I have more than 20 years of experience in Linux, Solaris, Windows administration. I have worked with small and medium size companies. Projects that I was involved in include: - Linux remote administration - Malware and virus removal (Wordpress, Magento, OSCommerce, etc) - Virtualization (Proxmox, virtualbox) - Network file systems (nfs, drbd, ocfs2, gfs) - Server security (VPN, firewall, IDS) - Server performance optimization (Apache, Nginx, MySQL) - Email white-listing, spf, dkim, high load delivery, performance - Backup, shell scripts, etc.