place your mat on the floor and unroll it, do not drop it, that huge CRACK! is not cool, ever!!! (for more on cracks see tip #1). If you are taking a hot yoga class try rolling your towel up in your mat when you're preparing your stuff the night before.

nmap -sT -O localhost

netstat -an

lsof -i

the following command will sort and show all of the rpm packages installed on a computer using less

rpm -qa | sort | less