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Firstly, download the zip file containing the Cashless Guru Raspberry Pi OS image – you can find the latest version URL here.
[geraint@ip-10-12-34-124 ~]$ wget https://guru-resources.s3-eu-west-1.amazonaws.com/images/pi/guru-std-1.0.2.zip --2020-10-25 10:12:32-- https://guru-resources.s3-eu-west-1.amazonaws.com/images/pi/guru-std-1.0.2.zip Resolving guru-resources.s3-eu-west-1.amazonaws.com (guru-resources.s3-eu-west-1.amazonaws.com)... 52.218.101.168 Connecting to guru-resources.s3-eu-west-1.amazonaws.com (guru-resources.s3-eu-west-1.amazonaws.com)|52.218.101.168|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 1544166913 (1.4G) [application/zip] Saving to: ‘guru-std-1.0.2.zip’ 100%[===================================================>] 1,544,166,913 22.4MB/s in 66s 2020-10-25 10:13:39 (22.2 MB/s) - ‘guru-std-1.0.2.zip’ saved [1544166913/1544166913]
Once you’ve downloaded the image, you’ll need to extract it:
$ unzip guru-std-1.0.2.zip
Next insert your SD card and identify the correct path using lsblk.
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 111.8G 0 disk └─sda1 8:1 0 111.8G 0 part /
In our case, the SD card is sdf and so we next need to unmount the volumes and then we are in a position to write the image to the card.
$ sudo umount /dev/sdf1 $ sudo umount /dev/sdf2 $ sudo dd if=guru-std-1.0.2.img of=/dev/sdf bs=1M sync=conv $ sudo umount /dev/sdf1 $ sudo umount /dev/sdf2
The above command will not produce any output and can take a long time to complete. You will receive a terminal prompt when the command has succeeded, an error will display if it has failed.
Your SD card is now ready to insert in to your Raspberry Pi.