CCNP – Page 10 – POFTUT

Install Dnsmasq As Cache Dns Server

We have a lot of computer in our network. Our network speed is not too much. Sometimes especially in mornings our internet connection slows down. How can solve this with some dns related tricks? Dns is one of the mostly used network protocol. It can effect the internet speed. Making some optimizations will develop your … Read more

How to Configure Cisco Device and User Modes

We have an Cisco device. We want to configure it from command line interface. How can we accomplish that? Connecting Device There is different ways to connect device. It can be changed according to device capabilities. But command line interface is de facto for configuration. We connect to device with telnet. $ telnet 10.0.0.1 Unprivileged … Read more

How To Create and Setup SSH Keys For Passwordless and Public Key Based Authentication In Linux?

How To Create and Setup SSH Keys For Passwordless and Public Key Based Authentication In Linux?

Ssh is a protocol designed to make network connections between hosts secure. Ssh is a defacto standard for Linux and related operating systems. Ssh encrypts the connection between sides. Ssh gives terminal access between host and server. To get a terminal there need to be an authentication process. The authentication process is generally password-based but … Read more