I am very new to Linux and also in this forum.
Very short explanation:
At Yun Rev2. The procedure: "How to expand Yun disk space". Stop with "wlan0: link becomes ready"
I entered a few "yes" and the size of the "Windows" partition for example 6000 for 6 GB. Rest (approx 10 GB) should than be for Linux. (16GB SD card)
Procedure stop at:
Run only until IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
I have written a complete Document for detailed description attached
ArduinoYunSDLinux_101.pdf (782.4 KB)