Centos Web Panel Custom Module For Users Used Quota. Module show used quota for User's home dir, mysql and emails
Edit this file (if the file doesn't exist, create it)
/usr/local/cwpsrv/htdocs/resources/admin/include/3rdparty.php
add this line
<li><a href="index.php?module=users_used_quota"><span class="icon16 icomoon-icon-arrow-right-3"></span>Users Used Quota</a></li>
Download users_used_quota.php
Upload users_used_quota.php in /usr/local/cwpsrv/htdocs/resources/admin/modules/
You can access the module from Other Menu in CWP Menu
I am open to suggestion, feel free to pull request if you think you can improve my code.