On Fri 05 Aug 2016 at 15:03:47 (+0100), Brian wrote: > On Fri 05 Aug 2016 at 12:00:28 +0100, Lisi Reisz wrote: > > > On Friday 05 August 2016 11:40:28 Brian wrote: > > > > > > How essential is this? cron could > > > > > > ip route add default via <gateway_IP> > > > > > > at specific times between 9pm and 9am and then remove the default route. > > > If the machine isn't up all the time it seems unnecessary to me. > > > > Perhaps he wants to stop his children/grandchildren/house guests surfing > > the > > web at 3:00 am. > > Possibly. > > Let us look at this from a different angle. If the machine is given a > fixed address it negates the need for dhcp checking, If, additionally, > no gateway to the internet is specified there would be no access to the > internet at any time. > > For an always-on machine cron jobs could switch routing at 9am and 9pm. > If the machine was rebooted after 9pm there would be no internet. A > reboot after 9am presents a problem. This could be solved by having cron > check every five minutes between 9am and 9pm and providing a gateway to > the internet.
No need to wait for five minutes; cron has a @reboot parameter, eg, @reboot /sbin/kbdrate -r 8 -d 500 -s slows down the keyboard repeat key so that Cindy-Sue can login more easily. Cheers, David.