Category: How To’s

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...

nginx with let's encrypt

Complete guide to configure SSL on Nginx with Let’s Encrypt (Ubuntu/Centos/RHEL)

Securing your websites with an SSL certificate is now a must for all website admins, else the web browsers will mark the website as unsafe to visit, causing the loss of website traffic. But...

redis master slave

Configuring redis MASTER SLAVE setup

We discussed in our previous tutorial, about redis server & its installation. In this tutorial, we will learn to create a redis cluster or rather a master slave setup for redis server. With master...

nginx reverse proxy

Simple way to configure Nginx Reverse Proxy

A reverse proxy is a server that takes the requests (http/https) & then transfers or distributes them to backend server. Backend server can be an application server like Tomcat, wildfly or Jenkins etc or...

Backup Linux data to Amazon S3 with CloudBerry Backup

Recently we have started using an awesome solution to backup our Linux files and folders to Amazon S3 called Cloudberry Backup. CloudBerry Backup allows to perform backups of all Linux systems and available for...

DOCKER FOR LINUX

The (in)complete Guide To DOCKER FOR LINUX

This tutorial is actually a collection of Docker Tutorials that we have published (& will also update new tutorials that we add in future). The purpose of writing this tutorials is to actually make...

SELinux

Beginner’s guide to SELinux

SELinux or Security Enhanced Linux is advanced access control mechanism which was developed by US security agency NSA to prevent malicious intrusions & tempering. It implements MAC (Mandatory Access control) over already present DAC...

real time Linux monitoring

Real Time Linux 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...

nmap command

Beginner’s reference guide to NMAP command

Network Mapper or NMAP command open source security tool & is said to be the best port scanner. It is mainly used for auditing the network security & for penetration testing. Nmap command displays...

Complete guide to Dual Boot Ubuntu 18.XX with Windows 10

Ubuntu 18.04 aka Bionic Beaver was released on April 26th, 2018 with a lot of changes on front end as well as on backend. Major change that anybody who has ever used Ubuntu, will...

install svn on ubuntu

Simple guide to install SVN on Ubuntu

SVN is a software versioning & revision control system, that has been around for a while now but is still being used by many. Though in recent years, Git & Git related applications are...

How to install GITHUB on Ubuntu : Step by Step

Github is a web based implementation of Git. Similar to Git, it is a distributed version control system & also offers the source code management functionality offer by Git. Github has all the features...

Complete monitoring solution : Install OMD (Open Monitoring Distribution)

OMD or Open Monitoring Distribution is one of the best things that will make every System Admin’s day. OMD is an open source server, network monitoring tool that comes bundled with a number of...

PostgreSQL commands

Important PostgreSQL commands you should know

In this tutorial, we will learn about some useful PostgreSQL commands. We have already discussed the installation of PostgreSQL on CentOS & on Ubuntu systems. So let’s start, Recommended Read : MongoDB installation & configuration...

create swap

How to create SWAP SPACE in Linux system

Swap file or swap space is a file on Linux file-system that is used to hold programs or pages, in the event that the Physical memory aka RAM of the machine is full. Swap...

creating vagrant boxex

Complete guide for creating Vagrant boxes with VirtualBox

Vagrant is tool for building & managing virtual machines environment, especially development environments. It provides easy to use & easy to replicate/reproducible environment built on top of technologies like Docker, VirtualBox, Hyper-V, Vmware ,...