internet/networking

ethernet

ip link show
  • something like this:
1: lo: ...
    link/loopback ...
2: eno1: ...
    link/ether ...
    altname enp2s0
4: wlan0: ...
    link/ether ...
  • turn on:
ip link set eno1 up
  • turn off:
ip link set eno1 down

systemd-networkd

georgia tech

  • need to remember to register new device at portal.lawn.gatech.edu!
  • otherwise, garbage data when trying to make DNS query
  • make sure ethernet is connected and DHCP is working
  • check MAC address with ip link
2: eno1: ...
    link/ether MAC_ADDRESS brd ff:ff:ff:ff:ff:ff
    altname enp2s0

DNS

systemd-resolved

systemctl start systemd-resolved
  • probably just works

nsdo