Learn what is tmpfs, what is the use of tmpfs, what is swap, what is the use of swap and differences between tmpfs, and swap.
Short tutorial explaining what is RAM disk and how to create a RAM disk in Linux. It also includes differences between ramfs and tmpfs.
Learn what is hostname, how to set hostname and how to change hostname in Debian and RedHat based Linux systems.
An article explaining how to tune kernel parameters in the Linux system using command or using a configuration file.
Paint your command outputs with rainbow color! Use lolcat (Ruby gem) tool and add some spice to the black putty terminal!
Understand step by step how RHEL6 system boots. Walkthrough of RHEL6 boot process which lists all the tasks, activities happen 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 the 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.