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

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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.

Red Hat 6 (RHEL) run levels

The idea behind SysV init runlevels revolves around the idea that different systems can be used in different ways.

Switching to a GUI login on RHEL 6

To switch to a graphical environment, you may need to install additional software from the RHEL Internet repository or installation DVD.

Using netstat to troubleshoot linux networks

netstat is a useful tool for checking your network configuration and activity. It is in fact a collection of several tools lumped together.