临时改
# 找到无线网卡名提前,假设是wlan0
sudo ip link show
# 关闭无线网卡
sudo ip link set dev wlan0 down
# 修改无线网卡mac,mac地址可换成任意的
sudo ip link set dev wlan0 address 00:11:22:33:44:55
# 再启用
sudo ip link set dev wlan0 up
# 验证下
sudo ip link show
永久改
# 修改配置文件
sudo nano /etc/network/interfaces
auto wlan0
iface wlan0 inet dhcp
hwaddress ether 00:11:22:33:44:55
# 重启网络服务
sudo systemctl restart networking