+# Power management as per <http://thinkwiki.de/TLP_-_Linux_Stromsparen>.
+echo '' >> /etc/apt/sources.list
+echo 'deb http://repo.linrunner.de/debian jessie main' >> /etc/apt/sources.list
+apt-key adv --keyserver pool.sks-keyservers.net --recv-keys CD4E8809
+apt-get update
+apt-get -y install linux-headers-amd64 tlp tp-smapi-dkms
+sed -i 's/^#START_CHARGE_THRESH_BAT0/START_CHARGE_THRESH_BAT0=10 #START_CHARGE_THRESH_BAT0/' /etc/default/tlp
+sed -i 's/^#STOP_CHARGE_THRESH_BAT0/START_CHARGE_THRESH_BAT0=10 #STOP_CHARGE_THRESH_BAT0/' /etc/default/tlp
+sed -i 's/^#DEVICES_TO_DISABLE_ON_STARTUP/DEVICES_TO_DISABLE_ON_STARTUP="bluetooth wifi wwan" #DEVICES_TO_DISABLE_ON_STARTUP/' /etc/default/tlp
+tlp start
+