Platforms
- Linux (Ubuntu, gentoo, RedHat, CentOS, Debian)
- Windows operating systems
- Mac OS X
- Solaris
- NetBSD, OpenBSD, FreeBSD
Solutions
- Server based computing
- Virtualisation
- High availability
- Remote networking
- Email and groupware systems
- Email archiving
- Virus protection/anti-spam solutions
Network technology
- LAN, WAN, VLAN, WLAN
- Internet access, VPN
- DNS, dhcp, snmp, nagios
- Switching, Routing, Firewall
- Ethernet, LWL, Fiber
Database servers
- MySQL
- Oracle
- Postgresql
- Sybase
- LDAP
Services
- LDAP, AD, SQL
- smb, nfs
- ftp, http, https
- smtp, imap, pop3, Exchange
- SyncML, RDP, ssh
Hardware producers
- Hewlett Packard
- Fujitsu TS
- 3Com, Fortinet
- Apple, IBM
- and many more...
