In this post we will learn how to configure chap authentication on cisco routers .
CHAP stands for Challenge Handshake Authentication Protocol, that verifies the identity of the peer by means of a three way handshake. Network admins configure chap authentication on routers because it provides Continue reading →
In this post we will learn how to configure loop back interface on cisco routers . Loop back interface are virtual interfaces in cisco routers .They cannot be physically seen but exist and also it never goes down until the whole router is down .
In this post we will learn what is vlan and how to configure vlan on cisco switches . Also how to communicate between vlan using trunk . Vlan are used mostly in colleges or small offices to that different departments can’t able to make access to different department .
In this post we will learn how to create script file and also how to run it in linux .Shell script is a program designed to run in linux . Imagine everyday you have to run many commands . But in script file just type whatever commands you want to run only for one time and save it . Then you Continue reading →
In this post i’ll show you how to block all users to login and also how to lock pendrive/usb in linux . Sometimes we doesn’t want anyone to enter to our system through usb port and use usb drive to copy our data or Continue reading →