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删除订阅弹窗
sed -Ezi.bak "s/(Ext.Msg.show\(\{\s+title: gettext\('No valid sub)/void\(\{ \/\/\1/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service执行后清理浏览器缓存，重新登录验证。
修改软件源
mv /etc/apt/sources.list.d/pve-enterprise.list /etc/apt/sources.list.d/pve-enterprise.list.bak# 屏蔽订阅企业源
wget https://mirrors.ustc.edu.cn/proxmox/debian/proxmox-release-bookworm.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpgecho "deb https://mirrors.ustc.edu.cn/proxmox/debian bookworm pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list# 使用Proxmox非企业版中科大源
sed -i 's|^deb http://ftp.debian.org|deb https://mirrors.ustc.edu.cn|g' /etc/apt/sources.listsed -i 's|^deb http://security.debian.org|deb https://mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list# 将Debian官方源替换为中科大源
echo "deb https://mirrors.ustc.edu.cn/proxmox/debian/ceph-quincy bookworm no-subscription" > /etc/apt/sources.list.d/ceph.list# 替换Ceph源
sed -i 's|http://download.proxmox.com|https://mirrors.ustc.edu.cn/proxmox|g' /usr/share/perl5/PVE/APLInfo.pm# 替换CT镜像下载源（重启PVE才能生效）
apt update #更新源列表
apt upgrade #升级软件包
apt dist-upgrade #升级系统
#apt install openvswitch-switch#安装OVS