rup — show host status of local machines (RPC version)
gives a status similar to
for remote machines.
It broadcasts on the local network
and displays the responses it receives.
Though the listing is normally in the order responses are received,
the order can be changed by using command-line options.
The broadcast process takes about two minutes.
arguments are given, instead of broadcasting,
only queries the list of specified hosts.
A remote host only responds if it is running the
recognizes the following command-line options:
Sort the display alphabetically by host name.
Sort the display by load average.
Sort the display by up time.
Broadcasting does not work through gateways; therefore,
does not report information
about machines that are reachable only through gateways.
The exit code of
is the number of errors (eg. bad host names) encountered;
zero for success.
was developed by Sun Microsystems, Inc.