NetBeans can surely help you use SVN inside but committing the changes you need svn server. In cPanel server you can install svn server and you can commit to it from your IDE. If you are using shared server, you need to ask your system administrator to install svn on the server and create a repository for you. Then you can use that repository to commit and checkout to/from any number of places you want (as long as you provide correct credentials).
However, cPanel needs not to be related with SVN, for your purposes at least.
[Note: why not you upgrade yourself to use git (http://git-scm.com) and you can use http://github.com and many other to host your projects]