On Sat, Sep 13, 2014 at 3:32 AM, Chris Murphy <li...@colorremedies.com> wrote:
> > On Sep 12, 2014, at 9:47 AM, Richard Hughes <hughsi...@gmail.com> wrote: > > > The *only* way to do this > > securely and safely in the system we have now is in a clean pre-boot > > environment, > > Mostly clean post-boot environment, with the system we have now? > > > What we could do is do updates on shutdown by basically killing > > everything except PID 1, and then restart everything, but even then > > that relies on no systemd or kernel updates being present. > > Even if the system is fully rebooted once, after the update is done in a > post-boot environment, it's half the reboots needed now. > > One step up from this would be a way for packages to contain metadata > indicating they need a reboot after an update; if none require it, then > isolate graphical.target rather than a reboot. > One step up from this would be something like a kpatch process in rpm combined with packaged metadata that replaces in-memory modules so that reboots wouldn't be necessary. Yeh, probably impossible. Fred
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