Log in as the root using ssh to your server
Type the following commands:
# cd /scripts
# ./updatenow
# ./easyapache
Just follow on screen instructions to rebuild Apache for CPanel server under Linux/FreeBSD OSes. Please note that you should see a menu on screen asking you which option you would like built into your apache install. Select options as per your requirements. Once it has completed it will automatically restart Apache for you and you will then be able to use the new features.