Category: How To’s

let's encrypt on centos

Create a free Apache SSL certificate with Let’s Encrypt on CentOS & RHEL

Let’s Encrypt is a free, automated & open certificate authority that is supported by ISRG, Internet Security Research Group. Let’s encrypt provides X.509 certificates for TLS (Transport Layer Security) encryption via automated process which...

apache tomcat installation

Complete guide for Apache TOMCAT installation on Linux

Apache Tomcat, also known as Tomcat server is an open source java servlet cotainer & provides a pure JAVA http webserver environmnet to run java code. It is very famous & widely used to...

glances monitoring

Real Time Linux server monitoring with GLANCES monitoring tool

Glances is an open source real time Linux monitoring system that aims at providing as much as information possible in as minimum as space possible. Glances is like top command but more refined with...

configure ldap

OpenLDAP: Complete guide to install & configure LDAP on CentOS/RHEL

OpenLDAP is an open source implementation of LDAP or Lightweight Directory Access Protocol . OpenLDAP allows to store store and organize user related data centrally. OpenLDAP functions like a relational database & can store...

changing default runlevel

Changing Default Runlevel in Centos/RHEL 6 & 7

Hello Linux-Fanatics, in this post we will be process for changing default runlevel in Centos\RHEL 6 & 7 . But before we do that, we must discuss following… What is a runlevel ? Runlevel...

rename user in linux

How to rename user in Linux (also rename group & home directory)

We might have come across a situation where we might want to rename user in Linux system, for whatever reasons. We can easily rename user in Linux & also we can rename the home...

Installing SKYPE on CentOS & RHEL 7

Recently Microsoft has pulled the plug on Skype version 4.10, which was the only version working on CentOS 6. Though we can install the latest version of skype on CentOS 7, RHEL 7 but...

zimbra mail on centos

Complete guide to install Zimbra Mail on CentOS & RHEL

Zimbra Collaboration Suite (ZCS) or commonly known as Zimbra Mail, is collaborative software suite that includes an email server and a web client. It also includes contacts, file sharing, calendar , tasks etc which...

install nvm

Install NVM: 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 & process to install NVM. NVM stands for Node version manager & as you might...

install nodejs

How to install NodeJS on Linux (CentOS/Ubuntu)

Node.js or as commonly called NodeJS, is an open source , cross platform Java Run time environment based Chrome’s V8 JavaScript engine, meant for server-side programming. It allows us to run scripts on server-side...

install firefox quantum

How to install Firefox Quantum on Linux

Mozilla released Firefox 57 aka Firefox Quantum on 14th November, 2017, though it was in Beta for quite some time but a official release was provided. Firefox quantum is said to be the fastest...

master slave replication

Step by Step guide for creating Master Slave replication in MariaDB

In our earlier tutorials,we have already learned to install & configure MariaDB  & also learned some basic administration commands for managing MariaDB. We are now going to learn to setup a MASTER SLAVE replication...

install wireshark

How to install WireShark on Linux (CentOS/Ubuntu)

In our previous tutorial, we have learned about using tcpdump command to collect network packets for analysing/troubleshooting. But it can be a tiresome task to analyse all these network logs via CLI. But that’s...

tcpdump command

Learn how to use tcpdump command with examples

Tcpdump command is a famous network packet analysing tool that is used to display TCP\IP & other network packets being transmitted over the network attached to the system on which tcpdump has been installed....

manage docker hosts with Docker Machine

Create & manage docker hosts with Docker Machine on VirtualBox

Docker Machine is a tool that let us install Docker Engine on virtual hosts on various platforms, on local environment as well on cloud. With Docker Machine, we can easily install docker hosts a...

Easy guide to install phpMyAdmin on Ubuntu

PhpMyAdmin is free and open source tool for managing/administration of MySql & MariaDB databases. It provides a web based GUI to for database administration which is robust alternative to command line administration. Operations like...