Starting ntpd as non-root

[Hal Murray]

James said:
> I do not; a quick search suggests that SHM needed root.

"needed root" doesn't make sense in the context of that discussion.  Linux 
has a fine grained capabilities facility.  See man capabilities(7).  There 
is one for SHM.

       CAP_IPC_LOCK
              .  Lock memory (mlock(2), mlockall(2), mmap(2), shmctl(2));
              .  Allocate memory using huge  pages  (memfd_create(2),  
mmap(2),
                 shmctl(2)).


> Was it in February 2018 between you, Achim, and Gary? [1] 

I found that discussion and didn't find the message I was looking for.


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