Recommendations
curl -L https://mirrors.lierfang.com/pxcloud/lierfang.gpg | sudo tee /usr/share/keyrings/lierfang.gpg >/dev/null
source /etc/os-release
echo "deb [arch=arm64 signed-by=/usr/share/keyrings/lierfang.gpg] https://mirrors.lierfang.com/pxcloud/pxvirt $VERSION_CODENAME main" | sudo tee /etc/apt/sources.list.d/pveport.list
sudo apt update
sudo apt install ifupdown2
sudo nano /etc/network/interfaces
add and change
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet manual
auto vmbr0
iface vmbr0 inet manual
address 192.168.6.12
gateway 192.168.6.5
netmask 255.255.255.0
bridge-ports eth0
bridge-stp off
bridge-fd 0
sudo reboot now
