:: Re: [DNG] OpenRC and Devuan
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Autor: Joel Roth
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A: dng
Assumpte: Re: [DNG] OpenRC and Devuan
Steve Litt wrote:
> Joel Roth <joelz@???> wrote:
>
> > Hendrik Boom wrote:
> > > There's a small number of directories that are supposed to be on
> > > the root filesystem, or otherwise available during boot. I
> > > believe /etc and /bin are two of these.
> > >
> > > /usr is not. I suspect /var isn't either.
> > >
> > > init is supposed to be able to read /etc/fstab to find the others.
> > > That's why /etc has to be on the root filesystem.
> > >
> > > So it is available for init-time configuration files.
> >
> > /etc is the right place for config files, and init scripts
> > have historically lived there. I hope we can agree on at
> > least this part!
>
> No doubt about it. /etc is the tree where init scripts, run scripts,
> EpochConfig files belong.
>
> I think the nonobvious thing comes from the daemontools-inspired inits,
> which at a minimum have a /service directory somewhere that contains
> symlinks to the actual service directories. No reason that can't be
> somewhere under /etc. Daemontools, and maybe some other ones, also have
> a /command directory, directly off the root, that houses executables
> specific to themselves. It's possible this odd placement is to
> guarantee they're available the minute the root partition is mounted.


Interesting, I thought /sbin was historically for statically
linked executables needed at boot time, or for system
recovery.

> Bizarrely, Runit on Void Linux has a directory at /run/runit that has
> all sorts of oddball symlinks. I believe this is so, if /etc/ is
> mounted read-only, parts of Runit that need to change file conttents
> can still operate. I think this is usually placed at /var/run/runit,
> but on Void it's just /run/runit.
>
> I did a little runit experimentation during my Manjaro Experiments, and
> have found that Void's runit implementation is much more complex and
> full of chained symlinks than was my Manjaro alt-initted runit.


Well, all of these sources can be patched to suit the
policies of Devuan, if it can be agreed what these policies
are :-)

> SteveT
>
> Steve Litt
> April 2016 featured book: Rapid Learning for the 21st Century
> http://www.troubleshooters.com/rl21


--
Joel Roth