GT.M does not have the concept of UCI and Volume, so I think for the
GT.M port they're always VAH & ROU. (Or am I getting things mixed up?)
Also, when VistA is ported to GT.M, I believe the routines look for the
hostname from the Linux command "hostname -s".
Perhaps Chris Richardson, Rick Marshall, Wally Fort or Dave Whitten
could comment?
-- Bhaskar
On Sun, 2004-11-21 at 23:21, Nancy E. Anthracite wrote:
> I have OV3 and Fedora Core 2.
>
> I bet you are using the version on the VA ftp site. That is available
> preinstalled on Knoppix on Sourceforge thanks to Bhaskar in the VivAFOIAGold
> on the WorldVistA project site. It can be installed right on your machine if
> you want or run off of the DVD.
>
> Anyway, I would suggest you don't spend a lot of time looking at man
> hostname
> and the like unless you REALLy want to spend a lot of time because you end up
> going in a circle from hostname to something else to something else that ends
> up referring back to hostname again. I got dizzy when I tried it.
>
> The best I was able to do with Fedora was to figure it out with experiments
> and to find out the machine name probably has to be changed in multiple
> places to really change the machine name for Fedora
> including /etc/hosts, /etc/config/network and
> sysctl -w kernel.hostname="newhostname" .
>
> After that, I decided that was really much more than I needed to know or
> cared
> to know about machine names and Fedora, as long as I could figure out where
> to get at hostname -s changed.
>
> As for the ^ZOSF("PROD") and where that is set, it looks like im my
> ^ZTMGRSET,
> it just gets the UCI and Volume it from ^ZOSF("PROD"), so that didn't help
> figure out how that is set.
>
>
>
> On Sunday 21 November 2004 08:54 pm, Daniel Gray wrote:
> > Thanks Fil, I take that as a great compliment. And you knew I would.
> >
> > All other readers: Fil has exaggerated my reputation as a hacker, but
> > maybe it was because of something I said . . .
> >
> > Nancy: I'm not too sure what information will help, but here is a
> > paragraph from Krn8_Osm.pdf
> >
> > ==============
> > BOX-VOLUME PAIR
> > This field identifies a volume set and the CPU on which it is available. It
> > contains the name of a volume set concatenated to the CPU ("box") name:
> > first the volume set name and then the CPU name. For example, if the
> > volume set name is "KRN" and the name of the CPU (e.g., box) is "ISC6A1",
> > then the box-volume pair would be "KRN:ISC6A1".
> >
> > For systems on which each CPU tends to have a unique volume set, and vice
> > versa, you may enter just the volume set name (e.g., "PSA" or "AAA"). This
> > field's value for the current process can be found by doing GETENV^%ZOSV
> > and checking the fourth ^-piece of Y. Since the volume set and CPU are
> > identified, the TaskMan site parameters can be tuned for each specific
> > volume set and CPU affected. Systems running Managers on more than one
> > CPU need one entry for each CPU where a manager is running.
> > =============
> >
> > So for Kernel to work, VOL:BOX has to be set up right. But why do they
> > call it Box-Volume, why not call it Volume-Box? The name of it caused me
> > some confusion when I was setting up taskman. And yes, the ^%ZOSF("PROD")
> > and ^%ZOSF("MGR") and ^%ZOSF("VOL") have to be all set right, and that is
> > done when you do ^ZTMGRSET. Maybe ^ZTMGRSET should get "BOX" name, and at
> > least begin setup of KERNEL SITE PARAMETERS. Maybe it does.
> >
> > The version of Kernel I am running, has the code I showed below, that is,
> > the call to GETENV^%ZOSV calling RETURN^%ZOSV which evoked the GTM function
> > ZSYSTEM("hostname -s")
> > From the GTM documentation, it looks like the ZSYSTEM call is a way to
> > generate a "plainjane" Linux command. And I would suppose that one could
> > say, to Linux
> > #hostname -s
> > and you would get a parameter out of the etc/hosts file, hopefully the
> > "box" name, or the short name of your computer.
> >
> > I think that Linux uses different names for different things, Redhat9, I
> > think, provides for a longname and a shortname, and whoever wrote the
> > ^%ZOSF that I have, knew to look for the short name (thus "-s"). One could
> > do $man hostname and see what it says there, I will do that when I get a
> > chance. But there should be some documentation somewhere that tells the
> > naïve user to name his computer with a short and sweet alias, and to check
> > KERNEL SITE PARAMS to make sure taskman will run.
> >
> > It looks like the Linux configuration provides for three fields in the
> > hosts file. The first is IP address, the second is the name of your
> > computer (a shortname), and the longname might be the URL of your system.
> > If this is really the case, then Kernel could use that shortname as a "box"
> > name, to identify your "box" on a network.
> >
> > Maybe there is a difference between Redhat9 and Fedora, and maybe there is
> > a difference in the GTM systems we are running, and maybe a difference in
> > the VA Kernel we are running.
> >
> > The comments below indicate all three are different, and we need to get on
> > the same page of music before our conversation will make sense.
> >
> > Dan
> > GTM>h
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of Beza,
> > Fil Sent: Sunday, November 21, 2004 3:07 PM
> > To: [EMAIL PROTECTED]
> > Subject: RE: [Hardhats-members] Volume Sets
> >
> > If it is about VistA Kernel, I doubt if I could say anything that Dan
> > doesn't know. He's the hacker and knows more about the ins and outs of
> > Kernel than I do.
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of Nancy E.
> > Anthracite
> > Sent: Saturday, November 20, 2004 5:33 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [Hardhats-members] Volume Sets
> >
> > I am running Fedora Core 2, which isn't that far from Redhat and the short
> > name comes from the first half of that localhost.localdomain or
> > XXX.localdomain XXX part, but it does not have to be the same as the volume
> > set. I know that from my installation. You set the volume set internally
> > in Vista from $P(^%ZOSF("PROD"),",",2) and that is set, I think, in the
> > volume set file and it is the volume set that is the signon/production
> > volume set in the volume set file.
> >
> > Fil, Wally, Rick, Marianne or somebody who knows this stuff, help us out
> > here, please.
> >
> > On Saturday 20 November 2004 03:24 pm, Daniel Gray wrote:
> > > Nancy:
> > > Little things like this are really slowing down my progress, but I am
> > > learning a lot about Linux and GTM in the process. Getting a little déjà
> > > vu of the early days in VistA. The only FileMan doc was, I think, 20
> >
> > pages
> >
> > > long (but, as George T will attest), everything was there, you only
> > > needed to know where to look. We would call him up, he would say
> > > (without looking), "page 18, on the bottom, there in the example".
> > >
> > > Here is my origional hosts file, right after installation of Redhat 9:
> > > # Do not remove the following line, or various programs
> > > # that require network functionality will fail.
> > > 127.0.0.1 localhost.localdomain localhost
> > >
> > > GTM>D GETENV^%ZOSV
> > > hostname: Unknown host
> > >
> > > GTM>ZWRITE
> > > Y="VAH^ROU^^ROU:"
> > >
> > > GTM>
> > >
> > > Here is the "hosts" file as it is now.
> > > # Do not remove the following line, or various programs
> > > # that require network functionality will fail.
> > > 127.0.0.1 ROU x1-6-00-e0-18-62-af-ec
> > >
> > > GTM>D GETENV^%ZOSV
> > >
> > > GTM>ZWRITE
> > > Y="VAH^ROU^ROU^ROU:ROU"
> > >
> > > If I take out the third field, leaving only two,
> > > # Do not remove the following line, or various programs
> > > # that require network functionality will fail.
> > > 127.0.0.1 ROU
> > >
> > > GTM>D GETENV^%ZOSV
> > > hostname: Unknown host
> > >
> > > GTM>ZWRITE
> > > Y="VAH^ROU^^ROU:"
> > >
> > > Now change only the "hosts" middle field to AAA, to avoid confusion
> > > GTM>D GETENV^%ZOSV
> > >
> > > GTM>ZWRITE
> > > Y="VAH^ROU^AAA^ROU:AAA"
> > >
> > > GTM>
> > >
> > >
> > >
> > > Here is the code in ^%ZOSV, you can see what the problem is, the -s
> > > argument tells GTM to retrieve the shortname from the hosts file, and it
> > > doesn't work if there is no longname. What name it gets, I think MUST
> > > correspond to Volume Set, in order for things to work right. I think
> >
> > also,
> >
> > > Volume Set should be three letters.
> > >
> > > GETENV ;Get environment Return Y='UCI^VOL^NODE^BOX LOOKUP'
> > > N %HOST,%V S %V=^%ZOSF("PROD"),%HOST=$$RETURN("hostname -s")
> > > S Y=$TR(%V,",","^")_"^"_%HOST_"^"_$P(%V,",",2)_":"_%HOST
> > > Q
> > >
> > > RETURN(%COMMAND) ; ** Private Entry Point: execute a shell command &
> >
> > return
> >
> > > the resulting value **
> > > ;
> > > ; %COMMAND is the string value of the Linux command
> > > N %VALUE S %VALUE="" ; value to return
> > > N %FILE S %FILE=$$TEMP_"RET"_$J_".txt" ; temporary results file
> > > ZSYSTEM %COMMAND_" > "_%FILE ; execute command & save result
> > > O %FILE:(REWIND) U %FILE R:'$ZEOF %VALUE C %FILE:(DELETE) ; fetch
> > > value & delete file
> > > ;
> > > QUIT %VALUE ; return value
> > > ;
> > >
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED] On Behalf Of Nancy
> >
> > E.
> >
> > > Anthracite
> > > Sent: Saturday, November 20, 2004 4:45 AM
> > > To: [EMAIL PROTECTED]
> > > Subject: Re: [Hardhats-members] Volume Sets
> > >
> > > Please show me the output of GETENV.... and hostname -s and what Linux
> > > distribution are you using? ROU is usually the volume set. I am using
> > > Fedora Core 2. I am glad it worked but I am beginning to think it was
> >
> > dumb
> >
> > > luck!
> > >
> > > On Saturday 20 November 2004 03:28 am, Daniel Gray wrote:
> > > > Thanks Nancy,
> > > >
> > > > I'm not certain how to post a continuation to a thread.
> > > > Just reply, I guess, I can't find any way on sourceforge.
> > > >
> > > > Nancy, Your advice worked. I did have to experiment a little.
> > > > Actually the hosts file seems to have the shortname in the middle.
> > > >
> > > > 127.0.0.1 ROU x1-6-00-e0-18-62-af-ec
> > > >
> > > > I wonder if the long name is a mac address. It was the default when I
> > > > installed Linux.
> > > >
> > > > Now Taskman works, the device manager seems to work,
> > > > Now I need to get some devices working.
> > > >
> > > > Anybody able to queue to a USB printer ?
> > > >
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED]
> > > > [mailto:[EMAIL PROTECTED] On Behalf Of
> > > > Nancy
> > >
> > > E.
> > >
> > > > Anthracite
> > > > Sent: Friday, November 19, 2004 8:54 PM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Re: [Hardhats-members] Volume Sets
> > > >
> > > > Let's try that again. I posted this in the wrong thread previously.
> > > >
> > > > It gets the name from hostname -s. In my system, that traces back
> > > > to /etc/hosts and to set the name to Morphix, for instance, this is
> > > > what you
> > > >
> > > > have to do in the file:
> > > >
> > > > # Do not remove the following line, or various programs
> > > > # that require network functionality will fail.
> > > > 127.0.0.1 Morphix.localdomain Morphix
> > > >
> > > > On Friday 19 November 2004 11:00 pm, Daniel Gray wrote:
> > > > > Anybody:
> > > > >
> > > > > I am looking for information about the relationship between Linux
> >
> > "Host
> >
> > > > > Name", Vista "Volume Set", and Taskman "Box-Pair". %ZOSV does a
> > > > > function to recover the Linux "hostname", and this information is
> >
> > used,
> >
> > > > > for instance, by %ZIS to determine whether the requested device is
> > > > > within the reach of the user. Taskman also uses Linux "hostname" to
> > > > > see if there is a box-pair defined, so taskman can run on specific
> > > > > server nodes.
> > > > >
> > > > > I am new to Linux, is there any way to change the "hostname"? When I
> > > > > installed Linux, I took the default and it is 20 characters long.
> > > > > Vista likes simple names, like VAH, AAA, etc.
> > > > >
> > > > > I think, without a proper setup of hostname, volumeset, box-pair, and
> > > > > so forth, neither deviceman nor taskman will work correctly. At
> >
> > least,
> >
> > > > > I could not get SemiVistAViva0.4 to operate correctly, and I suspect
> > > > > this is the problem. I found after loading it that in Box-pair there
> > > > > was an assumed a name for my computer. GETENV^%ZOSV gets hostname
> > > > > for many VistA functions.
> > > > >
> > > > > Is there any guidance out there for this issue ?
> > > > >
> > > > > Dan Gray
> > > > >
> > > > >
> > > > >
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