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Last update: Sun Mar 13 15:05:31 PST 1994
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This file hopefully describes the whatever and however of how to get xntp
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running on hpux 7.0 and later s300. s400, s700, and s800.
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First off, all the standard disclaimers hold here ... HP doesn't have anthing
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to do with this stuff. I fool with it in my spare time because we use it and
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because I like to. We just happen to have a lot of HP machines around here :-)
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Xntpd has been in use here for several years and has a fair amount of mileage
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on various HP platforms within the company. I can't really guarantee bug fixes
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but I'd certainly like to hear about bugs and I won't hestitate to look at
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Now lets talk OS. If you don't have 7.0 or later, pretty much hang it up now.
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This stuff has run here on pretty much everything from 8.0 upward on s300,
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s700, and s800. It is known to run on 7.0 s300/s400 but all reports are
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from the field and not my personal experience.
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If you are lucky enough to have a s300 or s400 with 9.03, then you no longer
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have to worry about adjtimed as HP-UX now has adjtime(2). The rest of you
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will have to wait on 10.0 which will have adjtime(2) and a supported though
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a bit older version of xntpd.
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Next, let me explain a bit about how this stuff works on HP-UX's that do not
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have adjtime(2). The directory adjtime contains libadjtime.a and the adjtimed
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daemon. Instead of the adjtime(2) system call, we use a library routine to
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talk to adjtimed thru message queues. Adjtimed munges into /dev/kmem and
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causes the clock to skew properly as needed. PLEASE NOTE that the adjtime
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code provided here is NOT a general replacement for adjtime(2) ... use of
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this adjtime(3)/adjtimed(8) other than with xntpd may yield very odd results.
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What to do to get this stuff running ?
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* If you are running an OS less than 10.0 or do not have a s300/s400
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-> (change -DSYS_HPUX=? to match whatever you are running [7,8,9])
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* Say "make makeconfig"
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* Say "make", sit back for a few minutes.
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* Say "./authcert < certdata" and check the output. Every line should
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end with "OK" ... if not, we got trouble.
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* Now try "./authspeed auth.samplekeys". What we want to
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remember here is the "authentication delay in CPU time"
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* I'd suggest reading the xntp docs about now :-) ... seriously !!
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* One thing I have added to this version of xntpd is a way to select
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config files if you are sharing /usr/local thru NFS or whatever.
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If the file /usr/local/etc/xntp.conf happens to be a directory, the
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files in that directory are searched until a match is found. The
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rules for a match are:
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2. default.<machine id> (as in default.375 or default.850)
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* Ok, make sure adjtimed is running (just start it up for now with
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"/usr/local/etc/adjtimed"). Using -z as an option will get you
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* Now start up xntpd and watch it work.
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* Make sure that adjtimed gets started at boot right before xntpd.
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We do this in /etc/netbsdsrc. They must both run as root !!
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* On some 320's and 835's we have had to run adjtimed with "-p 45" or
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so to get rid of syslog messages about "last adjust did not finish".
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* At 9.0, there is a problem with DIAGMON (patch available from the
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response center) which causes it to delete the message queue that
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adjtimed/xntpd use to communicate. (see next note for result)
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* Xntpd has been known to get really ticked off when adjtime() fails
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which is usually only while running the emulation code on HP-UX.
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When it gets mad, it usually jumps the clock into never never land.
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Possible reasons for this are adjtimed being killed or just never
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started or adjtimed being completely swapped out on a really busy
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machine (newer adjtimed try to lock themselves in memory to prevent
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Anything else ... just drop me a line at ken@sdd.hp.com
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id AA056252339; Thu, 15 Jun 1995 09:18:59 -0400
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Date: Thu, 15 Jun 1995 09:18:59 -0400 (EDT)
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From: "Jeff A. Earickson" <jaearick@colby.edu>
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To: Mills@huey.udel.edu
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Subject: More minor bugs in xntp3.4s
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In-Reply-To: <9506150022.aa12727@huey.udel.edu>
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Message-Id: <Pine.HPP.3.91.950615083549.4557A-100000@host5.colby.edu>
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Content-Type: TEXT/PLAIN; charset=US-ASCII
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After reading the hpux hints file, I realized I didn't install or
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start adjtimed. In the course of doing this, I discovered that:
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--> $(TOP) is not defined in adjtime/Makefile, so "make install" can't
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find the install.sh script.
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--> "make install" from the main Makefile never goes into the adjtime
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directory, so I added the following two lines into the install
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target of the main Makefile:
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@echo installing from adjtime
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@cd adjtime && $(MAKE) $(MFLAGS) MFLAGS="$(MFLAGS)" MAKE="$(MAKE)" install
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This twiddle may not be right for all systems, but it got adjtimed
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You might also want to add to the hpux hints file that one way to
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fire things up at boot time is to add the following lines to the localrc
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#---daemons for Network Time Protocol (version 3.4s)
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#---note that adjtimed is only needed for HP-UX 9.X, not 10.0
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#---adjtimed must be running or xntpd won't work right...
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if [ -x /usr/local/bin/adjtimed ]; then
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/usr/local/bin/adjtimed -r & echo -n ' adjtimed'
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if [ -x /usr/local/bin/xntpd ]; then
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/usr/local/bin/xntpd & echo -n ' xntpd'
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I discovered that the "-r" option of adjtimed is needed to clear out any
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trash from a previous execution of it. Otherwise adjtimed quietly dies
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and leaves xntpd in the lurch...
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** Jeff A. Earickson, Ph.D PHONE: 207-872-3659
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** Senior UNIX Sysadmin, Information Technology EMAIL: jaearick@colby.edu
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** Colby College, 4214 Mayflower Hill, FAX: 207-872-3555
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** Waterville ME, 04901-8842
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On Thu, 15 Jun 1995 Mills@huey.udel.edu wrote:
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> Read the hpux file in the hints directory.
added
removed
html/hints/hpux
