Get a daily overview of your system with Logwatch

Fedora, Red Hat Enterprise and CentOS systems (and possibly more distributions too) ship with a tool called Logwatch. Logwatch is absolutely invaluable if you're running a server of any kind as it allows you to stay up-to-date with what's going on inside your system.

As the name suggests, it watches the system's log files. Every day it will send you a digest email containing bits of information ...

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Learning the vi editor

The vi editor is one of the Unix text editing tools which goes back a long way. It's a very powerful editor, but that also means it can take quite a bit of time to learn and get used to.

There is actually a wikibook on the subject available at the Wikibooks site. It goes through how to use vi (usually one of its modern enhanced incarnations, like vim ...

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Getting DNS information with dig

There exists a neat little tool in Unix command line toolbox called dig. The dig tool is designed to allow you to pull up DNS information and can be useful if you're having network problems, or messing around with your DNS.

You invoke dig by running it from the terminal. You need to give it a domain name for it to look up.

$ dig fosswire.com

This throws up ...

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