Managing Raspberry Pi images: Difference between revisions

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  Generated using pi-gen, https://github.com/RPi-Distro/pi-gen, 2acf7afcba7d11500313a7b93bb55a2aae20b2d6, stage2
  Generated using pi-gen, https://github.com/RPi-Distro/pi-gen, 2acf7afcba7d11500313a7b93bb55a2aae20b2d6, stage2


== Loading an SD card ==
I have to run pi-gen on an x64 computer. I tried on a Pi5 and it would not run.
 
I want to use the Docker version. I am running on [[Bellman]] where git and Docker are
Thing is, I could use [[Bellman]] but that does not help Mick since it's 800 miles away from him. So I am working with [[pi5]] instead
already installed.
since he has access to his own inventory of Pi hardware.
 
I put the experimental svxlink image into a SanDisk card reader and popped it into a USB slot on pi5. The builtin card reader shows up in
/dev/mmcblk0. SD cards are fine but not roomy enough for what I am about, and slow anyway.
For pi5, I put the image on an NVME drive so I'd have enough space to work on images. It won't do to build 8GB images on an 8GB card for example.
After booting it looks like this.


<pre>
<pre>
sudo fdisk -l /dev/sda
cd ~/Documents/Projects/TARRA
Disk /dev/sda: 476.94 GiB, 512110190592 bytes, 1000215216 sectors
git clone https://github.com/RPI-Distro/pi-gen.git
Disk model: RTL9210B-CG
cd pi-gen
Units: sectors of 1 * 512 = 512 bytes
docker compose up
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xdcf0eea7
 
Device    Boot  Start        End  Sectors  Size Id Type
/dev/sda1          8192    1056767  1048576  512M  c W95 FAT32 (LBA)
/dev/sda2      1056768 1000215215 999158448 476.4G 83 Linux
</pre>
</pre>


The SD card in the card reader shows up in /dev/sda.
Not sure where this leaves me. It did something. :-) It ran "apt-cacher" whatever that is.
 
<pre>
sudo fdisk -l /dev/sdb
Disk /dev/sdb: 28.82 GiB, 30941380608 bytes, 60432384 sectors
Disk model: SDDR-B531 Reader
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x570b8731
 
Device    Boot  Start      End  Sectors  Size Id Type
/dev/sdb1        8192  532479  524288  256M  c W95 FAT32 (LBA)
/dev/sdb2      532480 60432383 59899904 28.6G 83 Linux
</pre>
 
Now I need tools. I need pi-gen and that needs Docker.
 
<pre>
curl -sSL https://get.docker.com | sh
sudo usermod -aG docker $USER
mkdir Documents
cd Documents
sudo apt install git dcfldd
git clone https://github.com/RPI-Distro/pi-gen.git
</pre>


[[Category: Raspberry Pi]]
[[Category: Raspberry Pi]]
[[Category: Embedded]]
[[Category: Embedded]]

Revision as of 05:10, 14 February 2024

Creating SD cards

There is a Windows program that some people use but I only use the Raspberry Pi imager, or sometimes Balena Etcher.

Copy IMG

Mick warns that pi-shrink is unreliable. Here it is all the same.

https://www.instructables.com/How-to-BackUp-and-Shrink-Your-Raspberry-Pi-Image/

I did this on Bellman and worked there I think. I think. Did I make notes? 

sudo apt install dcfldd gparted

Building new images

pi-gen is what the Raspberry Pi folk use. See /boot/issue.txt on a standard image. For example, 

Raspberry Pi reference 2023-12-11
Generated using pi-gen, https://github.com/RPi-Distro/pi-gen, 2acf7afcba7d11500313a7b93bb55a2aae20b2d6, stage2

I have to run pi-gen on an x64 computer. I tried on a Pi5 and it would not run. I want to use the Docker version. I am running on Bellman where git and Docker are already installed. 

cd ~/Documents/Projects/TARRA
git clone https://github.com/RPI-Distro/pi-gen.git
cd pi-gen
docker compose up

Not sure where this leaves me. It did something. :-) It ran "apt-cacher" whatever that is.

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