[ubuntu] cronjob screen ts3 server bukkit server

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http://ubuntuforums.org – well I hope this is the right place to be posting such a thing :) I would like to use cronjob to open up a screen of my ts3 server (name it ts3) then dc from that screen then open another (name bukkit) and open my bukkit server, this way I can quickly ssh to my screen if needed to and its faster then having to reboot then ssh make screens and open server apps, ive already got a cronjob going to restart the server computer every monday at 1am :D but every time it does that I would like another cronjob to screen into bukkit and run commands save-all and backup and then stop and then reboot the (Hardware)