Power & Source of Big Ideas

I install the application and configure this, but it's fail because TUN interface. sudo modprobe tun modprobe: FATAL: Module tun not found in directory /lib/modules/4.4.138 Some help? Works on Armbian out of the box: https://github.com/armbian/build/blob/master/config/kernel/linux-rk3399-default.co...
I install the application and configure this, but it's fail because TUN interface.

sudo modprobe tun
modprobe: FATAL: Module tun not found in directory /lib/modules/4.4.138


Some help?
I've got it working modifying the last line of 'parameter.txt' to: CMDLINE: root=/dev/mmcblk1p6 rw rootfstype=ext4 mtdparts=rk29xxnand:0x00002000@0x00002000(uboot),0x00002000@0x00004000(trust),0x00006000@0x00008000(resource),0x00010000@0x0000e000(kernel),0x00010000@0x0001e000(boot),-@0x000B2000(root...
Hi, I tried to load friendlycore without result (the image loads on the card, but the system doesn't start). However, Diet-Pi image works without problems. Attached capture with my parameters in case I have something wrong. On the wiki, I can see only the Android and DietPi values (captures). Regards.