Re: [LUG] Linux Mint 20 and autofs [trying to mount NFS shares on NAS]

[Michael Everitt <michael@xxxxxxxxxx>]

On 17/07/20 17:46, comrade meowski wrote:
> On 17/07/2020 14:21, Julian Hall wrote:
>
>> I knew there was something I hadn't done. I also installed
>> openssh-server on the laptop to make administering it easier.
>>
>> ulian@192.168.1.136's password:
>> julian@APHRODITE ~ $ sudo systemctl daemon-reload
>> julian@APHRODITE ~ $ sudo systemctl enable
>> /etc/systemd/system/media-julian-DEMETER.mount
>> julian@APHRODITE ~ $ sudo systemctl enable
>> /etc/systemd/system/media-julian-HESTIA.mount
>> julian@APHRODITE ~ $ sudo systemctl enable
>> /etc/systemd/system/media-julian-PERSEPHONE.mount
>>
>> All good so far. Daemon reloaded and all three mounts enabled.
>>
>> julian@APHRODITE ~ $ sudo systemctl start
>> /etc/systemd/system/media-julian-DEMETER.mount
>> Failed to start
>> etc-systemd-system-media\x2djulian\x2dDEMETER.mount.mount: Unit
>> etc-systemd-system-media\x2djulian\x2dDEMETER.mount.mount not found.
>>
>> I spoke too soon. For the moment I'll assume '\x2d' is a control code
>> for '-'. Why it now says it cannot find the mount point it only just
>> enabled is a mystery, the final hurdle though I hope! Is it saying
>> 'mount.mount' for some oddball reason?
>
>
> So close yet so far! The devil is in the details.
>
> You've enabled the mount units, not the automount units (which are the
> ones you want). It doesn't look like you swiped those across from the
> working machine either when you were copying the mount units.
>
> Also you don't enable systemd units by path, just by name. So you want to
> disable those three units again ('incorrectly' by path again, so just
> rerun the same three enable commands but change enable to disable) and
> then you'd enable them correctly with:
>
> sudo systemctl enable media-julian-DEMETER.mount (etc)
>
> But you don't want to do that, because you then want to create (or copy
> from the other machine) the automount units as well and then enable _them_.
>
> I keep saying this but the Arch wiki as ever is terse, up to date and
> correct:
>
> https://wiki.archlinux.org/index.php/NFS#automount
>
> Use that as a reference if in doubt.
>
> Don't forget that your shell history is one of your most valuable
> resources - presumably you've done all this previously (and successfully)
> on the other machine so if you ssh to it and use the history command you
> can root through your previous attempts to find all the working
> invocations you eventually used. Pipe history through grep (repeatedly)
> to narrow things down, it's a life saver.
>
> history | grep systemctl | grep enable | grep mount
>
> Lazier (after installing agrep):
>
> history | agrep 'systemctl;enable;mount'
>
agrep?! *googles* ... I hate cascading greps ...

grep -E (or egrep) with | (pipe) for an OR expression is good .. but AND I
haven't figured yet ...

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