I have expertise in analysis of existing website mechanics, tuning nginx configurations of any complexity, working with cloud systems, including Amazon Web Services, MS Azure. I can write code in perl, python, php, bash/dash, C/C ++. I have expertise in www, ftp, dns services on OS Linux / FreeBSD / Windows. My preferred Linux - Debian, Ubuntu. Can set up routing, remote access, network backbone based on Cisco Systems, Juniper, D-Link, Mikrotik, etc.