• Gentoo 无线网络配置 wpa_supplicant


    安装

    安装net-wireless/wpa_supplicant

    emerge --ask wpa_supplicant 
    

    启动网络

    • 为wpa_supplicant添加无线接口
      wpa_supplicant.conf文件中添加
    ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=wheel
    
    • 初始化wpa_supplicant环境
    wpa_supplicant -d -Dnl80211 -iwlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf
    

    参数:

    -B - Fork into background.
    -c filename - Path to configuration file.
    -d increase debugging verbosity
    -i interface - Interface to listen on.
    -D driver - Optionally specify the driver to be used. 
    

    For a list of supported drivers see the output of wpa_supplicant -h.

    nl80211 is the current standard, but not all wireless chip's modules support it.wext is currently deprecated, but still widely supported.

    • 查看wpa_supplicant进程
    ps -aux | grep wpa
    root      1841  0.0  0.2   6168  2920 ?        Ss   09:10   0:00 wpa_supplicant -B -c/etc/wpa_supplicant/wpa_supplicant.conf -iwlan0 
    root      2122  0.0  0.0   2780   728 pts/0    S+   09:25   0:00 grep --colour=auto wpa
    

    配置

    • Set for Gentoo net.* scrips,tell the network script to use wpa_supplicant.
      File/etc/conf.d/net
    modules_wlan0="wpa_supplicant"
    # 因为wpa_supplicant还不能很好的自动侦测驱动,所以需要我们为其指定正在使用的驱动。
    wpa_supplicant_wlan0="-Dnl80211"
    config_wlan0="dhcp"
    
    • Set for dhcpcd,no special setup is needed.Do not add wpa_supplicant to any runlevel. It will be controlled by dhcpcd.

    配置文件/etc/wpa_supplicant/wpa_supplicant.conf

    # Allow users in the 'wheel' group to control wpa_supplicant
    ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=wheel
    # Make this file writable for wpa_gui
    update_config=1
    #自动扫描AP(也就是可以上的无线网络热点)
    ap_scan=1   
    # 简单的情形:WPA-PSk密码验证方式,PSK是ASCII密码短语,所有合法的加密方式都允许连接
    network={
      ssid="simple"
      psk="very secret passphrase"
      # 优先级越高,就能越早匹配到。
      priority=5
    }
    

    To allow unprivileged users to control the connection using wpa_gui / wpa_cli, make sure GROUP=wheel and update_config=1.

    也可以使用wpa_passphrase 命令添加无线热点

    wpa_passphrase [ ssid ] [ passphrase ] >> /etc/wpa_supplicant/wpa_supplicant.conf
    

    上面这条命令可以自动生成一段配置,我们将它输出添加到 wpa_supplicant 的默认配置文件里面。

    wpa_cli

    运行wpa_cli时可能会出现如下的错误:
    Could not connect to wpa_supplicant - re-trying
    这个错误可能是因为你的wpa_supplicant进程没有启动起来造成的。

    wpa_cli
    > scan
    > scan_results
    > add_network
    0
    > set_network 0 ssid "MYSSID"
    > set_network 0 psk "passphrase"
    > enable_network 0
    > save_config
    OK
    dhcpcd interface
    

    设置、获取IP

    自动获取

    dhcpcd wlan0
    

    手动设置

    ifconfig wlan0 192.168.1.11 broadcast 192.168.1.255 netmask 255.255.255.0
    

    告知Gentoo RC系统网卡名字

    cd /etc/init.d
    ln -s net.lo net.wlan0
    #start and stop it using the following commands:
    /etc/init.d/net.eth0 start
    /etc/init.d/net.eth0 stop
    #开机启动
    rc-update add wlan0 default
    
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  • 原文地址:https://www.cnblogs.com/wonux/p/5238833.html
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