Yocto Linux

The Linux distribution used is 3DR Poky (based on Yocto Project Reference Distro)

# uname -a
Linux 3dr_solo 3.10.17-rt12-1.0.0_ga+g3f15a11 #3 SMP PREEMPT Thu Jun 4 04:07:49 UTC 2015 armv7l GNU/Linux

# cat /etc/issue
3DR Poky (based on Yocto Project Reference Distro) 1.5.1 \n \l

Yocto has a package manager Smart that can be used to download packages if Solo is connected to the Internet.