it should be the default configuration? P.S.: The main reason behind asking this is, adding [DEFAULT] to the top of file renders all ...
1
vote
3answers
3k 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 ...
0
votes
1answer
224 views

Editing MANPATH from /etc/environment

Having installed TeX Live on my system (by downloading and running the script from TUG's website: http://www.tug.org/texlive/acquire-netinstall.html), I tried editing the MANPATH variable by adding ...
1
vote
1answer
94 views

How can I backup the whole system status (not documents)?

I want to backup my system status, like Installed Packeges What's on my sidebar Grub Settings Kernel... in order to restore it in case of system crash. I don't care about my document, music, ...
2
votes
2answers
933 views

The system does not go down

/etc/init.d/.depend.stop My Ubuntu 12.04 The system shuts down normally not get error message can't not open / etc / init.d / .depend.stop no such file of directory See picture What can ...