关闭企业版更新源

# 删除企业源
rm -rf /etc/apt/sources.list.d/pve-enterprise.list
#下载秘钥
wget http://download.proxmox.com/debian/proxmox-ve-release-6.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-6.x.gpg
# 添加社区源
echo "deb http://download.proxmox.wiki/debian/pve stretch pve-no-subscription" >/etc/apt/sources.list.d/pve-install-repo.list

添加国内源
如果路由器有翻墙，也可以不用，上面的就够了

vi /etc/apt/sources.list

改为

#deb http://ftp.debian.org/debian buster main contrib
#deb http://ftp.debian.org/debian buster-updates main contrib
# security updates
#deb http://security.debian.org buster/updates main contrib

# debian aliyun source
deb https://mirrors.aliyun.com/debian buster main contrib non-free
deb https://mirrors.aliyun.com/debian buster-updates main contrib non-free
deb https://mirrors.aliyun.com/debian-security buster/updates main contrib non-free

# proxmox source
# deb http://mirrors.ustc.edu.cn/proxmox/debian/pve buster pve-no-subscription
deb http://download.proxmox.com/debian/pve buster pve-no-subscription

关闭订阅提醒

sed -i_orig "s/data.status !== 'Active'/false/g" /usr/share/pve-manager/js/pvemanagerlib.js

sed -i_orig "s/data.status !== 'Active'/false/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js