In this tutorial we are going to learn how to build your own custom kernel with all settings configured by you .Also i would love to remind you that we will do all these process as root user . So lets start how to compile and install kernel and then use it .
In this post i will show you how to add port based security in cisco switches . When you are Network Engineer or Network Administrator the main problem you face is how to protect cisco switches . I have shown you how to add console password , auxillary password . But anyone can configure switches if they connect to the port of cisco switches . If you configure port based security no one else will be able to connect to switch except your pc .
In this post i’ll show you how to configure static null routing in cisco routers . First what is static null routing and why we take it in use .Static null routing is also called as black hole routing . It is configured when we don’t want any network to connect to specific network . So static routing is a route which divert the network in a black hole from where it never come back again . Like in this post i am going Continue reading →