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