Here's one for you.
I work at home and often find myself distracted by going to my favorite websites. To avoid this problem I've been using the hosts technique to block particular websites. It worked for a while but I still find myself going to the hosts file and unblocking myself.
Does anyone know of anyway I can lock the file making it impossible to edit, but still allowing the system to use it properly? Permissions do not work, because I am the administrator and can pretty much do whatever I want; even if I delete all permissions besides the system.