<br><br><div class="gmail_quote"><div dir="ltr">On Tue, Feb 20, 2018, 21:06 Reindl Harald <<a href="mailto:h.reindl@thelounge.net">h.reindl@thelounge.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
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Am 20.02.2018 um 20:00 schrieb Paul Menzel:<br>
> Dear systemd folks,<br>
><br>
> We finally are going to upgrade from a very old systemd version 27 from<br>
> 2011 to the current systemd v237. (Historical reasons.)<br>
<br>
hopefully you have a working backup<br>
<br>
> Anyway, I already was told about `systemctl daemon-reexec`, and we got<br>
> it working.<br>
<br>
the "reexec" is misleading because it's not possible to terminate PID1<br>
and start it again on a running system with a new binary<br></blockquote></div><div><br></div><div>But you don't *have to* terminate pid1 to change the binary – you can just exec the new one. Hence the "reexec".</div><div><br></div><div>It's possible. That's how initramfs works.</div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
</blockquote></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><p dir="ltr">Mantas Mikulėnas <<a href="mailto:grawity@gmail.com">grawity@gmail.com</a>><br>
Sent from my phone</p>
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