Put the following line in /etc/profile and put the attached titles file in /etc/.
echo Welcome `id -un`, `sort -R</etc/titles|head -n 1`!
The next time someone logs in, there will be an appropriate greeting:
/home/jaseg
<3 ssh [email protected]
When xscreensaver starts screen saving, instead of a boring screen saver it spawns a small shell script. This shell script starts a new X server with a very minimal awesome window manager and unfreezes a kvm virtual machine containing a Windows XP on that X server, ready to be used by any passersby. To unlock the screen, you need to switch back to the VT where your usual X is running. As soon as the screen is unlocked, xscreensaver sends a SIGTERM to the shell script which in turn stops all the X servers, window managers and virtual machines it launched and resets the VM image. Should the VM exit before the screen is unlocked because somebody pressed "Shut down" the VM image is reset and the VM restarted.
Since password managers are big and complicated and I currently am pretty bored since I am sitting in a car for a few hours, here is a simple algorithm to generate resource-specific, unique passwords using a master password and no password database.
As pointed out here: http://news.ycombinator.com/item?id=4374888 this method is broken.
This is a small line of bash to coax a Minecraft server into generating a large rectangular piece of the world. To use it, the Minecraft server first needs to be stopped and your inventory needs to be placed in some chest. That being done, start the server with the following line (after you replaced "jaseg" with your nick):
(sleep 3m;
echo "/gamemode creative jaseg";
for x in $(seq 0 192 3200); do
for z in $(seq 0 192 3200); do
echo "/tp jaseg $x 128 $z";
sleep 60s;
done;