gistfile1.sh

# Disk Usage per folder
ls -1 | while read name; do sudo du -sh "$name"; done | sort -h

# DNS lookups - handy when generating white list for proxy
sudo tcpdump -i any udp port 53 -vv -l | grep 'q: A' --line-buffered > ~/dns-lookups
cat ~/dns-lookups | awk '{ print \$10}' | sort | uniq

# Bash random string
date +%s%N | md5sum | head -c 7