I have spent approximately 5+ year as a Linux Administrator in leading hosting company with the main responsibilities of installing ,maintaining and configuring all Linux operations, troubleshooting network server and application issues, and administrating qualitative and continuous use of Linux for internal company efficiency and operations. As part of this position, I had to troubleshoot customer issues through helpdesk and live chats. For various companies to solve problems such as: -- Server load too high -- Services (apache, dns, exim, databases like mysql and postgress) not responsive or not starting up properly -- Setup/Handled issue related to Xen/Openvz system -- Network problems (ip routing, etc) -- Server recovery (servers hacked, etc) -- Server moves (moving from one DC to another, etc) -- and many many more I am having experience in the following areas * Linux OS and applications (apache, PHP, MySQL, IPtables, etc) * Security applications (APF, BFD,AIDE,kernel with grsecurity patch etc) * cPanel, Plesk, webmin and DirectAdmin * Virtuozzo and VPS Linux * I have good knowledge in nginx