Dnia 10.12.2024 o godz. 01:58:58 Michael Tokarev via Postfix-users pisze:
> >Hm... read-only /etc? How do you reconfigure anything then?
> 
> Remount-rw, configure, remount-ro.  There's no need to configure
> anything during regular system operations, actual time when
> configuration is happening is a tiny fraction from all time
> it is running.

Hm... when it comes to Postfix only, I update usually everyday, or every few
days, list of manually blacklisted senders (in addition to RBLs) referred in
smtpd_*_restrictions. It's kept in /etc/postfix, I could theoretically put
it elsewhere, but why, if that directory is just meant for such things?  I
also sometimes update the aliases file, especially when users are created
or deleted (also creating/deleting user accounts themselves means modifying
/etc/passwd and /etc/shadow, at least).

There is also a webserver on the same machine, which needs configuration
tasks on its own, and I prefer to configure eg. redirections (which may
change quite often when I update the website) in main Apache config than in
.htaccess, to have everything in one place.

Definitely, it may be considered a "tiny fraction" of time the system is
running, but for me it happens often enough that I don't want to go each
time through remount-rw/remount-ro routine. Of course, I understand that
someone may choose to do this as a "safety net" - as you said - but it's
just not my thing :).
-- 
Regards,
   Jaroslaw Rafa
   r...@rafa.eu.org
--
"In a million years, when kids go to school, they're gonna know: once there
was a Hushpuppy, and she lived with her daddy in the Bathtub."
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