如何使用wpa_supplicant从命令行配置Linux无线

wpa_supplicant is used to connect wireless networks. wpa_supplicant.conf  file is used to store related configuration file about the wireless network. Also wireless security policy is configured with this file.

wpa_supplicant用于连接无线网络。 wpa_supplicant.conf文件用于存储有关无线网络的相关配置文件。 此文件还配置了无线安全策略。

安装wpa_supplicant软件包 (Install wpa_supplicant Package)

In most of cases the wpa_supplicant package is installed by default but we can use following commands in order to install this package.

在大多数情况下，默认情况下会安装wpa_supplicant软件包，但我们可以使用以下命令来安装此软件包。

Fedora，RHEL，CentOS (Fedora, RHEL, CentOS)

$ sudo yum install wpa_supplicant

Ubuntu，Debian，Mint，Kali (Ubuntu, Debian, Mint, Kali)

$ sudo apt install wpa_supplicant

帮助wpa_supplicant (Help wpa_supplicant)

More detailed help information can be show with -h option like below.

可以使用-h选项显示更详细的帮助信息，如下所示。

$ wpa_supplicant -h

Help wpa_supplicant

帮助wpa_supplicant

指定接口和配置文件 (Specify Interface and Configuration File)

The most basic and used way to run wpa_supplicant is providing the interface name and the configuration file. We can use -i to specify interface and -c for configuration file like below.

运行wpa_supplicant最基本，最常用的方法是提供接口名称和配置文件。 我们可以使用-i来指定接口，使用-c来配置文件，如下所示。

$ wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf

在后台运行守护程序 (Run Daemon In Background)

The deafult behaivour of wpa_supplicant is running on foregound which will take terminal busy. This will also create the stability problems where closing terminal will kill network connection too. We can use -B  option for background connection.

wpa_supplicant的默认行为正在前途运行，这将使终端繁忙。 这还将产生稳定性问题，其中关闭的终端也将终止网络连接。 我们可以使用-B选项进行后台连接。

$ wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf

无线配置样本 (Sample Wireless Configuration)

Here is a sample configuration which has SSID name poftut and key management is specified as WPA_PSK .

这是一个具有SSID名称poftut的示例配置，并且**管理指定为WPA_PSK 。

network={
 ssid="poftut"
 scan_ssid=1
 key_mgmt=WPA-PSK
 psk="very se+ret passphrase"
}

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翻译自: https://www.poftut.com/how-to-configure-linux-wireless-from-command-line-with-wpa_supplicant/