How to Change Hostname on Debian 9 Linux

How to Change Hostname on Debian 9 Linux

The hostname is known as the system’s identifier, which is set at the time when we are installing the Debian operating system. This tutorial will explain setting the hostname for your system or virtual machine after Debian 9 installation. Prerequisites Before...
How to Setup a Firewall with UFW on Ubuntu 18.04

How to Setup a Firewall with UFW on Ubuntu 18.04

Nowadays, a Firewall is an essential utility and property of any system for security; by default Ubuntu Operating system having a firewall configuration tool named UFW (Uncomplicated Firewall). UFW is a user-friendly front-end tool to manage iptables firewall rules....
How to Install MongoDB on CentOS 6 Linux

How to Install MongoDB on CentOS 6 Linux

MongoDB is an open-source and free NoSQL document based database system. Nowadays, it is prevalent as most application developers are using MongoDB, which can handle big data. As a MongoDB is a NoSQL database, It stores data in JSON-like documents where fields can...