Useful Linux Commands - Part 5

The following are a list of commonly used Linux Administration Commands.

Network Commands

Linux Command Description
ping host or IP Address Test for presence of a server on a network
dig domain Retrieve DNS information for specified domain
nslookup server Retrieve DNS information for specified server (hostname or IP address accepted)
traceroute hostname or IP address Trace route to specified server.
tracepath hostname or IP address Trace route to specified server, gathers MTU.
netstat --tcp Display Active Internet connections
wget file Download specified file. File can be a full path to a http address or an ftp site.
ip a s Display IP address information
iwconfig Display wireless adaptor information
ifconfig -a Display all network interfaces
ifup interface Activate interface
ifdown interface Deactivate interface
service network restart Restart network service
service network status Display network service status