[17016] in athena10
Re: Postfix FQDN requested during installation
daemon@ATHENA.MIT.EDU (Benjamin Kaduk)
Sun Dec 1 23:42:50 2019
Date: Sun, 1 Dec 2019 20:42:39 -0800
From: Benjamin Kaduk <kaduk@mit.edu>
To: Anthony Grebe <agrebe@mit.edu>
CC: "Aaron M. Ucko" <amu@alum.mit.edu>, debathena <debathena@mit.edu>
Message-ID: <20191202044239.GH32847@mit.edu>
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In-Reply-To: <726aae6a-a23f-96fe-ad14-2b61371722ab@mit.edu>
Hi Anthony,
Just to double-check, this is on your laptop running Ubuntu 14?
If so, perhaps
service zhm status
would be useful.
Also, how about
pgrep zhm
while we're at it?
Thanks,
Ben
On Sun, Dec 01, 2019 at 10:24:41PM -0500, Anthony Grebe wrote:
> Dear Aaron,
>
> Both variants give me the response
>
> initctl: Unknown job: zhm
>
> I've tried this before and after renew and got the same message.
>
> Thank you,
> Anthony
>
> On 12/1/19 2:17 PM, Aaron M. Ucko wrote:
> > Oops, please try
> >
> > initctl --system status zhm
> >
> > or (if you still get "command not found)
> >
> > /sbin/initctl --system status zhm
> >
> > NB: Most likely, exactly one of those two variants will work.
> >
> > Anyway, no need to apologize, and thanks for keeping the list copied.
> >
> > -- Aaron
> >
> > Anthony Grebe <agrebe@mit.edu> writes:
> >
> >> Dear Aaron,
> >>
> >> Thank you for explaining this, and I apologize that it's taken me so
> >> long for me to respond.
> >>
> >> When I run "systemctl status zhm.service," I get the response
> >> "systemctl: command not found." It's not super important to fix this,
> >> so don't worry about trying to debug if this is a complicated problem,
> >> although if this is something straightforward I can try to implement
> >> it.
> >>
> >> Thank you,
> >> Anthony
> >>
> >> On 11/7/19 3:40 PM, Aaron M. Ucko wrote:
> >>> Thanks for clarifying!
> >>>
> >>> The difference between kinit and renew is that kinit is a standard
> >>> Kerberos utility that only obtains raw Kerberos credentials, whereas
> >>> renew is an Athena-specific alias that additionally authenticates to AFS
> >>> (via the Athena-specific fsid -a, though standard aklog will typically
> >>> also do) and tries to refresh your Zephyr service tickets.
> >>>
> >>> Speaking of Zephyr, what does "systemctl status zhm.service" report?
> >>>
> >>> -- Aaron
> >>>
> >>> Anthony Valenti Grebe <agrebe@mit.edu> writes:
> >>>
> >>>> Dear Ben,
> >>>>
> >>>> Thank you for your detailed response, and Im sorry that it took me so long to respond on my end.
> >>>>
> >>>> Ive tried answering both yes and no to the debathena-msmtp-mta prompt (on different install attempts), and it seems like Ive run into either prompts or
> >>>> installation problems either way. But if this step isnt necessary for accessing AFS, then I guess I will just leave the FQDN as localhost.mit.edu and not
> >>>> worry about this part.
> >>>>
> >>>> Ive tried to install debathena-standard from the installer script (that I got from debathena.mit.edu/install-debathena.sh) on both my laptop (running Ubuntu
> >>>> 14) and my Chromebook (running Ubuntu 16 on top of Chrome OS; Im not exactly sure how this works other than that Ubuntu lives inside a chroot). In the past,
> >>>> I hadnt been able to access AFS on my laptop, but for some reason it seemed to work today. (I think that Ive tried to run kinit before and still been
> >>>> unable to access AFS; today I tried renew instead, so maybe that is the difference?) Given that it now seems to be working on my laptop, I would believe that
> >>>> the Chromebook is having problems just because of conflicts between Ubuntu and Chrome OS.
> >>>>
> >>>> I cant seem to get Zephyr to work on either machine (it just says Hostmaster not responding while initializing Zephyr). This seems less important than AFS
> >>>> access, though, given that Zephyr doesnt seem to be in as widespread use as in the past.
> >>>>
> >>>> The one question I have left: Is there a difference between kinit and renew, and what is the point of each? I would have naively thought that I would use
> >>>> kinit to access AFS and only use renew if I had left my computer on for a long time, but empirically it seems like renew gives me access to AFS and kinit does
> >>>> nothing discernible.
> >>>>
> >>>> Thank you,
> >>>> Anthony
> >>>>
> >>>> On Oct 28, 2019, at 12:44 AM, Benjamin Kaduk <kaduk@mit.edu> wrote:
> >>>>
> >>>> Hi Anthony,
> >>>>
> >>>> There's a few points to cover here, so let me take them separately:
> >>>>
> >>>> This FQDN you're being asked for is part of the Postfix configuration, a
> >>>> mail transfer agent; it's unlikely to affect your ability to use AFS and/or
> >>>> zephyr. (Incidentally, my recollection is that most debathena systems
> >>>> ended up with exim, not postfix, but I could be misremembering. I believe
> >>>> there's also a question in the installer about debathena-msmtp-mta, for
> >>>> which a "yes" answer would probably avoid the postfix question.)
> >>>>
> >>>> The "correct" FQDN value to use depends on where your machine is located
> >>>> and who is providing the network for it. For example, machines in the
> >>>> W20-575 athena cluster had hostnames like w20-575-3.mit.edu because IS&T
> >>>> assigned them to be that way.
> >>>>
> >>>> Could you say a bit more about what procedure you're using to run the
> >>>> installation? In particular, what "metapackage" (like debathena-login or
> >>>> debathena-login-graphical) do you pick, and are you getting the installer
> >>>> script itself from https://debathena.mit.edu/install-debathena.sh ?
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Ben
> >>>>
> >>>> On Sat, Oct 26, 2019 at 12:02:24PM -0400, Anthony Valenti Grebe wrote:
> >>>>
> >>>> I'm trying to install debathena from the installer scripts online, but
> >>>> during the installation, I'm asked to specify the fully qualified domain
> >>>> name I want to use for Postfix and other programs. (The default option
> >>>> appears to be "localhost.") What should I put here?
> >>>> I've tried to run the installer several times without success (after
> >>>> installation I'm never able to access my files in the AFS system or send
> >>>> Zephyrs, even after typing renew or kinit), so presumably I'm doing
> >>>> something wrong, which might have been guessing the wrong domain name to
> >>>> use here.
> >>>> Thank you for any help you can give me here.
> >>>> Best,
> >>>> Anthony
