Your project is my project, applying my experience in Linux, Windows. * Installation / Configuration / maintenance / troubleshooting (RHEL, CentOS, Debian, Ubuntu), * VOIP Asterisk Elastix * Virtualization *: (OpenVZ, Virtuozzo) * Networking (DHCP, DNS: PowerDNS / bind / named, * vpn: openvpn / pptp, firewall: iptables / ipfw, QoS, proxies), * web servers (apache, lighttpd, ddos), * mail servers (postfix, antispam / antivirus clamav / spamassassin / amavis, courier) * Monitoring (nagios, zabbix). * SVN, Backup's (Bacula Server, Client)