this post was submitted on 24 Apr 2025
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We've been mucking around with how to pre-configure Raspberry Pis after flashing at $DAYJOB and basically, the way the Raspberry Pi Imager works is that it writes a
firstrun.sh
onto the SD card which gets run during first boot.How does it know to not run that script from the second boot onwards? Well, one of the lines in that script is:
...it deletes itself while it's running. ๐
That's pretty clever