Stamatios K.

Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2, KVM ), cleaning infected servers with malicious code, Anti spam solutions with ASSP ( Anti Spam SMTP Proxy ), amavis - clamav, spamassassin, mail services (Postfix,exim,qmail,Zimbra), versioning ( git, gitlab, etckeeper ), IDS ( snort, ossec ), Performance optimization and not limited to those above only, willing to expand my knowledge base to new horizons. As for Developing I am very experienced in C, PHP, Perl and many more to list.