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Babin Lonston

I'm Working as a System Administrator for last 10 year's with 4 years experience with Linux Distributions, fall in love with text based operating systems.
IPFire Firewall Installation Guide

How to Install ‘IPFire’ Free Firewall Linux Distribution

16 Comments

IPFire is one of the high-level flexible firewall with great features such as other firewall’s. IPFire will work as a firewall, VPN gateway, Proxy server, DHCP server, Time server, Caching name server, Wake-On-LAN, DDNS,

Install Ansible in Linux

How to Install and Configure ‘Ansible’ Automation Tool for IT Management – Part 1

53 Comments

Ansible is an open source, powerful automation software for configuring, managing and deploying software applications on the nodes without any downtime just by using SSH. Today, most of the IT Automation tools runs as

pfSense Installation

How to Install and Configure pfSense 2.1.5 (Firewall/Router) for Your Home/Office Network

30 Comments

Update: For newer version of pfSense, check out Installation and Configuration of pfSense 2.4.4 Firewall Router. pfSense is an open source network firewall/router software distribution which is based on the FreeBSD operating system. pfSense

Setup Cahing DNS Server in CentOS 7

How to Install and Configure ‘Cache Only DNS Server’ with ‘Unbound’ in RHEL/CentOS 7

7 Comments

Caching name servers using ‘Unbound‘ ( is a validating, recursive, and caching DNS server software ), back in RHEL/CentOS 6.x (where x is version number), we used bind software to configure DNS servers. Here

Setup ZFS Storage Disks on FreeNAS

Configuring FreeNAS to Setup ZFS Storage Disks and Creating NFS Shares On FreeNAS – Part 2

12 Comments

In our previous article, we’ve shown you how to install FreeNAS server. In this article we will cover configuration of FreeNAS and setting up storage using ZFS. Requirements Installation of FreeNAS (Network-attached Storage) –

Create Raid 10 in Linux

Setting Up RAID 10 or 1+0 (Nested) in Linux – Part 6

14 Comments

RAID 10 is a combine of RAID 0 and RAID 1 to form a RAID 10. To setup Raid 10, we need at least 4 number of disks. In our earlier articles, we’ve seen

Grow Raid Array in Linux

Growing an Existing RAID Array and Removing Failed Disks in Raid – Part 7

3 Comments

Every newbies will get confuse of the word array. Array is just a collection of disks. In other words, we can call array as a set or group. Just like a set of eggs

Installing FreeNAS Server

Installing and Configuring FreeNAS (Network-attached Storage) – Part 1

35 Comments

FreeNAS is an open source network-attached storage (NAS) operating system based on BSD and the ZFS filesystem with integrated RAID support. FreeNAS operating system is totally based on BSD and can be installed on

Setup Raid 5 in CentOS

Creating RAID 5 (Striping with Distributed Parity) in Linux – Part 4

14 Comments

In RAID 5, data strips across multiple drives with distributed parity. The striping with distributed parity means it will split the parity information and stripe data over the multiple disks, which will have good

Add Users in Linux

A Complete Guide to Usage of ‘usermod’ command – 15 Practical Examples with Screenshots

21 Comments

In Unix/Linux distributions, the command ‘usermod‘ is used to modify or change any attributes of a already created user account via command line. The command ‘usermod‘ is similar to that ‘useradd‘ or ‘adduser‘ but

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A Beginners Guide To Learn Linux for Free [with Examples]
Red Hat RHCSA/RHCE 8 Certification Study Guide [eBooks]
Linux Foundation LFCS and LFCE Certification Study Guide [eBooks]

Learn Linux Commands and Tools

How to Save Top Command Output to a File

Lolcat – A Command Line Tool to Output Rainbow Of Colors in Linux Terminal

30 Useful ‘ps Command’ Examples for Linux Process Monitoring

8 Practical Examples of Linux “Touch” Command

How to Delete HUGE (100-200GB) Files in Linux

How to Change or Set System Locales in Linux

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Linux Server Monitoring Tools

Sysstat – All-in-One System Performance and Usage Activity Monitoring Tool For Linux

systemd-analyze – Find System Boot-up Performance Statistics in Linux

How to Install Nagios 4 in Ubuntu and Debian

How to Monitor Docker Containers with Zabbix Monitoring Tool

Use Glances to Monitor Remote Linux in Web Server Mode

How to Install Icinga2 Monitoring Tool on Debian

Learn Linux Tricks & Tips

How to Download and Extract Tar Files with One Command

fd – A Simple and Fast Alternative to Find Command

Find Top 10 IP Addresses Accessing Your Apache Web Server

2 Ways to Re-run Last Executed Commands in Linux

5 Ways to Empty or Delete a Large File Content in Linux

How to Manipulate Filenames Having Spaces and Special Characters in Linux

Best Linux Tools

16 Best Web Browsers I Discovered for Linux in 2020

13 Best Photo Image Editors for Linux

20 Useful Security Features and Tools for Linux Admins

10 Most Popular Download Managers for Linux in 2021

8 Best MySQL/MariaDB GUI Tools for Linux Administrators

10 Best Clipboard Managers for Linux

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