In Linux family operating system CentOS, RedHat, SuSe, Debian, Gentoo, Slackware, Ubuntu and etc. most of every operating system network configuration path is difference.

Changing IP address of an interface without rebooting or restart all network interface in Linux.

Can refresh the network connection without rebooting the system, Open the Command Prompt,

rc.d is very important directory, its contain Scripts or directories of scripts to run at startup. These scripts are automatically run at boot time. These files are,

We can upgrade or downgrade the packages using yum or rpm command in Linux and unix system. There are two way roll back an rpm,

If you may get an error while starting the tomcat server after configured SSL certification of your domain,

This post describes about how to list out Apache modules and security modules on Linux operating system.