head -n -0 /etc/apt/sources.list /etc/apt/sources.list.d/*
==> /etc/apt/sources.list <==
deb
http://ftp.de.debian.org/debian/ bookworm main contrib non-free non-free-firmware
deb-src
http://ftp.de.debian.org/debian/ bookworm main contrib non-free non-free-firmware
deb
http://ftp.de.debian.org/debian/ bookworm-updates main contrib non-free non-free-firmware
deb-src
http://ftp.de.debian.org/debian/ bookworm-updates main contrib non-free non-free-firmware
deb
http://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
deb-src
http://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
# PVE pve-no-subscription repository provided by proxmox.com,
# NOT recommended for production use
deb
http://download.proxmox.com/debian/pve bookworm pve-no-subscription
==> /etc/apt/sources.list.d/pbs-enterprise.list <==
#deb
https://enterprise.proxmox.com/debian/pbs bookworm pbs-enterprise