System administrator
- Infrastructure Management/creation.
- Linux/UNIX maintenance/troubleshooting: Ubuntu/Debian/Gentoo, FreeBSD
- Web Servers: Nginx, Apache.
- Linux server: firewalls, DNS, DHCP, VPN, proxy, ClamAV and most tools.
- Monitoring: Zabbix, Nagios, Cacti
- DB: MySQL, PostgreSQL
- Backup/Migration/Replication
- Mail servers: Postfix, Exim, Dovecot
- Security: iptables, fail2ban
- Virtualization: VMWare, Proxmox, LXD, VirtualBox
нові проекти, нові технології

- Infrastructure Management/creation.
- Linux/UNIX maintenance/troubleshooting: Ubuntu/Debian/Gentoo, FreeBSD
- Web Servers: Nginx, Apache.
- Linux server: firewalls, DNS, DHCP, VPN, proxy, ClamAV and most tools.
- Monitoring: Zabbix, Nagios, Cacti
- DB: MySQL, PostgreSQL
- Backup/Migration/Replication
- Mail servers: Postfix, Exim, Dovecot
- Security: iptables, fail2ban
- Virtualization: VMWare, Proxmox, LXD, VirtualBox
нові проекти, нові технології