====== Network Tools, commands ======
===== NMCLI =====

===== IP =====
==== Addr ====
=== Add ip ===

    ip addr add ip/subnet dev eth0
    # or
    sudo dhclient
=== Del ip ===

    ip addr del ip/subnet dev eth0
    ifconfig ethX 0.0.0.0
    sudo dhclient -r
    
==== Route ====
Add route
    sudo route del default
    ip route add default gw
    sudo ip route add default via 192.168.1.254
    sudo route add default gw 192.168.1.254 eth0
==== Link (iface) ====
    # ip link set dev <interface> up
    # ip link set dev <interface> down
    sudo ip link set dev controller-eth0 up
    
    
==== SSH show ecdsa key fingerprint ====
    ssh-keygen -l -f /etc/ssh/ssh_host_ecdsa_key.pub