On Sat, 12 Nov 2022 11:04:39 -0500 Greg Wooledge <g...@wooledge.org> wrote:
> On Sat, Nov 12, 2022 at 10:41:15AM -0500, pa...@quillandmouse.com > wrote: > > Folks: > > > > I've been reading up on systemd, both from Red Hat's documentation, > > Debian's and the man files. One thing I haven't been able to > > explain is why systemd has config files in /etc, /lib, /run, and > > /usr/lib. > > /lib and /usr/lib are the same thing, or will be the same thing in a > future release. Don't worry about that. > > /run is transient. It's an in-memory file system, created and > populated at boot time, or by running programs. It's not a place for > configuration. > > So really you're looking at /etc vs. /usr/lib. > > /usr/lib contains the defaults created by the Debian maintainers or > the upstream authors. When you install a new package that has a > systemd unit file, that's where it'll go. > > /etc contains the overrides and configuration elements that are unique > to your system. If a service is masked or disabled, it'll be done > here. If you install a locally built service, and write a systemd > unit for it, this is where you'll put it. If you override part or > all of a package's unit file, you do it here. > Thanks for this excellent explanation. I wish the folks who write docs would try to explain things in English instead of geek-ese. I'm a programmer, and I try to keep this in mind whenever I write docs. That said, though, the Red Hat docs for systemd are pretty good. Paul -- Paul M. Foster Personal Blog: http://noferblatz.com Company Site: http://quillandmouse.com Software Projects: https://gitlab.com/paulmfoster