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Weekend Project: Monitor Your Server with StatusNet Updates

Summer is almost here; do you really want to spend it sitting indoors and monitoring the health of a running server or daemon? Rather than resign yourself to that fate, why not set up your system to post important messages, from regular status updates to emergency messages, through a microblogging service like Identi.ca? It's easier than you might think.

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Install and Configure a Postfix Mail Server

Knowing how to set up a mail server on a Linux machine is an important task any Linux admin should know. And of course, in the spirit of all things Linux, there are a number of ways you can go in order to get that mail server up and running...

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Understanding Linux File Permissions

Although there are already a lot of good security features built into Linux-based systems, one very important potential vulnerability can exist when local access is granted - - that is file permission based issues resulting from a user not assigning the correct permissions to files and directories. So based upon the need for proper permissions, I will go over the ways to assign permissions and show you some examples where modification may be necessary.

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Streamlining Software Installation with PackageKit

Software packaging is one of Linux greatest strengths and weaknesses. If all or most of your software comes from your Linux distribution, managing software installs, updates and removal are a piece of cake. But, it can be a fragmented landscape that is confusing for users and annoying for developers and vendors. PackageKit is an attempt to solve some of that.

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Weekend Project: Transition to IPv6

Internet Protocol version 4 (IPv4) has certainly served the world well over the past few decades, but that's no reason to cling to it until the bitter end. You can start using its replacement IPv6 on your Linux machines and home network today.

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