After logging in for the first time, I tried to update (and upgrade) the distribution but received all sorts of errors
Get:1 http://apt.allstarlink.org/repos/asl_builds buster InRelease [7392 B]
Hit:2 http://raspbian.raspberrypi.org/raspbian buster InRelease
Hit:3 http://archive.raspberrypi.org/debian buster InRelease
Err:1 http://apt.allstarlink.org/repos/asl_builds buster InRelease
The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 6A72C389B517460F
Reading package lists… Done
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://apt.allstarlink.org/repos/asl_builds buster InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 6A72C389B517460F
W: Failed to fetch http://apt.allstarlink.org/repos/asl_builds/dists/buster/InRelease The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 6A72C389B517460F