On Sat, 2017-09-09 at 09:34 -0400, Sam Varshavchik wrote:
> Patrick O'Callaghan writes:
> 
> > NB: "replace" means "unlink the old one and create the new one with the
> > same name", e.g. using "mv". Overwriting the old file with new data is
> > different and in the case of executables or libraries will almost
> > certainly cause problems.
> 
> Which is why rpm does not install each file from each package simply be  
> creating this file and writing it out. rpm always creates the file with a  
> temporary name, and renames it once it finished writing and closing it.
> 
> In short, there is no valid, technical, fundamental reason why a dnf upgrade  
> should leave the system in an unstable state, or somehow interfere with any  
> running daemon; and why a running daemon has to intentionally go out of its  
> way to frak things up if it was upgraded while it was running.

In case it wasn't clear, I'm agreeing with you. However I still would
like to know how to restart those services which don't come with a unit
file, other than rebooting of course. The problem is that each case is
different and many are not reliably documented.

poc
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