RaspberryPI_PKVM_WorkingTips
Sep 8, 2022
Technology
Flash aosp 13 images
Image download URL:https://konstakang.com/devices/rpi4/AOSP13/
Flash it into rpi 4b.
pkvm kernel/images
Download alpine kernel/images from(https://www.worldofgh0st.com/blog/):
https://www.worldofgh0st.com/wp-content/uploads/2022/09/KVM-Linux.zip
adb push them to /data/local/tmp.
Start crosvm machine
adb root and login with adb shell:
➜ Downloads adb -s 192.168.1.114:5555 root
restarting adbd as root
➜ Downloads adb -s 192.168.1.114:5555 shell
rpi4:/ #
Start the crosvm vm and examine the vm info:
rpi4:/ # /apex/com.android.virt/bin/crosvm run --disable-sandbox -p 'init=/bin/sh' --rwroot /data/local/tmp/alpine.img /data/local/tmp/kernel.img
..............
/ # uname -a
Linux (none) 5.19.0-13666-gffcf9c5700e4 #3 SMP PREEMPT Sat Sep 3 15:11:04 PDT 2022 aarch64 Linux
/ # cat /etc/issue
Welcome to Alpine Linux 3.16
Kernel \r on an \m (\l)
Customize Kernel
In an arm64 server, clone the latest kernel and compile Image:
# apt install build-essential flex bison libssl-dev -y
# git clone git://mirrors.ustc.edu.cn/linux.git
# cd linux
# make defconfig
# make -j128
# ls arch/arm64/boot
dts Image Image.gz install.sh Makefile
Transfer the Image to rpi4’s /data/local/tmp/
Customize Ubuntu20.04 rootfs
Get the latest aarch64 image and change the corresponding items:
# axel https://cloud-images.ubuntu.com/releases/focal/release/ubuntu-20.04-server-cloudimg-arm64-root.tar.xz
# qemu-img create -f raw ubuntu.img 6G
# mkfs.ext4 ubuntu.img
# mount ubuntu.img /mnt
# tar xJvf ubuntu-20.04-server-cloudimg-arm64-root.tar.xz -C /mnt/
# cd /mnt
# touch etc/cloud/cloud-init.disabled
# vim etc/passwd
Change the first line :
root::0:0:root:/root:/bin/bash
# umount /mnt
Transfer the ubuntu.img onto the rpi4’s /data/local/tmp/
Start ubuntu vm
Start via:
# /apex/com.android.virt/bin/crosvm run --disable-sandbox -p 'root=/dev/vda' --rwroot /data/local/tmp/ubuntu.img /data/local/tmp/Image
Examine the vm info:
root@ubuntu:~# uname -a
Linux ubuntu 6.0.0-rc4-00062-g0066f1b0e275 #1 SMP PREEMPT Thu Sep 8 01:24:14 EDT 2022 aarch64 aarch64 aarch64 GNU/Linux
root@ubuntu:~# cat /etc/issue
Ubuntu 20.04.4 LTS \n \l
root@ubuntu:~# free -m
total used free shared buff/cache available
Mem: 221 88 17 0 115 127
Swap: 0 0 0
root@ubuntu:~# cat /proc/cpuinfo
processor : 0
BogoMIPS : 108.00
Features : fp asimd evtstrm crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3