Paint your command outputs with rainbow color! Use lolcat (Ruby gem) tool and add some spice to black putty terminal!
Understand step by step how RHEL6 system boots. Walk through of RHEL6 boot process which lists all the tasks, activities happens during boot.
Learn how to disable SELinux in most of the Linux distro. Understand what is SELinux; why and when you require to disable it.
Post stating point wise differences between LVM and LVM2 explained. This is one of the frequently asked question for Linux interview.
Learn how to recover forgotten root password in Linux RHEL. Step by step procedure to reset root password by booting system in single user mode.
Understand what is ulimit? How to set it? Which all system resources can be limited using ulimit control? and how to view current ulimit settings.
Learn how to zip unzip files and directories in Linux or Unix. Compressing files helps in log management and makes data transfer easy.
Learn how to change process priority in Linux or Unix. Using renice command understand how to alter priority of running processes.
Learn how to resolve mount.nfs: Stale file handle error on Linux platform. This is Network File System error can be resolved from client or server end.
Learn 9 different account password policies in Linux. Understand how to view them, how to change them and what are their impact in user management.