Re: Error while trying to install openssh-server on Buster
On Fri, Jul 24, 2020 at 09:49:04PM +0300, Andrei POPESCU wrote:
> Aren't those files an internal implementation detail? Most users won't
> ever need to interact with those files or even be aware of their
> existence.
The whole design is built around "you can do this with systemctl commands,
or by manually changing symlinks around". The files are directly exposed
to end users, and documented as such.
(I imagine that a big part of the reasoning behind this was to ease
the transition for sysv-rc users, who are/were accustomed to manipulating
symlinks in /etc/rc*.d/ directories to enable and disable services.)
>From systemctl(1):
enable UNIT..., enable PATH...
Enable one or more units or unit instances. This will create a set
of symlinks, as encoded in the "[Install]" sections of the
indicated unit files. After the symlinks have been created, the
system manager configuration is reloaded (in a way equivalent to
daemon-reload), in order to ensure the changes are taken into
account immediately.
And so on. I believe there was some page on 0pointer.de that talked
more about this, but damned if I can find it right now....
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