rm /etc/apt/sources.list.d/pve-enterprise.list
wget http://mirrors.ustc.edu.cn/proxmox/debian/proxmox-ve-release-5.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-5.x.gpg
wget http://mirrors.ustc.edu.cn/proxmox/debian/proxmox-ve-release-6.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-6.x.gpg
echo 'deb http://mirrors.ustc.edu.cn/proxmox/debian buster pve-no-subscription'>/etc/apt/sources.list.d/pve-install-repo.list
sed -i 's/ftp.debian.org/mirrors.163.com/g' /etc/apt/sources.list
sed -i 's/security.debian.org/mirrors.163.com\/debian-security/g' /etc/apt/sources.list
apt update
apt dist-upgrade
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