Introduction to Linux
What Is Linux
If this is the first time that you are going to use Linux you must read this article.
What Is a Linux Distribution
All the programs that are wrapping the Linux Kernel (the operating system core) plus the kernel itself forms a software group called Linux Distribution. This article shows the main differences between the different Linux Distributions: Fedora, Centos, Red Hat, Debian, etc...
A Timeline of Linux
From minix until today, the entire Linux history.
A comparison of Linux and Windows
If you are Windows user you must read this article. You will never be the same person after reading ...
Linux server configuration
Optimizing Linux System Performance
In this article you can find the most useful tricks to tune your Linux server.
Defending Your Site Against Spam
As email sysadmin one of your main responsibilities is fighting against SPAM. In this article you can find the basic rules that you must follow in order to win the war against SPAM.
A Linux Quick Reference to Useful Commands
Useful list of the most used commands in daily Linux sysadmin work.
Ksplice: Upgrade / Patch Your Linux Kernel Without Reboots
From now after a kernel upgrade will not be necessary a reboot if you are using ksplice. Debian , CentOS and Red Hat Linux distributions can use this magic tool.
Linux server security
Lear how to prevent DoS attacks following basic security configuration to your Linux server.
Secure Your Linux Server
If you are planning to connect your Linux server to the Internet you must read this article first.