1.4 KiB
1.4 KiB
+++ title = "Running Alpine Linux from USB on the Raspberry Pi 3" date = 2021-12-31 draft = true +++
# Tested on Raspberry Pi 3
# Create a Raspberry pi OS SD card
sudo apt update
sudo apt upgrade
sudo rpi-update
echo program_usb_boot_mode=1 | sudo tee -a /boot/config.txt
reboot
# At this point the boot flag is enabled
# Prepare the USB
# Install Alpine to USB Drive
# Format USB
# Create two partitions:
# - boot fat16
# - root ext4
tar xzvf ~/Downloads/alpine-rpi-3.12.1-armhf.tar.gz
# boot/usercfg.txt:
enable_uart=1 # Not sure I need this
gpu_mem=32 # The minimal memory for the bootloader
setup-alpine
apk update
apk add cfdisk e2fsprogs
mkfs.ext4 /dev/sda2
# Setup proper TZ
apk add tzdata
cp /usr/share/zoneinfo/Europe/Madrid /etc/localtime
echo "Europe/Madrid" > /etc/timezone
apk del tzdata
mount /dev/sda2 /mnt
setup-disk -m sys /mnt
mount -o remount,rw /media/sda1
rm -f /media/sda1/boot/*
cd /mnt
rm boot/boot # Remove symlink
mv boot/* /media/sda1/boot/
rm -rf boot
mkdir media/sda1
ln -s media/sda1/boot boot
# /mnt/etc/fstab
# Remove cdrom
# Add:
/dev/sda1 /media/sda1 vfat default 0 0
# Edit boot cmdline to boot from the ext partition
# Add root=/dev/sda2
# Reboot
# After install
# Set swclock (pi doesn't have a hwclock)
rc-update add swclock boot
rc-update del hwclock boot
service hwclock stop
service swclock start
apk update
apk upgrade