November 2015
Beginner
282 pages
5h 5m
English
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Configuration files
Configuration or config files are regular files that contain settings for an application. During the initial stage of execution, many applications in Linux and UNIX read settings from config file(s) and configure the application accordingly.
Viewing and modifying configuration files
Configuration files are generally present in the /etc/ directory and can be viewed using the cat command.
For example, consider viewing the resolv.conf config file:
$ cat /etc/resolv.conf
# Generated by NetworkManager search WirelessAP nameserver 192.168.1.1
The resolv.conf file contains the order in which to contact DNS servers.
We can also modify a configuration file to meet our requirements. For example, we can add another DNS entry in the /etc/resolv.conf ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.