Retrouver le numéro de série d’un Raspberry
# cat /proc/cpuinfo | grep Serial | sed s/.*\ //g
Mettre à jour le firmware d’un Raspberry
# sudo rpi-update
Si après un apt-get-update, vous avez l’erreur suivante,
#sudo apt-get update
Get:1 http://archive.raspberrypi.org/debian buster InRelease [32.6 kB]
Get:2 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB]
Reading package lists… Done
E: Release file for http://archive.raspberrypi.org/debian/dists/buster/InRelease is not valid yet (invalid for another 1d 23h 5min 58s). Updates for this repository will not be applied.
E: Release file for http://raspbian.raspberrypi.org/raspbian/dists/buster/InRelease is not valid yet (invalid for another 1d 21h 58min 11s). Updates for this repository will not be applied.
Get:1 http://archive.raspberrypi.org/debian buster InRelease [32.6 kB]
Get:2 http://raspbian.raspberrypi.org/raspbian buster InRelease [15.0 kB]
Reading package lists… Done
E: Release file for http://archive.raspberrypi.org/debian/dists/buster/InRelease is not valid yet (invalid for another 1d 23h 5min 58s). Updates for this repository will not be applied.
E: Release file for http://raspbian.raspberrypi.org/raspbian/dists/buster/InRelease is not valid yet (invalid for another 1d 21h 58min 11s). Updates for this repository will not be applied.
Cela signifie qu’il y a un problème d’heure. Généralement cette erreur apparaît après un premier démarrage du Raspberry. Pour résoudre ce problème, il suffit de mettre à l’heure le Raspberry
# sudo date -s ‘2020/12/04 13:55:00’
Utiliser ensuite ntpdate pour effectuer une mise à jour via un serveur ntp
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