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Date: Mon, 3 Nov 2014 01:45:30 +1100 (EST)
From: Ian Smith <smithi@nimnet.asn.au>
To: "William A. Mahaffey III" <wam@hiwaay.net>
Subject: Re: Minor rpc question ....
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In freebsd-questions Digest, Vol 543, Issue 7, Message: 3
On Sat, 01 Nov 2014 19:04:29 -0500 "William A. Mahaffey III" <wam@hiwaay.net> wrote:
 > .... I have ruptime installed & running on my LAN boxen. When I query 
 > from various boxen, such as an Intel Q6600 based server, I see:
 > 
 > [wam@Q6600, ~, 6:59:57pm] 1173 % ruptime
 > INDIGO      down     ??:??
 > Opty165A    down 976+08:10
 > Q6600         up 298+09:30,     6 users,  load 0.13, 0.07, 0.06
 > V8          down     ??:??
 > athloncube    up  44+22:38,     4 users,  load 0.08, 0.03, 0.05
 > centos-5      up  41+09:48,     3 users,  load 0.03, 0.04, 0.01
 > kabini1       up      0:25,     1 user,   load 0.02, 0.21, 0.26
 > opty165a      up 298+09:30,     0 users,  load 0.00, 0.00, 0.00
 > [wam@Q6600, ~, DING!] 1174 %
 > 
 > However, when I query from this box, I see:
 > 
 > [wam@kabini1, ~, 6:44:52pm] 297 % ruptime
 > kabini1                    up      0:25,     1 user,   load 0.02, 0.21, 0.26
 > [wam@kabini1, ~, DING!] 298 %
 > 
 > i.e. only this box shows up. I expect to see at least other 
 > still-running boxen listed, maybe not defunct (such as V8 & INDIGO) .... 
 > Config issue ? Bug ? Pilot error ? Please advise ....
 > 
 > BTW:
 > 
 > [root@kabini1, /etc, 6:51:24pm] 323 % uname -a
 > FreeBSD kabini1.local 9.3-RELEASE-p3 FreeBSD 9.3-RELEASE-p3 #0: Mon Oct 
 > 20 15:08:33 UTC 2014 
 > root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
 > [root@kabini1, /etc, 7:04:07pm] 324 %

Just checking: you have 'rwhod_enable="YES"' in /etc/rc.conf, rwhod(8) 
is running, and port 513/udp traffic is open both ways in any firewall?

If so, you possibly want to use the -a switch on both ruptime and rwho.

cheers, Ian