#useful commands:
hostname - show or set the system’s host name
ifconfig - configure a network interface
host - DNS lookup utility (host "adress.com")
route - show / manipulate the IP routing table
netstat - Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships
dnsdomainname - show the system’s DNS domain name
arp - manipulate the system ARP cache
ping, ping6 - send ICMP ECHO_REQUEST to network hosts
#useful conf files:
#DNS and resolv
/etc/hosts
/etc/resolv.conf
#eth configuration
/etc/network/interfaces