* Providing technical support for customers through Helpdesk on 24/7 rotational shift basis. * Built and configuring LAMP (Linux, Apache, MySQL, and PHP) Servers. * Installation, Configuration, Maintenance and Troubleshooting of Apache Web Server with SSL and various third party Apache modules based on the requirements. * Hardening/Performance tuning in Apache web Servers. • Installation, Configuration, Maintenance and Troubleshooting of Mail and MySQL Server. * Implementation of firewall using IPTABLES and third party firewall tools like APF, CSF etc., * Installation and Worked with various Mail Services like SendMail, Qmail and Exim. * Diagnose and analyze service outages and implement solutions with improved stability. * Knowledge in RAID and LVM. * Securing hacked web servers by applying patches and editing Apache, PHP and MySQL configurations * Wide Knowledge in Domain Registration and Hosting Concepts. * Proficient with typical Linux toolbox of open source software and management tools like Rkhunter, Chkrootkit, BFD, Apf, Nagios, Mrtg, etc., * Web hosting interface installation and configuration (cPanel and Plesk panels)* Virtual server management – KVM, Open VZ, Xen, SolusVM – Provisioning Backups and Migration* Mail server Management – Zimbra, Exim and Qmail* Mysql replication and optimization* Core services troubleshooting* Customer Handling and Communication Skills.

I've been assigned to Linux systems administrative tasks like setting up new servers with Centos, installation and maintaining Apache/PHP, MySql, Email servers (Exim, postfix, Dovecot), etc. J2EE app servers installation and configuration like JBoss and GlassFish, and java container installation, configuration and maintenance like Apache Tomcat in server and ticketing support on customers via ticket system Nginx installation and configuration in server, ssl configuration.Installation and configuration of various types Linux flavors especially CentOS, Fedora, Ubuntu, Linux Mint and windows.Troubleshooting various level OS related issues and finding the root causes for the issues at the earliest. Performing user/group administration and establish remote desktop connections.