Xen, Virtually in Linux
The current rage is virtualization, which, of course, is nothing new — as old-timers raised on the IBM's Virtual Machine (VM) OS and Logical Partitioning (LPAR) will attest.
Tip of the Trade: Linux Certs That Make a Difference
The computing world is chock-full of certifications of all kinds, and there is no doubt that the many hundreds of available certifications are beneficial to only the testing industry. Even the rugged individualistic Linux world has its share. But is it worth your while to acquire Linux certifications? As always, the answer is 'it depends.' Certifications have two benefits: They reassure customers or potential employers that you are qualified, and you receive some organized training.
Tip of the Trade: strace
When a Linux or Unix program fails to run and does not offer anything helpful in the way of error messages, the resourceful admin typically resorts to Google searches and haunting user forums to find answers. This often entails a fair bit of hit-or-miss diagnosis, which is the most time-consuming and frustrating part.
Automate Linux Installs With Debian Pre-Seeds, Part 2
Plugging a new PC into your network, going out for a healthy walk, and returning to a completed operating system installation is one of life's little pleasures. Remember, laziness is a virtue in network administration. Hamsters spend their lives running the same circles. Network administrators automate repetitive tasks.
Agustin's Linux Manual(Volume 1 - Installation and Internet.)
This book has been written to help all of those who are interested in learning, are open minded and loves freedom. The book is written especially to assist educational institutions to teach people who have zero knowledge of Linux and perhaps for those who can not afford the pricy schooling but want to become a well respected system administrator.
Agustin's Linux Manual(Volume 2 - System Administration.)
The book takes one step by step from installation to system administration. It teaches how to set up Apache web server, Bind DNS server, Postfix email servers, Samba server and of course security. It gives you details on how to close unnecessary ports. It covers configuration on the Squid proxy server and demonstrates many of the available utilities that will assist you in system administration
Agustin's Linux manual(Volume 3 - Multimedia and Hardware Installation.)
Agustin's Linux manual(Volume 4 - Networks and Servers. )
Loads of info on installing Linux.
Linux Command Line
Using the Linux command line.
Howto Set Up Multiple Network Schemes on a Linux Laptop - Free eBook Howto Set Up Multiple Network Schemes on a Linux Laptop - Download ebook Howto Set Up Multiple Network Schemes on a Linux Laptop free