How to wake a sleeping Mac remotely

If a Mac is sleeping you cannot manage it remotely. It is possible to send a Wake On Lan packet if you can connect to another computer on the same subnet. First, from the remote desktop application on your own computer, copy the Ethernet ID (mac address) and IP address for the sleeping computer Second, start a terminal session on an accessible computer on the same network A. Add an arp entry for the sleeping computer from a sudo terminal session arp -s