wifi已禁用 linux

# 对于基于Debian的系统（如Ubuntu）
sudo apt update
sudo apt install firmware-iwlwifi

# 对于基于Red Hat的系统（如CentOS）
sudo yum update
sudo yum install wireless-tools

# 使用nmcli
sudo nmcli radio wifi on

# 或者使用ifconfig
sudo ifconfig wlan0 up

# 查看NetworkManager状态
sudo systemctl status NetworkManager

# 如果NetworkManager正在运行，检查WiFi连接状态
nmcli dev status

# 编辑/etc/systemd/logind.conf文件
sudo nano /etc/systemd/logind.conf

# 修改或添加以下行
HandleLidSwitch=ignore

#!/bin/bash

# 检查WiFi状态
if ! nmcli radio wifi | grep -q "enabled"; then
    echo "WiFi is disabled. Enabling..."
    sudo nmcli radio wifi on
else
    echo "WiFi is already enabled."
fi

# 检查WiFi接口状态
if ! nmcli dev status | grep -q "wlan"; then
    echo "WiFi interface is down. Bringing up..."
    sudo ifconfig wlan0 up
else
    echo "WiFi interface is already up."
fi