IT/Software/Command Line Applications/wakeonlan

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General

You need to allow this in the BIOS first.

Then the computers need to be kept attached to the network and power.

Having them on a UPS is good.

Configuration

  • There are countless tutorials on how to do this.
  • Making it "persistent" is the tricky bit.
  • Install some tools

sudo apt install net-tools ethtool

    • net-tools brings ifconfig and arp which allows a LAN scan for MAC addresses

See what is enabled. sudo ethtool interfaceName

    • for example sudo ethtool enp3s0
    • look for Wake-on and see what is supported and enabled.
      • we want "g"
  • Look what is persistent

nmcli c show jademonkeyWired | grep 802-3-ethernet.wake-on-lan

    • You will get an output like this

802-3-ethernet.wake-on-lan: magic 802-3-ethernet.wake-on-lan-password: --

    • We want "magic" not "default"
  • If not "magic" then modify it by

nmcli c modify jademonkeyWired 802-3-ethernet.wake-on-lan magic