programm to edit rc.conf key/values ?

[Ruben]

sysrc nrpe2_enable="YES"

for instance


On 18/10/17 14:20, Kurt Jaeger wrote:
> Hi!
>
> I vaguely remember that there's a new way to edit the content of
> /etc/rc.conf via some command, to be used in scripting system-setups.
>
> Can someone point me into the right direction ?
>