Iptables tutorial: securing VPS with Linux firewall
Iptables is a firewall program for Linux What is Iptables?…
Linux Server
Linux server installation, configuration, management, security hardening, performance optimization and more
Learn log files on Ubuntu
Linux and the applications that run on it can generate…
How to install Samba Based Active Directory on Ubuntu 22.04
Samba is a free open-source software that enables interoperability between…
How to configure a remote client on Bacula server machine
Install a package on a new remote Bacula client host…
How to setup Bacula in RHEL-9.5
Bacula is an open-source network backup solution designed for creating…
Mail configuration in Nagios Monitoring Server
Install and Configure Postfix Postfix is a free and open-source…
How to Add Windows Host to Nagios Monitoring Server
This article explains how to monitor Windows system metrics like…
How to setup Nagios Monitoring tool in RHEL, Rocky, and Alma Linux
Nagios is a powerful open-source tool for monitoring systems and…
How to Add Linux Host Machine to Nagios Monitoring Server Using NRPE Plugin
The NRPE (Nagios Remote Plugin Executor) plugin allows you to…
How to Reset Forgotten Root Password in Ubuntu 22.04
It happens to the best of us—you’re working on your…