请注意，本文编写于 1655 天前，最后修改于 1406 天前，其中某些信息可能已经过时。

删除企业源

echo "#deb https://enterprise.proxmox.com/debian/pve bullseye pve-enterprise" > /etc/apt/sources.list.d/pve-enterprise.list

切换国内源

中科大源

wget https://mirrors.ustc.edu.cn/proxmox/debian/proxmox-release-bullseye.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
echo "deb https://mirrors.ustc.edu.cn/proxmox/debian/pve bullseye pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list     #中科大源
echo "deb https://mirrors.ustc.edu.cn/proxmox/debian/ceph-pacific bullseye main" > /etc/apt/sources.list.d/ceph.list     #中科大源
sed -i.bak "s#http://download.proxmox.com/debian#https://mirrors.ustc.edu.cn/proxmox/debian#g" /usr/share/perl5/PVE/CLI/pveceph.pm     #中科大源
sed -i.bak "s#ftp.debian.org/debian#mirrors.aliyun.com/debian#g" /etc/apt/sources.list     #阿里Debian源
sed -i "s#security.debian.org#mirrors.aliyun.com/debian-security#g" /etc/apt/sources.list     #阿里Debian源
apt update && apt dist-upgrade

pve 社区源

wget http://download.proxmox.wiki/debian/proxmox-release-bullseye.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
echo "deb http://download.proxmox.wiki/debian/pve bullseye pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list     #Proxmox中文社区源
echo "deb https://download.proxmox.wiki/debian/ceph-pacific bullseye main" > /etc/apt/sources.list.d/ceph.list     #Proxmox中文社区源
sed -i.bak "s#http://download.proxmox.com/debian#https://download.proxmox.wiki/debian#g" /usr/share/perl5/PVE/CLI/pveceph.pm     #Proxmox中文社区源
sed -i.bak "s#ftp.debian.org/debian#mirrors.aliyun.com/debian#g" /etc/apt/sources.list     #阿里Debian源
sed -i "s#security.debian.org#mirrors.aliyun.com/debian-security#g" /etc/apt/sources.list     #阿里Debian源
apt update && apt dist-upgrade

升级

apt update && apt dist-upgrade