Networking

 

Networking

1. Display network information: ifconfig command is used to display all network information(ip address, ports etc)

ifconfig -a

2. Test connection to a remote machine: Send an echo request to test connection of a remote machine.

   ping <ip-address> or hostname
   
   Example:
   ping 10.0.0.11

3. Show IP Address: Display ip address of a currennt machine

   hostname -I
   (OR)
   ip addr show

4. Active ports: Shows active or listening ports

   netstat -pnltu

5. Find information about domain: whois command is used to find out information about a domain, such as the owner of the domain, the owner’s contact information, and the nameservers used by domain.

   whois [domain]
   
   Example:
   whois google.com