Network Information Skill

Explores network configuration and connectivity on Linux systems.

Suggested Workflow

1. Run ./scripts/netinfo.sh for a structured overview of interfaces, IPs, routes, DNS, and listening ports.
2. Check ip addr for interface status and assigned addresses.
3. Verify routing with ip route and DNS with cat /etc/resolv.conf.
4. Inspect listening services with ss -tuln to identify open ports.

Commands Reference

Network Interfaces

• ip addr or ip a - Show all network interfaces and IP addresses
• ip link - Show interface status (up/down)
• cat /sys/class/net/*/address - MAC addresses