On Tue, Nov 3, 2015 at 3:29 PM, Paul W. Frields <sticks...@gmail.com> wrote:
> On Mon, Nov 02, 2015 at 01:34:57PM -0500, Jon Stanley wrote:
>> On Mon, Nov 2, 2015 at 1:29 PM, Jon Stanley <jonstan...@gmail.com> wrote:
>> > Other than that looks great!
>>
>> Oops, one more - KillMode=process is important for sshd, but probably
>> not for 99.9% of other units, so it was probably a bad choice to
>> examine. What it really does is when you stop it, systemd only
>> terminates the main PID, and not any children that may be in the same
>> cgroup. For sshd, this is critical since if you are connecting via
>> ssh, and do 'systemctl stop sshd.service', then your session would die
>> since it would kill everything in the cgroup.
>>
>> I'm not certain if we want to get into details like that in this post
>> (it's somewhat esoteric), but it is critically important IMO to
>> understanding how systemd uses cgroups to group processes and
>> optionally apply resource controls to them.
>
> We haven't gone deeply into cgroups and I was thinking of saving that
> for an additional post.  But this is probably something that can be
> explained in simple terms in the article, as you've explained it quite
> well here.  The fact that it's an abnormal usage is not necessarily a
> terrible choice.

I made all the changes Jon noted. This article is ready to go.

-- 
Paul
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