Thanks Irish for this one:
By the end of this series of tutorials, you'll have the knowledge you need to become a Linux Systems Administrator and will be ready to attain an LPIC Level 1 certification from the Linux Professional Institute. Even for those not preparing for the certification exam, these tutorial are useful for Linux users who want to build stronger Linux skills.
LPI certification 101 prep, Part 1 - Linux fundamentals
LPI certification 101 prep, Part 2 - Basic administration
LPI certification 101 prep, Part 3 - Intermediate administration
LPI certification 101 prep, Part 4 - Advanced administration
LPI certification 102 prep, Part 1 - Compiling sources and managing packages
LPI certification 102 prep, Part 2 - Configuring and compiling the kernel
LPI certification 102 prep, Part 3 - Networking
LPI certification 102 prep, Part 4 - Secure shell and file sharing
By the end of this series of tutorials, you'll have the knowledge you need to become a Linux Systems Administrator and will be ready to attain an LPIC Level 1 certification from the Linux Professional Institute. Even for those not preparing for the certification exam, these tutorial are useful for Linux users who want to build stronger Linux skills.
LPI certification 101 prep, Part 1 - Linux fundamentals
LPI certification 101 prep, Part 2 - Basic administration
LPI certification 101 prep, Part 3 - Intermediate administration
LPI certification 101 prep, Part 4 - Advanced administration
LPI certification 102 prep, Part 1 - Compiling sources and managing packages
LPI certification 102 prep, Part 2 - Configuring and compiling the kernel
LPI certification 102 prep, Part 3 - Networking
LPI certification 102 prep, Part 4 - Secure shell and file sharing