| B | Basis | Theoretische basiskennis aanwezig en ben in staat om met het product te werken/of het in te richten |
| G | Gevorderd | Theoretische basiskennis of beter en ruime hands-on ervaring |
| E | Expert | Theoretische kennis, ruime hands-on ervaring en langdurig in een productie omgeving mee gewerkt. |
| GNU/Linux distributies | B | G | E |
| CentOS | X | ||
| Debian | X | ||
| Red Hat | X | ||
| SuSE | X | ||
| Ubuntu | X | ||
| Client Software | B | G | E |
| GNU/Linux | X | ||
| Mac OS X | X | ||
| Windows | |||
| Network Services | B | G | E |
| DHCPd | X | ||
| Bind | X | ||
| ntpd | X | ||
| OpenLDAP | X | ||
| MIT Kerberos | X | ||
| Apache | X | ||
| NGINX | X | ||
| lighttpd | X | ||
| Squid | X | ||
| OpenSSH | X | ||
| Databases | B | G | E |
| PostgreSQL | X | ||
| Storage (software) | B | G | E |
| CEPH | X | ||
| multipathd | X | ||
| nfsd | X | ||
| OpenISCSI | X | ||
| OwnCloud / NextCloud | X | ||
| SAMBA | X | ||
| sshfs | X | ||
| VSFTPd | X | ||
| Backup Tools | B | G | E |
| Bacula | X | ||
| rsync | X | ||
| Security Tools | B | G | E |
| AIDE | X | ||
| ClamAV | X | ||
| denyhosts | X | ||
| fail2ban | X | ||
| iptables | X | ||
| Lynis | X | ||
| OpenVPN | X | ||
| PAM | X | ||
| rkhunter | X | ||
| Sudoers | X | ||
| Mail / Messaging / Telephony | B | G | E |
| Asterisk | X | ||
| ejabberd | X | ||
| jabberd | X | ||
| mailman | X | ||
| Postfix | X | ||
| Deployment Tools | B | G | E |
| Ansible | X | ||
| Puppet | X | ||
| Salt | X | ||
| Vagrant | X | ||
| Monitoring Tools | B | G | E |
| Icinga | X | ||
| NAGIOS | X | ||
| Net-SNMP | X | ||
| smartmontools | X | ||
| Hardware | B | G | E |
| Dell Servers | X | ||
| Dell ML6000 | X | ||
| Dell MD3xxx | X | ||
| EMC Isilon | X | ||
| Dell Caringo | X | ||
| Routers | X | ||
| Ethernet Switches | X | ||
| Ethernet | X | ||
| WiFi | X | ||
| Languages | B | G | E |
| Nederlands | X | ||
| English | X | ||
| Bash / Shell-scripting | X | ||
| HTML | X | ||
| PHP | X | ||
| Python | X | ||
| ANSI C |