Category: How To’s

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 ,...

install PostGreSQL on Ubuntu

Simple guide to install PostGreSQL on Ubuntu

PostgreSQL or Postgres, is a very powerful, highly scalable relational database system, that provided implementation of SQL query language. It is open source & can be installed on Unix/Linux system as well as on...

install clamav

How to install ClamAV (Antivirus) & ClamTK on Linux

Linux is known for its high standards of security & there are very low amount of viruses that has been known to infect a Linux system. But in the recent times as technology is...

crontab examples

Scheduling important jobs with CRONTAB : Crontab Examples

Crontab is very important utility in Linux systems & is used to set up time based job scheduling.  With the help of Crontab or cron, we can execute a command or a script to...

Easy way to install PostgreSQL on CentOS

PostgreSQL or Postgres, is a very powerful, highly scalable relational database system, that peovided implementation of SQL query language. It is open source & can be installed on Unix/Linux system as well as on...

Redis CLI Commands

SysAdmin’s guide to REDIS CLI Commands

Redis is an open source in-memory data structure store that is mainly used as a caching server but can also be used as a database or as a message broker. We have already discussed...

Add and Remove Users in Ubuntu

How to Add and Remove Users in Ubuntu

  Learn how to add and remove users in Ubuntu in this guest post by Jay LaCroix, a Linux expert and the author of Mastering Ubuntu Server – Second Edition. Creating users in Ubuntu can be...