os- Red Hat family
experience- three years
known technologies:
load balancing- haproxy, nginx, proxysql,
security- csf/lfd, iptables, psad, fwsnort, bitninja
db- mysql(mariadb, percona), mongodb, pgsql,
db clusters- percona, galera,
mail- HA mail systems(postfix, dovecot, haproxy, amavisd, spamassassin), haraka, exim,
control panels- directadmin, cpanel,
programming- bash, python, php,