This is QEMU virtual machine with Raspbian OS for students KNUCA
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Anti Spam SMTP Gateway
Pioneering Private and Public Cloud Management since 2008
32 bit VIRGO Linux Kernel
LXCF (LXC Facility) generates LXC container of full OS environment.
Linux OS from ubuntu, customisable for everyone, social and media