iw dev
phy#0
Interface wlp3s0
ifindex 2
wdev 0x1
addr a4:4e:31:33:2a:48
ssid NETGEAR90
type managed
channel 2 (2417 MHz), width: 20 MHz, center1: 2417 MHz
txpower 15.00 dBm
这里可以看到我们的无线接口为wlp3s0
sudo ip link set wlp3s0 up
sudo iw wlp3s0 scan |grep SSID
SSID: NETGEAR90
SSID: NETGEAR90
SSID: \x20 \xe5\xb0\x8f\xe7\xb1\xb3\xe5\x85\xb1\xe4\xba\xabWiFi_3C87
SSID: ChinaNet-TZF2
SSID: JATEN-2.4G
SSID: NETGEAR90
SSID: Xiaomi_plus17
* SSID List
SSID: TP-LINK_WU
SSID: HiWiFi_200A32
SSID: TP-LINK_5G_610C
SSID: HUAWEI-45DWWD
SSID: PDCN20180626
SSID: HUAWEI-SM2MG2
SSID: TV1209
SSID: MyHomeCloud
SSID: CMCC-j667
这里假设我们想要连接MyHomeCloud
sudo iw wlp3s0 connect -w MyHomeCloud
这里假设WEP密码是1234567890
sudo iw wlp3s0 connect -w MyHomeCloud key d:0:1234567890
可惜iw只能处理WEP加密,要连接WPA需要 wpasupplicant
- 生成配置信息
wpa_passphrase ${SSID} >>/etc/wpa_supplicant.conf # 然后输入登陆密码
- 进行连接
sudo wpa_supplicant -B -D wext -i wlp3s0 -c /etc/wpa_supplicant.conf
- 获取无线路由提供的DHCP IP
# 申请前先释放原有地址 sudo dhclient -r wlp3s0 sudo dhclient wlp3s0
iw wlp3s0 disconnect