Hello, I have good knowledges of PHP web programming and skills about installation, configuration and maintenance of Apache2, Nginx, Oracle MySQL, PostgreSQL, uWSGI, ecc. and some JVM (java virtual machine) OS-related issues like heap sizing (Xmx, Xms). I setup projects concerning IT server monitoring using open source software like CACTI, OpenNMS and VMware vFabric Hyperic HQ and setup backup systems using Amanda/Zmanda platform. Good skills on managing services of different kind of Cloud Providers like Aruba (IT), Linode (FR), OVH (FR), AWS (Worldwide), BlueLightHost (UK), Contabo (DE). Very good knowledges of Zimbra Collaboration Suite and email deliverability using SPF, DKIM, DMARC features. Lot of experiance on ISPconfig environments.