From the comments in /etc/rc.d/rc.local:


# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure
# that this script will be executed during boot.



On Sat, 29 Aug 2015 12:46:18 -0700
ToddAndMargo <[log in to unmask]> wrote:
> >
> >         $ ls -al /etc/rc.d/rc.local
> >         -rwxr--r--. 1 root root 1013 Aug 29 11:20 /etc/rc.d/rc.local
> >

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