* Linux Administrator ( Centos, Ubuntu, Debian, RHEL.)
* Citrix: Xenapp, Xendesktop 7.6
* WHM/Cpanel Specialist ( WHMCS, WHM/CPanel installation with Centos 7)
* Website script and Development ( Play Tube, Magento, OpenCart, Wordpress, Joomla, Moodle,
PimeCore, LIMS, Rocket Chat, Mantis Bug Tracker, Library Management System
Software etc)
* Amazon Web Service (AWS)
* HA Proxy, NGINX, : Load Balancing and Reverse Proxy
* VPN: Strongswan, Openvpn, Openswan(Configuration and troubleshooting)
* Pfsense, IPFire ( Firewall, Internet GW, Squid Proxy server, AD group based web
content filtering, Advertisement filtering)
* Linux Email (Postfix, Dovecot)
* vmware esxi 6.5 hypervisor
* Windows Server (2008, 2012) Administrator
* Exchange 2010, 2013, 2016, SSL Certificate renew installation
* Apache-tomcat java based application installation
* Asterisk PABX : Design and implement
* Goautodial, Vicidial: Design and implement Call center.
* Vyatta: Site-to-site VPN using the Vyatta