Shell下依次运行以下命令：
PVE换源：
wget https://mirrors.ustc.edu.cn/proxmox/debian/proxmox-release-bullseye.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
echo "#deb https://enterprise.proxmox.com/debian/pve bullseye pve-enterprise" > /etc/apt/sources.list.d/pve-enterprise.list
echo "deb https://mirrors.ustc.edu.cn/proxmox/debian/pve bullseye pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list
Debian换源：
mv /etc/apt/sources.list /etc/apt/sources.list.bk
nano /etc/apt/sources.list
Sources.list加入源：
deb http://mirrors.ustc.edu.cn/debian stable main contrib non-free
# deb-src http://mirrors.ustc.edu.cn/debian stable main contrib non-free
deb http://mirrors.ustc.edu.cn/debian stable-updates main contrib non-free
# deb-src http://mirrors.ustc.edu.cn/debian stable-updates main contrib non-free
# deb http://mirrors.ustc.edu.cn/debian stable-proposed-updates main contrib non-free
# deb-src http://mirrors.ustc.edu.cn/debian stable-proposed-updates main contrib non-free
更新&安装ethtool：
apt update
apt upgrade -y