$ sudo apt update
Code: Select all
Found:1 http://deb.debian.org/debian bullseye Inrelease
Ignored:2 http://deb.debian.org/debian bullseye-security Inrelease
Found:3 http://deb.debian.org/debian bullseye-updates Inrelease
Error:4 http://deb.debian.org/debian bullseye-security Release
404 Not Found [IP: 151.101.242.132 80]
Read package list... Done
E: The "http://deb.debian.org/debian bullseye-security Release" repository does not have a Release file.
N: The update from that repository cannot be executed securely and is therefore disabled by default.
N: See the apt-secure(8) man page for creating a repository and user configuration.
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# deb cdrom:[Debian GNU/Linux 11.0.0 _Bullseye_ - Unofficial amd64 NETINST with firmware 20210814->
# deb cdrom:[Debian GNU/Linux 11.0.0 _Bullseye_ - Unofficial amd64 NETINST with firmware 20210814->
deb http://deb.debian.org/debian/ bullseye main non-free contrib
deb-src http://deb.debian.org/debian/ bullseye main non-free contrib
deb http://deb.debian.org/debian/ bullseye-security main contrib non-free
deb-src http://deb.debian.org/debian/ bullseye-security main contrib non-free
# bullseye-updates, to get updates before a point release is made;
# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html#_updates_and_backports
deb http://deb.debian.org/debian/ bullseye-updates main contrib non-free
deb-src http://deb.debian.org/debian/ bullseye-updates main contrib non-free
# This system was installed using small removable media
# (e.g. netinst, live or single CD). The matching "deb cdrom"
# entries were disabled at the end of the installation process.
# For information about how to configure apt package sources,
# see the sources.list(5) manual.