ls -alp /etc/ssh/ssh_host_dsa_key.pub | cut -d ” ” -f6-10

the keys are generated when you install the os.

For Redhat system you can also check following.

rpm -qi basesystem | grep “Install Date”

Boston T MBTA time it takes to travel. For those who wants to plan out travel by MBTA and wanted to know how much time it takes to travel to and from different station. This should be useful to them.