What was interesting about the hostname -s to me was trying to track down
where it got hostname -s from. That is what got me really going in circles
and I eventually figured out it got it from the first part of *.localdomain
in /etc/hosts .
On Monday 22 November 2004 08:15 pm, Kevin Toppenberg wrote:
> Daniel mentioned checking the man page for hostname.
>
> It's too long to include everything, but here is the
> -s part:
>
> -s, --short
> Display the short host name. This is the host name
> cut at the first dot.
>
>
> so here is the part from my /etc/hosts file:
> # Do not remove the following line, or various
> programs
> # that require network functionality will fail.
> ...
> 127.0.0.1 localhost.localdomain localhost
> Linux
> ...
>
>
> so here is different outputs from hostname:
>
> [EMAIL PROTECTED] kdtop]$ hostname
> Linux
> [EMAIL PROTECTED] kdtop]$ hostname -s
> localhost
> [EMAIL PROTECTED] kdtop]$
>
>
>
> Kevin
>
> --- Daniel Gray <[EMAIL PROTECTED]> 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:"
>
> === message truncated ===
>
>
>
>
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