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Add -u to SYNOPSIS. Fix some typos.
Use more markup. Bump date for -u.
This commit is contained in:
wiz 2005-09-12 18:33:56 +00:00
parent b9c29c4def
commit 4b44cc9527
1 changed files with 23 additions and 17 deletions
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40
usr.sbin/rwhod/rwhod.8
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@ -26,9 +26,9 @@
.\" SUCH DAMAGE.
.\"
.\" from: @(#)rwhod.8 8.2 (Berkeley) 12/11/93
.\" $NetBSD: rwhod.8,v 1.19 2005/09/12 16:13:13 tsarna Exp $
.\" $NetBSD: rwhod.8,v 1.20 2005/09/12 18:33:56 wiz Exp $
.\"
.Dd August 9, 2005
.Dd September 12, 2005
.Dt RWHOD 8
.Os
.Sh NAME
@ -37,13 +37,15 @@
.Sh SYNOPSIS
.Nm
.Op Fl i Ar interval
.Op Fl u Ar user
.Sh DESCRIPTION
.Nm
is the server which maintains the database used by the
.Xr rwho 1
and
.Xr ruptime 1
programs. Its operation is predicated on the ability to
programs.
Its operation is predicated on the ability to
.Em broadcast
messages on a network.
.Pp
@ -62,7 +64,8 @@ because higher values will cause
.Xr ruptime 1
to mark the host as being down.
.It Fl u Ar user
drop privledges and become the named user.
Drop privileges and become the user
.Ar user .
.El
.Pp
.Nm
@ -77,7 +80,9 @@ them in a collection of files located in the directory
.Pa /var/rwho .
.Pp
The server transmits and receives messages at the port indicated
in the ``who'' service specification; see
in the
.Dq who
service specification; see
.Xr services 5 .
The messages sent and received, are of the form:
.Bd -literal -offset indent
@ -104,17 +109,18 @@ struct whod {
.Ed
.Pp
All fields are converted to network byte order prior to
transmission. The load averages are as calculated by the
transmission.
The load averages are as calculated by the
.Xr w 1
program, and represent load averages over the 5, 10, and 15 minute
intervals prior to a server's transmission; they are multiplied by 100
for representation in an integer. The host name
included is that returned by the
for representation in an integer.
The host name included is that returned by the
.Xr gethostname 3
function call, with any trailing domain name omitted.
The array at the end of the message contains information about
the users logged in to the sending machine. This information
includes the contents of the
the users logged in to the sending machine.
This information includes the contents of the
.Xr utmp 5
entry for each non-idle terminal line and a value indicating the
time in seconds since a character was last received on the terminal line.
@ -122,12 +128,13 @@ time in seconds since a character was last received on the terminal line.
Messages received by the
.Xr rwho 1
server are discarded unless they originated at an
rwho
server's port. In addition, if the host's name, as specified
.Xr rwho 1
server's port.
In addition, if the host's name, as specified
in the message, contains any unprintable
.Tn ASCII
characters, the
message is discarded. Valid messages received by
characters, the message is discarded.
Valid messages received by
.Nm
are placed in files named
.Pa whod.hostname
@ -149,6 +156,5 @@ command appeared in
.Sh BUGS
There should be a way to relay status information between networks.
Status information should be sent only upon request rather than continuously.
People often interpret the server dying
or network communication failures
as a machine going down.
People often interpret the server dying or network communication
failures as a machine going down.