ETHER-WAKE(8) ETHER-WAKE(8)
NAME
ether-wake - A tool to send a Wake-On-LAN "Magic Packet"
SYNOPSIS
ether-wake [options] Host-ID
DESCRIPTION
This manual page documents the usage of the ether-wake command.
ether-wake is a program that generates and transmits a Wake-On-LAN (WOL) "Magic
Packet", used for restarting machines that have been soft-powered-down (ACPI
D3-warm state). It generates the standard AMD Magic Packet format, optionally with
a password included. The single required parameter is a station (MAC) address or a
host ID that can be translated to a MAC address by an ethers(5) database specified
in nsswitch.conf(5)
OPTIONS
ether-wake needs a single dash (´-´) in front of options. A summary of options is
included below.
-b Send the wake-up packet to the broadcast address.
-D Increase the Debug Level.
-i ifname
Use interface ifname instead of the default "eth0".
-p passwd
Append a four or six byte password to the packet. Only a few adapters need
or support this. A six byte password may be specified in Ethernet hex format
(00:22:44:66:88:aa) or four byte dotted decimal (192.168.1.1) format. A
four byte password must use the dotted decimal format.
-V Show the program version information.
EXIT STATUS
This program returns 0 on success. A permission failures (e.g. run as a non-root
user) results in an exit status of 2. Unrecognized or invalid parameters result in
an exit status of 3. Failure to retrieve network interface information or send a
packet will result in an exit status of 1.
SEE ALSO
arp(8).
SECURITY
On some non-Linux systems dropping root capability allows the process to be dumped,
traced or debugged. If someone traces this program, they get control of a raw
socket. Linux handles this safely, but beware when porting this program.
AUTHOR
The etherwake program was written by Donald Becker at Scyld Computing Corporation
for use with the Scyld(™) Beowulf System.
Scyld March 31, 2003 ETHER-WAKE(8)
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