tips for writing img to usb thumb drive

[Justin Sherrill]

On Sat, Jan 2, 2016 at 11:52 PM, jungle Boogie <jungleboogie0 at gmail.com> wrote:
> By the way, is there a preferred method to edit /etc/rc.conf. FreeBSD
> has sysrc and you can do sysrc someservice_enable=YES and it will
> enable it.

rcrun and associated commands are what you need:

https://www.dragonflybsd.org/cgi/web-man?command=rcrun&section=ANY

For the other question you had on updating: yes, your procedure
(pull/build/install) is correct.