Jessie upgrade without systemd [was: Debian *not very good]
Joe:
A fair number of wheezy systems will be servers, upgraded many times.
Mine started out as sarge. What are the odds of such a system making
the change to systemd without problems?
It depends. But my own experience is that *if they were already using
systemd* on Debian 7, it was a certainty that Debian bug #774153 will
rear its ugly head in an upgrade to Debian 8. I personally hit it with
every single such system that I upgraded. I hit it on test systems
first, of course. So I had to put retaining shell access during the
upgrade, to wait for the indeterminate point somewhere in the midst of
about seven hundred package upgrades (alas, not at the same point on
every machine) that one needs to go in and hand-run "daemon-reexec",
into the upgrade procedure.
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