May 22, 2026 | Advanced Linux Scripting, Learn Linux in practical way
Introduction iRedMail is a powerful open-source mail server solution that comes with self-signed SSL certificates by default. While self-signed certificates work, they trigger security warnings in email clients like Apple Mail, Outlook, and Thunderbird. This tutorial...
Apr 21, 2026 | Advanced Linux Scripting, Learn Linux in practical way
Essential Examples for System Administrators (Bridge, VLAN, and SSH Safety) NetworkManager’s command-line tool nmcli is a powerful utility for managing network connections on Linux servers. For system administrators, mastering nmcli is essential—it allows you to...
Apr 8, 2026 | Learn Linux in practical way
Introduction Managing firewall rules through Plesk’s web interface is straightforward, but there are times when you only have SSH access to your server. Whether you’re troubleshooting a lockdown situation, automating server configuration, or simply prefer...
Mar 5, 2026 | Learn Linux in practical way
Are you a cybersecurity enthusiast or penetration tester looking to run Kali Linux directly on your Mac hardware? While virtual machines are convenient, nothing beats the performance of a bare-metal installation. This comprehensive guide will walk you through...