What new security "feature" is screwing me up now?

[John Wendel]

On 01/19/2014 06:48 PM, Tom Horsley wrote:
> On Sun, 19 Jan 2014 15:16:41 -0500
> Tom Horsley wrote:
>
>> It is almost like nohup isn't preventing hup and it
>> is dying in the sleep command before it starts RH.
> Gaaah! Well, this turns out to be just totally
> obvious. All I need to do is put this line in the
> script I background from the udev script:
>
> echo $$ > /sys/fs/cgroup/systemd/user.slice/tasks
>
> Shucks, anyone should have known that!
Intuitively obvious to the casual observer. How did you figure it out? 
What does it do?

John