Date: 2009mar23 OS: Linux Level: novice Q. Linux: What are the Linux networking utilties? A.

ss - Show sockets netstat - Network status ntop - Show major network users ifconfig - Show interfaces ping <address> - Is <address> responding? ifup eth0 - Bring first ethernet port up ifdown eth0 - Bring first ethernet port down wireshark - Listen to traffic lsof - List open files (including sockets) nc - Send to a socket telnet - Connect to a port ssh - Make a secure connection nft - packet filtering

See man <command> for more info.