Essential Linux Commands You Should Know
Linux is one of the best – if not the best operating systems out there. Well, the jury is still…
Guide to configure Postfix Relay on Ubuntu & CentOS/RHEL
Postfix relay is the process by which we relay the mail from postfix to another mail server (AKA SmartHost) rather…
Easily install ElasticSearch on Ubuntu
Elasticsearch is an open-source & very powerful application for analytics & distributed real-time searches. It is published under the Apache…
Descriptive guide to install OpenVPN on Linux
In ever-increasing threats against internet users, VPN provides a safe way to access the internet as it secures our data…
Creating SWAP partition using FDISK & FALLOCATE commands
Swap-partition holds the memory which is used in case the physical memory (RAM) is full . When RAM capacity has been…
Working with VI editor : The Basics
VI editor is a powerful command line based text editor that was originally created for Unix but has since been…
IP Aliasing : Assigning multiple IP addresses to single NIC
In this tutorial, we are going to learn to assign multiple IP addresses to a single NIC (Network Interface Card)….
4 Things You Need to Know About Network Monitoring
Did you realize hacking attempts happen once every 39 seconds? The overwhelming majority of these attacks target business owners. If…
Mastering DNF command with examples
DNF was first made available in Fedora 18 & with Fedora 22, it had replaced Yum to become default package…
Install NVM on Linux: Maintain multiple NodeJS versions with Node Version Manager
We have earlier discussed How to install Node.js on Linux systems. In this tutorial, we will learn about NVM &…
How to replicate SELinux policies among Linux machines
SELinux or Security Enhaced Linux, is a set of kernel modification & user-space tools, that implements access policies called MAC…
5 Lesser-Known Facts about Amazon EBS Could Save You Time and Money
Overview of EBS Amazon Elastic Block Store is a storage service based on block-level storage volumes. EBS volumes comprise blocks…
Easy guide to install MySQL on Ubuntu
MySQL is one of the most famous Free & Open Source Relational Database system. MySQL uses a relational database &…
Learn to use CURL command with examples
Curl command is used to transfer files to and from a server, it supports a number of protocols like HTTP,…
Most useful Linux Commands that you should know
If you are a Linux system administrator or just a Linux enthusiast/lover, then you love & use command line aks…
NC command (NCAT) for beginners
NC command is for performing maintenance/diagnosis tasks related to network . It can perform operations like read,write or data redirections…