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and maintaining Linux based operation systems Debian, Ubuntu, CentOS, and Unix-like FreeBSD; - Administration of the: MTA(Dovecot, Postfix, Exim4, MS Exchange Server), FTP, SQL(MS SQL, MySQL, PostgreSQL, MongoDB), LAMP(Apache, Nginx, PHP), HAProxy, DNS, DHCP, NPS, DFS, NAS, VPN; - VoIP servers; - AD, LDAP, AAD; - Extensive experience with DigitalOcean, Amazon AWS, GCP, Vultr, Azure, and other cloud service providers; - Ubiquity, Mikrotik…
