On Sat, Mar 19, 2022 at 10:04:59AM -0500, Nicholas Geovanis wrote: > On Fri, Mar 18, 2022 at 9:35 PM Greg Wooledge <g...@wooledge.org> wrote: > > > On Fri, Mar 18, 2022 at 10:32:49PM -0400, Lee wrote: > > > How to tell if I need to reboot the machine after updating the software? > > > > Reboots are needed if you got a new kernel, or new firmware, or new > > microcode, or a new version of the dbus package (because dbus cannot > > be restarted). > > > > And if there was an upgrade to a major C/C++ library, you may find a > message that > running processes using those libraries will be running on the older > library versions.
Yes. That's why apt will offer to restart services for you. > Only newly started processes invoke the new versions. So if a library bug > is causing you > a current problem, init itself or kernel-space code may need to be > reloaded. So a reboot. Huh? No, you don't need to reboot to restart these processes. Unless one of them happens to be dbus. You *can* reboot, if you want. If you're unsure, that's always the safest choice.