How do I recompile apache in WHM?

To recompile apache, select Software, then Update Apache from the WHM main page. Check the options that you want to include, and click Start Build. Note that you should not just check every box, or you will probably end up with a broken configuration.

If you do not know which boxes to check, use the default configuration. It will take a while for apache to rebuild. If you have any problems during this process, you can always return to Update Apache and restart the build. If your new configuration does not work, return to this screen and select Load Previous Config. If all else fails, you can select Reset Apache Config to Default (towards the bottom of the page) and click Start Build