On Tue, Feb 20, 2018, 21:06 Reindl Harald <h.rei...@thelounge.net> wrote:
> > > Am 20.02.2018 um 20:00 schrieb Paul Menzel: > > Dear systemd folks, > > > > We finally are going to upgrade from a very old systemd version 27 from > > 2011 to the current systemd v237. (Historical reasons.) > > hopefully you have a working backup > > > Anyway, I already was told about `systemctl daemon-reexec`, and we got > > it working. > > the "reexec" is misleading because it's not possible to terminate PID1 > and start it again on a running system with a new binary > But you don't *have to* terminate pid1 to change the binary – you can just exec the new one. Hence the "reexec". It's possible. That's how initramfs works. > -- Mantas Mikulėnas <graw...@gmail.com> Sent from my phone
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