Ivan Matveyev ⁽¹⁴⁾

One of my machines is serving public users and it is behind NAT. Besides DHCP IP address reservation and Port Forwarding, it needed a hostname. I am using the below script to update the DDNS. #!/bin/bash IP_FILE="/tmp/ddns-ip.txt" # Try to get current IP, capture both…

Free open-source email self-hosting solution Mail-in-a-Box provides hosting for static HTML websites. Publii is a desktop-based CMS for Windows, Mac and Linux that makes creating static websites fast and hassle-free, even for beginners. Publii has a way to upload the data to the server using…

Mail-in-a-Box provides a robust network security with fail2ban and ufw out of the box. However I do not like multiple sshd entries in my LogWatch (yes! SourceForge is alive in 2025!), so I decided to protect SSH with fwknop - a free and open source…

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Having secondary / backup DNS is recommended. I ended up using Backup DNS on Free DNS by Joshua Anderson. It is stable, easy to setup and free. For blacklists and overall health checks I use: Google Postmaster Tools (v2 version) MXToolbox black lists check DNS…