SAR command is collect and report system activity in the operating system, easily to get system status number of times spaced at the specified intervals in seconds. Analysis of load values of different sub-system process like, CPU, Network interface, Memory Usage, Load and etc.

Samba server is an open source package very helpful to connect and access windows based files and printer shares. Samba implementation of the Server Message Block protocol.

We have already discussed about Nagios server and client installation and configurations, If you may get an error on Host Status,

Linux oriented operating systems affected vulnerability, possibilities for remote attackers to access complete control of a system,this vulnerability is a critical and attacks many servers. Its works for buffer overflow bug in glibc's function.

Samba is an open source binary packages, which is used for file shares between Linux and Windows operating system.

We already known about teamviewer remote control in both Linux and Windows. We have already discussed installation of teamviewer9 version in Ubuntu.

Apache, PHP and MySQL is an open source web based software's and the world's most widely used it.