nosh init system
Enji Cooper
yaneurabeya at gmail.com
Sun Feb 10 03:17:49 UTC 2019
> On Feb 9, 2019, at 10:32, Adam <amvandemore at gmail.com> wrote:
>
>> On Sat, Feb 9, 2019 at 11:57 AM Enji Cooper <yaneurabeya at gmail.com> wrote:
>
>> On Feb 9, 2019, at 09:32, Wojciech Puchar <wojtek at puchar.net> wrote:
>>
>> >> pid 2 and reap zombies. We're missing a half-decent service
>> >> management system. On Linux, systemd performs both roles. On
>> >> FreeBSD, init(8) serves one role, and rc(8) is a tiny subset of a real
>> >> service management system like systemd.
>> >
>> > systemd is overcomplex crap. And a reason many people migrated to FreeBSD from linux.
>> >
>> >>
>> >> (I think the piece we would consider replacing or supplementing would
>> >> be rc(8). Part of that might be migrating some responsibilities from
>> >> pid 1 to pid 2, such as spawning gettys. I don't hold strong opinions
>> >> about that.)
>> >
>> > this make sense but with spawning gettys left to init.
>> >
>> >
>> > what do you want to improve in rc? starting services in parallel doesn't seem to be major problem to make i think.
>>
>> Starting and stopping services based on logical events and “run levels”, apart from what devd handles with hardware events is what comes to mind for me.
>>
>> rc(8) is also incredibly fragile when it comes to starting or stopping services beyond first boot, or when dealing with “optional” services, like nis/yp. I tried to clean this up a few years ago, but it’s not close to my ideal design (it feels like a bubblegum and duct tape solution).
>
> "incredibly fragile" indicates there is some common, easily triggered issue with it. Can you elaborate please? I stop and restart base services and others on a regular basis and don't see an issue there although I also haven't use NIS for some time.
Try restarting netif if you have a static route set; it will break routing (until you restart the routing pseudo service), causing your machine to become unreachable if you’re not on the same network segment.
Linux doesn’t have this problem; neither does OS X.
Thanks,
-Enji
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