https://superuser.com/questions/1431677/cannot-update-raspberry-pi-apt-get https://raspberrytips.com/update-raspberry-pi-latest-version/ Jessie September 2015 Debian 9 Stretch August 2017 Debian 10 Buster June 2019 Debian 11 Bullseye November 2021 Debian 12 Bookworm June 2023 --- cambiare da raspi os a debian nano /etc/apt/sources.list.d/raspi.list commentare tutto nano /etc/apt/sources.list deb http://deb.debian.org/debian bullseye main contrib non-free # test su raspberry Saul nano /etc/apt/sources.list.d/raspi.list # commentato tutto nano /etc/apt/sources.list # cambiare quello che c'è già con versione corretta di debian (leggere sopra) # una volta riavviato e ha preso versione aggiornata rifare con nuova versione --- o versione attuale poi sempre rm -r /var/lib/apt/lists/* apt-get clean apt update apt upgrade -y apt dist-upgrade # oppure apt full-upgrade reboot ###per liberare spazio apt remove wolfram-engine --- sembra che sia jessie che è già installato di default sudo -i rm -r /var/lib/apt/lists/* apt clean apt-get update apt upgrade -y apt dist-upgrade reboot nano /etc/apt/sources.list --- commentare tutte le righe deb http://deb.debian.org/debian buster main contrib non-free deb http://mirrordirector.raspbian.org/raspbian/ buster main contrib non-free rpi rm -r /var/lib/apt/lists/* apt-get clean apt update apt upgrade -y apt dist-upgrade reboot nano /etc/apt/sources.list --- commentare tutte le righe deb http://deb.debian.org/debian bullseye main contrib non-free apt update apt upgrade -y apt dist-upgrade reboot nano /etc/apt/sources.list --- commentare tutte le righe deb http://deb.debian.org/debian bookworm main contrib non-free apt update apt upgrade -y apt dist-upgrade reboot