How to enable IP Forwarding in Mac OS X

Another note to self: how to enable IP forwarding in Mac OS X:

sudo sysctl -w net.inet.ip.forwarding=1

(credit: Stack Exchange)

How to disable ASLR in Linux

Quick note to self on how to disable ASLR (address space layout randomization) in Ubuntu Linux:

$ sudo sh -c "echo 0 > /proc/sys/kernel/randomize_va_space"

How to get a List of Installed JVMs on a Mac

I got this tip from a fellow worker:

$ /usr/libexec/java_home -V

This command will get you the list of installed Java Virtual Machines installed on your Mac OS X system.