Update the system’s software by running ’yum update’ from the command line

[informedtalk]

How can I do this "yum update"

Current kernel version is out of date. running kernel: 2.6.32-573.22.1.el6.x86_64, most recent kernel: 2.6.32-573.26.1.el6

Update the system’s software by running ’yum update’ from the command line and reboot the system.

 

[informedtalk]

How do I reboot the new kernel via ssh?