List 10 networking and troubleshooting commands in Linux?

1.	List 10 networking and troubleshooting commands in Linux?
Answer» Ifconfig – configure interface parameters of the network. dig – performs DNS lookups to display a result obtained from name servers. traceroute – prints the route that the packets take to the network host. nslookup – queries internet DOMAIN name servers. telnet – connect DESTINATION port if the connection between hosts is working fine netstat – reviews each network connection and the open sockets. w – writes (prints) CURRENT ACTIVITIES and processes by each user. scp – secure copy the files from and to another host in the network. ifup/ifdown – enable or disable the network interface respectively. nmap – checks for the opened port on the server

Discussion