In order for you to play Munin on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu Linux 10.10 or later, other distros incl. Arch Linux, Gentoo, Debian should work. Both 32-bit and 64-bit systems are supported
Processor (CPU):
2.33 GHz Single Core
Memory (RAM):
1 GB RAM
Storage:
2 GB available space