更换 PVE 社区源
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
更换 Debian 国内源
备份原文件
备份原文件： /etc/apt/sources.list
cp /etc/apt/sources.list /etc/apt/sources.list.bak
编辑源信息
nano /etc/apt/sources.list
在原文件增加下面的内容
deb http://mirrors.aliyun.com/debian/ buster main non-free contrib deb-src http://mirrors.aliyun.com/debian/ buster main non-free contrib deb http://mirrors.aliyun.com/debian-security buster/updates main deb-src http://mirrors.aliyun.com/debian-security buster/updates main deb http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib deb-src http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib deb http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib deb-src http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib
更新和升级
apt update apt dist-upgrade
