Linux Network Commands

Linux Network Commands

  Network Interface Configurator.

  - View network settings of an ethernet adapter:
    ifconfig eth0

  - Display details of all interfaces, including disabled interfaces:
    ifconfig -a

  - Disable eth0 interface:
    ifconfig eth0 down

  - Enable eth0 interface:
    ifconfig eth0 up

  - Assign IP address to eth0 interface:
    ifconfig eth0 ip_address
    
Sometimes after restored the entire system to the new machine, the interface doesn't work and it got new name.
In this case, use both commands:

ifonfig -a && ifconfig eth_name up