System Tools

Module option 1 from the main menu.

Features

• Hostname management — set or change the server hostname
• Timezone configuration — update system timezone
• DNS settings — configure nameservers
• SSH port — change SSH port with security warnings
• Swap management — automatic swap creation/adjustment
• BBR congestion control — enable TCP BBR for better throughput
• Fail2ban — install and configure Fail2ban for brute-force protection
• IPv4 preference — configure gai.conf to prefer IPv4 over IPv6
• System update — update all packages via the detected package manager

Script

scripts/system_tools.sh