Category: Rocky Linux

Learn how to manage firewalld on Rocky Linux with firewall-cmd, including active zones, services, custom ports, runtime and permanent rules, rich rules, and NetworkManager integration. The guide emphasizes a safe workflow for remote SSH servers.

Learn how to check and change the system-wide language and locale on Rocky Linux with localectl and glibc language packs. This guide also explains session-only changes, LANG and LC_* precedence, and troubleshooting for broken Korean characters.