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Guides from the NOC

Written from running the hardware — what breaks, why, and the command that fixes it.

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VPS Firewalld on AlmaLinux: A VPS Firewall Setup Guide

UFW commands don't work on AlmaLinux. Learn firewalld zones, firewall-cmd basics, and how to secure a fresh AlmaLinux or CentOS VPS without locking yourself...

30 July 2026 · 7 min · 8 views