чо умею:
CentOS, Debian, Slackware, FreeBSD, ZFS, OpenVZ, KVM, Microtic, Openssl, GnuPG, CryptoPRO, OTRS, Weblogic, Jboss, Adempiere, Tomcat, Apache Archiva, Maven Proxy, Munin, Nagios, Cacti, Nginx, Apache, php-cgi, uwsgi, Memcached, Redis (+Replication), PostgreSQL (+Replication), MySQL (+Standart replication +Percona cluster), MongoDB (+Replication), Cassandra (+Replication), RabbitMQ (+Replication), Kafka, Zookeeper, Storm, Squid, iptables, ipfw, OpenVPN, pptp, Plesk, CPanel, Samba+LDAP, Qmail, Postfix, DRBD, Heartbeat, HaProxy, GlusterFS, NFS, кастомная сборка Linux ядра. Windows Server, Видеонаблюдение.