A collection of system administration hints and tips, tricks and articles for the Linux operating system in all its variants.

Latest posts

SSH related commands

A short article which provides a brief description for ssh related commands

Changing UIDs and GIDs for a user

A quick procedure to change the UID and GID for a given user using the usermod and groupmod commands.

Creating a local yum repository for Puppet

Puppets automated management of installed applications and libraries can be enhanced with custom package repositories such as a custom repository.

Changing Oracle Enterprise Linux hostname

Either due to cloning or corporate naming standards, you may find the need to change the hostname of an Oracle Enterprise Linux System.