View source for Building a Pi which boots from hard disk

[[Notes|&lArr; Notes]]

;Download SD card image
:Download Raspbian Buster image from raspberry.org
:Burn to SD card using Etcher
:Create a file on the /boot partition called ssh
::<tt>$ echo "" > ssh</tt>

;Boot Pi from SD card with hard drive attached

;Login with ssh ''(NB : need to identify IP address)''
:Create a new user and change password of root account
::<tt>$ sudo /usr/sbin/useradd --groups sudo,ssh --shell /bin/bash -m ch
::$ sudo passwd ch
::$ sudo passed root</tt>

;Login with new account
:If successful set pi account password
::<tt>$ sudo passwd pi</tt>
:enable vnc 
::<tt>$ sudo raspi-config
:::Option 3: Boot options
::::B1: Desktop/Cli
:::::B3: Desktop (no auto login)
:::Option 5: Interfacing options
::::P3: VNC
:::Option 7: Advanced
::::A5: Resolution</tt>
:::::select a resolution - I selected highest

;Reboot

;ssh to Pi and update and install emacs to have an editor I can remember the command of
:<tt>$ sudo apt-get update
:$ sudo apt-get upgrade
:$ sudo apt-get install emacs</tt>

;Login with VNC (or connect keyboard and monitor)
:Burn image to harddrive
::From the menu select 
:::Raspberry menu --> Accessories --> SD Card Copier
::::Select source and target  
:::::ensure 'New Partition UUIDs' is checked
:Note new partition ID for sda2
::<tt>$ sudo blkid</tt>
:Edit files
::<tt>$ sudo cp /boot/cmdline.txt /boot/cmdline_SDcard.txt
::$ sudo cp /boot/cmdline.txt /boot/cmdline_harddisk.txt
::$ sudo emacs /boot/cmdline_harddisk.txt</tt>
:::and change the entry 'root=PARTUUID=xxxxxxxx-02' to have the new partition ID, e.g. 'root=PARTUUID=405052aa-02'
::<tt>$ sudo cp /boot/cmdline_harddisk.txt /boot/cmdline.txt</tt>

;Reboot

;Hopefully Pi has booted from hard drive
:Check by running
::<tt>$ df</tt>
:::which should show </tt>/</tt> mounted on <tt>dev/root</tt> with the size of the disk
:Note that /boot seems to be the boot partition on hard drive and not that on SD card which is the cmdline.txt was read from

;Finish configuring
:<tt>$ sudo raspi-config</tt>
::Networking
:::set host name
:::set wifi config
::Localisation options
:::Change locale and add the en_GB_ and en_US_ options
:::Change timezone
:::Change wifi country