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From Martin Gregorie <mar...@gregorie.org>
Subject Re: bayes_toks location when running as a service
Date Sat, 23 Nov 2019 20:02:55 GMT
On Sat, 2019-11-23 at 13:07 -0600, Jerry Malcolm wrote:
> Bob & John.... Thanks so much for the info.  But as if I wasn't dazed
> & confused enough already, I have discovered a new variable to the
> whole thing.  I have set up a couple of sandbox EC2 instances just to
> play.  I didn't realize it at first, but one is AWS Linux 1 and the
> other is AWS Linux 2.  And the whole startup file structure is
> different between the two.  The Linux 1 env does indeed have
> /etc/init.d/spamassassin.  But I don't see anything that looks like
> it's setting a user to 'spamd'.  In 
> the Linux 2 env, I have:
> 
> /usr/lib/systemd/system/spamassassin.service that starts
> /usr/bin/spamd 
> using options file /etc/sysconfig/spamassassin
> 
That tells is that the AWS Linux 1 system uses the good old sysVinit
system for starting/stopping and controlling system services - its
virtually unchanged since it first appeared in Unix SVr4, while the AWS
Linux 2 system is using the newer Systemd in its place. 

Systemd appeared in  RedHat Linux's Fedora (their free distro) a few
years back when Fedora 20 was released and is a totally different beast.
Its gradually replaced SysvInit in all the main distros since then, so
now there only a few sysVinit based Linuxes and these are used by the
remaining systemd holdouts.

There's a decent documentation set for systemd here:
https://www.freedesktop.org/wiki/Software/systemd/


Martin



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