What is Git? Git is a distributed version control system (VCS) that maintains a history of changes to files for reference and rolls back a change. It is software for tracking changes in any set of ...

How to install a tap0 interface in Linux for GNS3 After installation of GNS3, we will install loopback adapter on our Ubuntu systems, so that we can connect to devices’s in GNS3 from our host OS. ...

Reading and Writing Files Python has several functions for creating, reading, updating, and deleting files. Syntax To open a file for reading it is enough to specify the name of the file: f = op...

What is Netmiko? Netmiko is a multi-vendor library to simplify Paramiko SSH connections to network devices. Netmiko supports a wide range of devices. These devices fall into three categories, see s...

Paramiko Using telnet in a lab environment for practice or in a fully isolated private network is recommended, but in a production or public network, telnet is vulnerable to cyber attack. To overc...

Pexpect Pexpect makes Python a better tool for controlling other applications. Pexpect is a pure Python module for spawning child applications; controlling them; and responding to expected pattern...

What is Network Automation? Network automation is the process of automating the configuration, management and operations of a computer network. The tasks that are normally done by the network or sy...

Legacy SSH Algorithm and Cipher in Cisco Device’s In this blog, I’m showing you how to enable the legacy SSH algorithm and cipher option on your machine. I, encounter this issue so many times when...

Linux Networking Commands In this memo, I’m showing Linux networking commands to remember as a network engineer/technician. To show the IP address assigned to an interface: ip address show To a...

OSPF Brief Open Shortest Path First (OSPF) is link-state (OSPFv2 for IPv4) routing protocol for the Internet Protocol (IP) network. OSPF determines the best path (route) in topology at the cos...