A set of bash/perl scripts for common tasks.

system-fj: simple script to execute multiple system commands in parallel. Example:
 system-fj "sleep 10; echo 'sleep 10 completed'" "echo 'hello world'" "sleep 5; echo 'sleep 5 completed'"

random-mac: create a random mac address for Xen domU hosts.

random-chars: spit out random ascii characters

sha1sum: calculate file sha1sum

shuffle: random sort stdin