raid+nfs_setup.sh

# Check disk names
lsblk -o NAME,MODEL,SIZE,TYPE,MOUNTPOINT

# Install required packages. nfs-common will be necessary on ALL clients
sudo apt update
sudo apt install -y mdadm nfs-kernel-server nfs-common

# Create the RAID 1 array from /dev/sda and /dev/sdb
sudo mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sda /dev/sdb <<EOF
yes
EOF

# Optional: wait briefly and check RAID status
sleep 5
cat /proc/mdstat

# Format the RAID device with ext4
sudo mkfs.ext4 /dev/md0

# Create the mount point
sudo mkdir -p /mnt/raid1

# Mount everything from fstab
echo '/dev/md0 /mnt/raid1 ext4 defaults,nofail,discard 0 0' | sudo tee -a /etc/fstab
sudo mount -a

# Create the directory that will be exported over NFS
sudo mkdir -p /mnt/raid1/nfs

# Ensure export is owned by root
sudo chown root:root /mnt/raid1/nfs
sudo chmod 0777 /mnt/raid1/nfs

# Add the export to /etc/exports
echo '/mnt/raid1/nfs *(rw,sync,no_subtree_check,no_root_squash)' | sudo tee -a /etc/exports

# Apply the export changes and restart the NFS server
sudo exportfs -ra
sudo systemctl restart nfs-kernel-server

# Confirm everything is good
cat /proc/mdstat

rk1_setup.sh

# Download image to SD card
# Assuming you've configured your ~/.ssh/config file
ssh turingpi
cd /mnt/sdcard
wget https://firmware.turingpi.com/turing-rk1/ubuntu_22.04_rockchip_linux/v1.33/ubuntu-22.04.3-preinstalled-server-arm64-turing-rk1_v1.33.img.xz
xz -d  ubuntu-22.04.3-preinstalled-desktop-arm64-turing-rk1_v1.32.img.xz
unxz ubuntu-22.04.3-preinstalled-server-arm64-turing-rk1_v1.33.img.xz

# Flash node
tpi flash --local --image-path /mnt/sdcard/ubuntu-22.04.3-preinstalled-server-arm64-turing-rk1_v1.33.img --node [N]

# Login
ssh [email protected]
# Default password is ubuntu

# Add SSH key
ssh-copy-id [email protected]

# Update the OS
sudo apt update
sudo apt -y upgrade

# Modify CPU governor
sudo vim /usr/lib/systemd/system/cpu-governor-performance.service
#  ondemand

# Change the hostname
hostnamectl set-hostname rk1[N]

# Change the username
sudo apt install -y at
echo "sudo usermod -l dudo ubuntu" | sudo at now +1 minute
echo "sudo mv /home/ubuntu /home/dudo" | sudo at now +2 minute
echo "sudo usermod -d /home/dudo -m dudo" | sudo at now +3 minutes
exit

# Grab a drink

# Assuming you've configured your ~/.ssh/config file
ssh rk1[N]

# Update the username in the sudoers file
sudo su
sudo vi /etc/sudoers.d/90-cloud-init-users
#  dudo ALL=(ALL) NOPASSWD:ALL
exit

# Turn it off and on again to make sure everything stuck
sudo reboot

# Format and mount the NVMe drive
sudo fdisk /dev/nvme0n1
#  g (create GPT)
#  n (create new partition, accept defaults)
#  w (write changes)
sudo mkfs.ext4 /dev/nvme0n1p1
sudo mkdir -p /mnt/nvme
sudo mount /dev/nvme0n1p1 /mnt/nvme
UUID=$(sudo blkid -s UUID -o value /dev/nvme0n1p1)
echo "UUID=$UUID /mnt/nvme ext4 defaults 0 2" | sudo tee -a /etc/fstab
df -h | grep /mnt/nvme

# Disable swap
sudo swapoff -a
sudo rm -f /swapfile

# Configure DNS
sudo ln -sf /run/systemd/resolve/resolv.conf /etc/resolv.conf

sudo tee /etc/systemd/network/10-eth0.network > /dev/null <<EOF
[Match]
Name=eth0

[Network]
DHCP=yes

[DHCP]
UseDNS=yes

[Network]
DNS=1.1.1.1
DNS=1.0.0.1
EOF