// NETWORK NERD

Essential Networking Commands

• ip - Show/manipulate network interfaces and routing
• ping - Test connectivity to a host
• curl - Transfer data from/to a server
• ss - Investigate sockets (modern replacement for netstat)
• netstat - Network statistics (deprecated, use ss)
• traceroute - Trace the path packets take to a host
• dig - DNS lookup utility
• nslookup - Query DNS servers
• host - DNS lookup tool
• arp - Show/manipulate ARP cache
• route - Show/manipulate IP routing table
• iptables - Firewall rule management
• firewalld - Dynamic firewall manager
• nmap - Network discovery and security auditing
• tcpdump - Packet capture and analysis