May 25, 2026 | Advanced Linux Scripting, Learn Linux in practical way
Stop checking logs manually. Get instant push notifications when your server is attacked. Free, no registration, works with Fail2ban, Docker, cron jobs, and scripts. Complete setup guide for iOS and Android. You have fail2ban running. Your firewall is configured. Your...
May 25, 2026 | Advanced Linux Scripting, Learn Linux in practical way
Default iRedMail installations work but aren’t secure. Follow this 10-point checklist to harden your mail server: SSL certificates, fail2ban, SASL authentication, firewall, PHP security, real-time alerts, and more. You’ve just installed iRedMail. Webmail...
May 25, 2026 | Advanced Linux Scripting, Learn Linux in practical way
I recently upgraded two production iRedMail servers from version 1.7.4 to 1.8.2. The official documentation is excellent but assumes a perfect world. In reality, you’ll encounter: PHP version mismatches (older OS versions) File permission issues after upgrade...
May 24, 2026 | Advanced Linux Scripting, Learn Linux in practical way
This guide explains how to securely configure a Rocky Linux 10 KVM virtualization host with proper network segmentation, SSH hardening, and intrusion protection using Fail2Ban and firewalld. Before You Start (IMPORTANT SAFETY RULE) Never apply firewall or SSH...
May 22, 2026 | Advanced Linux Scripting, Learn Linux in practical way
Default iRedMail installation is not production-ready. Learn how to harden your mail server with SSL certificates, SASL authentication, firewall rules, fail2ban, root security, rate limiting, and monitoring. Congratulations! You’ve installed iRedMail. The web...
