Wow! great job On Thu, Feb 2, 2017 at 5:18 PM, Marc Juul <juul(a)labitat.dk> wrote:

On Thu, Feb 2, 2017 at 4:32 PM, Brandon Curtis <procure(a)brandoncurtis.net> wrote: yar$ cat /etc/systemd/system/routercheck.service [Unit] Description=Cheap Router Check Daemon After=network.target [Service] User=yar ExecStart=/home/yar/bin/router-check.sh WorkingDirectory=/home/yar Restart=always RestartSec=60min [Install] WantedBy=multi-user.target yar$ cat /home/yar/bin/router-check.sh #!/bin/bash url=http://computers.woot.com/offers/wd-mynet-n600-2x2-wireless-n-router-56 sender=routeralert(a)sudoroom.org recipient=mesh(a)lists.sudoroom.org echo "checking for cheap routers..." while :; do if curl -sD - -o /dev/null "$url" | grep -qE '^HTTP/1.1 404 Not Found'; then # it's still a 404 #echo "no cheap routers found. sleeping for 1h..." sleep 1h continue else # it's no longer a 404 echo "cheap router found, mailing the list" echo "This url no longer returns a 404 error: $url" \ | mailx -r "$sender" -s "cheap router alert" "$recipient" echo "list mailed. exiting." exit fi done yar 445T~$ sudo systemctl enable routercheck [sudo] password for yar: Created symlink from /etc/systemd/system/multi-user.target.wants/routercheck.service to /etc/systemd/system/routercheck.service. yar$ sudo systemctl start routercheck yar$