If you may get an error - Drizzle requires gperf to build while configuring drizzle database on CentOS system,

Drizzle database is fork of MySQL, an open source and written in the c++ programming language. Drizzle is a client - server architecture and uses SQL as its primary command language. This can support Linux, Mac OS X, and Solaris.

You may get an error are Yum attempting to Update or when you installing Packages, 404 Error Returned.

On the previous post described add known hosts automatically and this is multiple ssh login with the execute the command once logged.

If your want to hash a password use mkpasswd command, it is very helpful to generate encrypted password through Linux command,

PNGquant is one of best tool for lossy compression of PNG images. Its reduce the PNG image size upto 70% and maintain full alpha transparency.

Need to install firewalld in your system, run the following command as root access.