Senior Linux Server Administrator with more than 8 years of extensive experience in the field. ? Optimizing your costs, performance and happiness and I hate to waste time around, top efficiency only. My skills include, but are not limited to following: ? Administration and optimization of OS’s: Debian, Ubuntu, CentOS (RedHat, CloudLinux), Gentoo, FreeBSD, OpenBSD, and many others; ? Web Servers: nginx, Apache, lighttpd, LiteSpeed; Cloud Services: AWS, Google Cloud, RackSpace, Digital Ocean, Linode, etc; ? Database Servers (including performance optimization): MySQL, MariaDB, Percona, PostgreSQL, MongoDB; ? Mail servers and addons: Exim, Haraka, PowerMTA, Postfix, Sendmail, Qmail, Dovecot + Spamassassin, ClamAV; ? Web Hosting Management (WHM) Panels: cPanel, Plesk, DirectAdmin, ISPConfig, VestaCP, ISPManager, Webmin/Usermin, Ajenti, NodeWorx/InterWorx; ? Virtualization: Docker, OpenVZ, XEN, KVM, VMWare, Oracle VirtualBox; ? Load balancing: HAproxy, Nginx; ? Backups and restore automation + services; ? Network services: DNS (bind, powerdns), VPN (pptpd,openvpn), firewalls (iptables/ipfw), file server (samba3/4), proxies (squid, 3proxy, privoxy, nginx); ? Monitoring: Zabbix, Munin, Nagios; ? FTP Servers: Proftpd, Vsftpd, Pureftpd; ? Revision control systems: Git, SVN, CVS, Mercurial; ? Optimization of Wordpress, Joomla, Drupal, Magento, including other CMS systems and frameworks; ? Website Performance Optimization: PageSpeed Insights, GTMetrix, YSlow, Pingdom;