It's been a while since I used it on "embedded systems" but in our case it was running on top of OpenWRT and OpenBSD on appliance-like SOC systems (think of Soe

It's been a while since I used it on "embedded systems" but in our case it was running on top of OpenWRT and OpenBSD on appliance-like SOC systems (think of Soekris and Mikrotik), not directly on microcontrollers.