Cisco IOS Technologies

How to do summary routes quickly

Binary, Subnetting, and Summarization. Before we continue looking at routing and routing protocols I want to go back to IP addresses and dive deeper, this stuff is important when you want to understand routing! Before we start calculating subnets and talk about IP addressing, let’s first check out some basics of binary calculations. We are […]

Linux and Unix Scripting

Is Shell scripting Useful ?

Here I am discussing the use of shell scripting in the linux server administration. A shell script is a computer program created for running in a shell. Here I am using “bash” shell, which is the normal shell used in linux based operating systems.   In day to day server administration shell scripting will help the […]