linux 网卡获取不到ip

sudo systemctl status isc-dhcp-server

network:
  version: 2
  ethernets:
    eth0:
      dhcp4: no
      addresses: [192.168.1.10/24]
      gateway4: 192.168.1.1
      nameservers:
        addresses: [8.8.8.8, 8.8.4.4]

sudo netplan apply

sudo ufw disable

sudo apt update && sudo apt upgrade

#!/bin/bash

# Restart network service
sudo systemctl restart networking

# Check if DHCP is running
if ! sudo systemctl is-active --quiet isc-dhcp-server; then
    echo "DHCP server is not running. Attempting to start..."
    sudo systemctl start isc-dhcp-server
fi

# Apply netplan configuration
sudo netplan apply

# Check for active interfaces
ip link show | grep -q "state UP"
if [ $? -eq 0 ]; then
    echo "Network interfaces are up."
else
    echo "Network interfaces are down. Please check physical connections."
fi