修改订阅源

关闭企业订阅源

mv /etc/apt/sources.list.d/pve-enterprise.list /etc/apt/sources.list.d/pve-enterprise.list.backup

添加非订阅源

echo 'deb http://download.proxmox.com/debian/pve bullseye pve-no-subscription' >> /etc/apt/sources.list.d/pve-no-subscription.list

添加 Debian non-free 源

tee /etc/apt/sources.list.d/debian-non-free.list > /dev/null <<EOF
deb http://deb.debian.org/debian bullseye main contrib non-free
deb http://security.debian.org/debian-security bullseye-security main contrib non-free
deb http://deb.debian.org/debian bullseye-updates main contrib non-free
EOF

更新 5.19 版本的内核

apt update -y
apt install pve-kernel-5.19 -y

安装 Intel CPU microcode

apt update -y
apt install intel-microcode -y