Your issue is in French, but it looks like the one I recently faced as well if I am reading it correctly.
I fixed it using the information on this page: https://unix.stackexchange.com/questions/75807/no-public-key-available-on-apt-get-update I hope this helps you too. Ken > On Apr 9, 2023, at 2:34 PM, David VANTYGHEM <david.vantyg...@laposte.net> > wrote: > > > Le 09/04/2023 à 23:09, John Paul Adrian Glaubitz a écrit : >> Hello David! >> >>> On Apr 9, 2023, at 10:02 PM, David VANTYGHEM <david.vantyg...@laposte.net> >>> wrote: >>> >>> If someone could help me please. I have no idea of the problem. >> Please provide the syslog file that is stored as /var/log/syslog during >> installation. It’s otherwise not possible to debug the problem. >> >> Adrian > They are messages saying that PUBKEYS are not avalaibles. > <Capture d’écran du 2023-04-09 23-32-25.png> > -- > Passez à Linux : https://infolib.re > > .--. > |o_o | > ||_/ | > // \\ Envoyé depuis mon Linux > (| |) > / \_ _/ \ > \___)=(___/