git via proxy

git config --add http.proxy $http_proxy git config --global --add http.proxy $http_proxy

dell xps 12 touch screen linux

Touch screen not working. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1218973 https://bbs.archlinux.org/viewtopic.php?id=170815 http://news.gmane.org/gmane.linux.kernel.input

cgroups to restrict memory usage

http://hydra.geht.net/tino/english/faq/debian/squeeze/cgroups/