On Wed, 2025-12-10 at 12:54 -0500, Przemek Klosowski via devel wrote:
> On 12/10/25 12:12 PM, pgnd wrote:
> >
> > its deps
> >
> > [Unit]
> > Description=Automounts filesystems on demand
> > After=network.target ypbind.service sssd.service
> > network-online.target remote-fs.target rpc-statd.service rpcbind.service
> > Wants=network-online.target rpc-statd.service rpcbind.service
> >
> > are a good starting point
> >
> > ( that said, i've added 'sleep xx' to units more than once !)
>
> I am not sure if it's relevant here but I remember getting in trouble
> because I modified /lib/systemd and it was overwritten by an update. It
> turns out that overrides need to go in /etc/systemd. There's a systemctl
> way of doing it:
>
> systemd cat Automounts prints the current setting
>
> systemd edit Automounts allows to change it by creating
> /etc/systemd/system/Automount.service.d/override.conf
>
> BTW, overriding is tricky---some properties are overwritten and some are
> appended to. I think "After" does append-to, and in some cases when
> starting from a blank slate is called for, you need Entry=' ' followed
> by Entry="newcontent" but other times you have to override the entire
> config file ('systemctl edit --full ???)
>
> It was not clear to me how it works---I gave up trying to understand it
> fully for now, so this is just a note to watch for it if it becomes
> important in the future.
>
> Can someone recommed a good writeup of this topic?
The various systemd man pages (mainly systemd.unit , but also
systemd.service etc.) cover it under the name "drop-in", that's the key
term to search for.
--
Adam Williamson (he/him/his)
Fedora QA
Fedora Chat: @adamwill:fedora.im | Mastodon: @[email protected]
https://www.happyassassin.net
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