cat /etc/apt/sources.list
#deb http://ftp.debian.org/debian bookworm main contrib
#deb http://ftp.debian.org/debian bookworm-updates main contrib
# security updates
#deb http://security.debian.org bookworm-security main contrib
deb https://mirrors.ustc.edu.cn/debian/ bookworm main contrib non-free non-free-firmware
deb https://mirrors.ustc.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware
deb https://mirrors.ustc.edu.cn/debian/ bookworm-backports main contrib non-free non-free-firmware
deb https://mirrors.ustc.edu.cn/debian-security bookworm-security main
cat /etc/apt/sources.list.d/ceph.list
#deb https://enterprise.proxmox.com/debian/ceph-quincy bookworm enterprise
deb https://mirrors.ustc.edu.cn/proxmox/debian/ceph-quincy bookworm no-subscription
cat /etc/apt/sources.list.d/pve-enterprise.list
#deb https://enterprise.proxmox.com/debian/pve bookworm pve-enterprise
deb https://mirrors.ustc.edu.cn/proxmox/debian bookworm pve-no-subscription