wakeonlan
TLDR
Wake computer
$ wakeonlan [00:11:22:33:44:55]
Wake with broadcast address$ wakeonlan -i [192.168.1.255] [00:11:22:33:44:55]
Wake on specific port$ wakeonlan -p [9] [00:11:22:33:44:55]
Wake from file$ wakeonlan -f [hosts.txt]
Verbose output$ wakeonlan -v [00:11:22:33:44:55]
SYNOPSIS
wakeonlan [-i address] [-p port] [-f file] [options] mac
DESCRIPTION
wakeonlan sends Wake-on-LAN magic packets. It powers on remote computers.
Magic packets contain the target MAC. Repeated 16 times in specific format.
Broadcast address reaches sleeping hosts. Local network or directed broadcast.
Port 9 is standard. Some systems use port 7.
File input enables multiple hosts. One MAC per line.
PARAMETERS
-i ADDRESS
Broadcast address.-p PORT
UDP port (default 9).-f FILE
Read MACs from file.-v
Verbose output.
REQUIREMENTS
- Target NIC supports WoL
- WoL enabled in BIOS/UEFI
- WoL enabled in OS
- Computer connected to network
CAVEATS
Only works on local network (unless forwarded). BIOS settings required. Some NICs need driver config.
HISTORY
Wake-on-LAN was developed by AMD and HP in 1996. wakeonlan provides command-line access to this power management feature.
