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  • LAN (Local Area Network)
  • IP (Internet Protocol)
  • Switch, Router, WAN
  • Gateway
  • Subnet
  • CIDR Block
  • NAT (Network Address Translation)
  • Firewall
  • Port
  • DNS (Domain Name System)
  • Networking commands

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Networking

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Last updated 3 years ago

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LAN (Local Area Network)

IP (Internet Protocol)

Switch, Router, WAN

Gateway

Subnet

CIDR Block

NAT (Network Address Translation)

Firewall

Port

DNS (Domain Name System)

Managed by ICANN - internet corporation for assigned names and numbers.

Networking commands

  • ifconfig - get computer IP, subnet mask, gateway etc.

  • netstat - list of active connections on the machine.

  • ps aux - current running processes and programs.

  • nslookup - get IP address of any domain name.

  • ping - check if service or application is accessible.