Introduction to CentOS-6.4 wireless Internet access command line configuration

CentOS-6.4 wireless internet command line configuration introduction, need a friend can look at CentOS WIFI to be connected to the ssid for "thm", the password is 12345678, authentication method for WPA2-PSK
1. check whether the Wireless NIC driver is installed
1 xxx # iwconfig if the wlan0 (or other name) wireless network card information is printed, it indicates that the wireless network card driver has been installed; otherwise, you must first install the wireless network card driver to continue.
2. configure/etc/sysconfig/network-scripts/ifcfg-wlan0
My configuration file content is:
1 DEVICE = wlan0
2 HWADDR = 9C: 4E: 36: 9A: 64: 10
3 TYPE = Wireless
4 UUID = f017bd9c-eebf-46fc-823c-7f76cc8d5abf
5 ONBOOT = no
6 NM_CONTROLLED = yes
7 BOOTPROTO = dhcp
8 ESSID = "thm" 3. installation tool wpa_supplicant
1 xxx # yum install wpa_supplicant4. configure/etc/wpa_supplicant/wpa_supplicant.conf and write the related ssid and password.
1 xxx # wpa_passphrase thm 12345678>/etc/wpa_supplicant/wpa_supplicant.conf my configuration file content is:
1 ctrl_interface =/var/run/wpa_supplicant
2 ctrl_interface_group = wheel
3
4 network = {
5 ssid = "thm"
6 # psk = "12345678"
7 psk = eabb3e1572789c41a1600051b1235e03c0787c88fc527f6597cd29cb5a7078225. run the wpa_supplicant process in the background.
1 xxx # wpa_supplicant-B-Dwext-iwlan0-c/etc/wpa_supplicant/wpa_supplicant.conf6. search for wireless networks
1 xxx # iwlist wlan0 scan | grep ESSID7. connect to the wireless network
1 xxx # iwconfig wlan0 essid "thm" 8. obtain the ip address through dhcp
1 xxx # dhclient wlan09. test network connectivity
1 xxx # ping www.baidu.com