1, 查看无线网卡的芯片型号

如果是usb网卡,   用lsusb(属于usbutils的命令), 查看无线网卡的型号:

#[root@localhost wireless]# lsusb

Bus 001 Device 002: ID 148f:7601 Ralink Technology, Corp. MT7601U Wireless Adapter

如果是内置网卡,或pci网卡:

#[root@localhost wireless]# lspci

04:00.0 Network controller: MEDIATEK Corp. MT7630e 802.11bgn Wireless Network Adapter

2, 网上找对应芯片的驱动

这个过程比较麻烦, 目前这2个芯片的驱动我有, 这里不能上传附件, 有需要可以网上找,

3, 编译驱动, 并安装

必须先安装内核模块编译工具, 主要有:

yum install make gcc

yum install kernel-devel

然后编译:

make;make install

最后安装:

depmode /lib/modules/xxxxxx(kernel-ver)/drvier/net/wirless/xxx.ko

modprobe xxx

4, 使用iw工具配置及登录

安装工具:

yum install wireless-tool

启动网卡:

#ifconfig wlan0 up

设置混杂模式:

#iwconfig wlan0 essid any

探测网络:

iwlist  wlan0 scanning

登录(WEP加密):

iwconfig wlan0 essid "DoMyNet_DC04" key s:123456

登录(WAP加密):

配置/etc/wpa_supplicant/wpa_supplicant.conf文件

[root@localhost wireless]# cat /etc/wpa_supplicant/wpa_supplicant.conf

ctrl_interface=/var/run/wpa_supplicant

ctrl_interface_group=wheel

network={

ssid="DoMyNet_DC04"

psk="123456"

priority=1

}

[root@localhost wireless]# wpa_supplicant -B -i ra0 -c /etc/wpa_supplicant/wpa_supplicant.conf

Successfully initialized wpa_supplicant

rfkill: Cannot open RFKILL control device

ra0: Trying to associate with 14:3d:f2:68:dc:04 (SSID='DoMyNet_DC04' freq=2467 MHz)

ra0: Associated with 14:3d:f2:68:dc:04

ra0: WPA: Key negotiation completed with 14:3d:f2:68:dc:04 [PTK=CCMP GTK=TKIP]

ra0: CTRL-EVENT-CONNECTED - Connection to 14:3d:f2:68:dc:04 completed [id=0 id_str=]

这个后台进程会一直存在,

最后获取/设置IP地址

dhclient wlan0

或

ifconfig wlan0 x.x.x.x

机器重启自动连接wifi

网络配置静态IP/也可以动态IP

[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-wlan0

TYPE=Ethernet

DEVICE=ra0

ONBOOT=yes

BOOTPROTO="static"

IPADDR=192.168.10.89

NETMASK=255.255.255.0

GETWAY=192.168.10.1

DNS1=192.168.10.1

#BOOTPROTO="dhcp"

配置wpa_supplicant.conf

[root@localhost ~]# cat /etc/wpa_supplicant/wpa_supplicant.conf

ctrl_interface=/var/run/wpa_supplicant

ctrl_interface_group=wheel

network={

ssid="DoMyNet_DC04"

psk="xxxxx"

priority=1

}

配置rc.local

[root@localhost ~]# cat /etc/rc.local

#!/bin/bash

# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES

#

# It is highly advisable to create own systemd services or udev rules

# to run scripts during boot instead of using this file.

#

# In contrast to previous versions due to parallel execution during boot

# this script will NOT be run after all other services.

#

# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure

# that this script will be executed during boot.

touch /var/lock/subsys/local

route del default

route add default gw 192.168.10.1

wpa_supplicant -B -i ra0 -c /etc/wpa_supplicant/wpa_supplicant.conf

改变rc.loca为可执行文件

#chmod +x /etc/rc.local

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