無線網(wǎng)絡(luò)配置

查找可用的網(wǎng)絡(luò)

pi@raspberrypi:~ $ sudo iwlist wlan0 scanwlan0 Scan completed :Cell 01 - Address: 9C:B2:B2:C9:AB:B6Channel:1Frequency:2.412 GHz (Channel 1)Quality=44/70 Signal level=-66 dBm Encryption key:offESSID:"CHEN-OPEN"Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s24 Mb/s; 36 Mb/s; 54 Mb/sBit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/sMode:MasterExtra:tsf=0000000000000000Extra: Last beacon: 162520ms agoIE: Unknown: 00044348454EIE: Unknown: 010882848B962430486CIE: Unknown: 030101IE: Unknown: 2A0100IE: Unknown: 32040C121860IE: Unknown: 2D1A210017FF00000000000000000080010000000000000000000000IE: Unknown: 3D1601080400000000000000000000000000000000000000IE: Unknown: 7F080400008001000040IE: Unknown: DD1E00904C0408BF0C3250800FFEFF0000FEFF0000C0050001000000C3020002IE: Unknown: DD090010180201101C0000IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00Cell 02 - Address: 9C:3A:9A:82:CA:61Channel:3Frequency:2.422 GHz (Channel 3)Quality=39/70 Signal level=-71 dBm Encryption key:onESSID:"test-link"Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s9 Mb/s; 12 Mb/s; 18 Mb/sBit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/sMode:MasterExtra:tsf=0000000000000000Extra: Last beacon: 100ms agoIE: Unknown: 00027366IE: Unknown: 010882848B960C121824IE: Unknown: 030103IE: Unknown: 050400010100IE: Unknown: 0706434E20010D1EIE: Unknown: 2A0100IE: Unknown: 32043048606CIE: Unknown: 2D1AAD011BFFFF0000000000000000000001000000000406E6A70C00IE: Unknown: 3D1603080400000000000000000000000000000000000000IE: Unknown: 4A0E14000A002C01C800140005001900IE: Unknown: 7F080100000000000040IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00IE: Unknown: DD0A02115A01020100000002IE: Unknown: DD0E02115A0101019C3A9A02CA610000IE: Unknown: DD0A02115A01030100000000IE: Unknown: DD0A02115A01040100000000IE: Unknown: DD0900037F01010000FF7FIE: WPA Version 1Group Cipher : TKIPPairwise Ciphers (2) : CCMP TKIPAuthentication Suites (1) : PSKIE: IEEE 802.11i/WPA2 Version 1Group Cipher : TKIPPairwise Ciphers (2) : CCMP TKIPAuthentication Suites (1) : PSK

修改配置文件

pi@raspberrypi:~ $ sudo vi /etc/wpa_supplicant/wpa_supplicant.conf

文件內(nèi)容為

country=GB
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1

如果連接連接開放網(wǎng)絡(luò)，在文件末尾添加

network={
ssid=“CHEN-OPEN”
key_mgmt=NONE
}

如果連接連接加密網(wǎng)絡(luò)，在文件末尾添加

network={
ssid=“test-link”
key_mgmt=WPA-PSK
psk=“12345678”
}

查看連接是否成功
修改上述文件后，一般情況下會(huì)自動(dòng)進(jìn)行連接.
如果顯示IP地址則表示連接成功

pi@raspberrypi:~ $ ifconfig wlan0 wlan0 Link encap:Ethernet HWaddr b8:27:eb:c6:a9:85 inet addr:192.168.43.59 Bcast:192.168.43.255 Mask:255.255.255.0inet6 addr: 2409:8920:610:d61:314e:7d16:36dd:1d36/64 Scope:Globalinet6 addr: fe80::ff30:bce8:b49d:b9a8/64 Scope:LinkUP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1RX packets:534 errors:0 dropped:0 overruns:0 frame:0TX packets:468 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000 RX bytes:43155 (42.1 KiB) TX bytes:113503 (110.8 KiB)

手動(dòng)連接
如果不顯示IP，則表示自動(dòng)連接不成功。此時(shí)可以手動(dòng)進(jìn)行連接，查看輸出的錯(cuò)誤詳情
（下面這個(gè)是成功情況下的回顯）

pi@raspberrypi:~ $ sudo wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -i wlan0Successfully initialized wpa_supplicant ctrl_iface exists and seems to be in use - cannot override it Delete '/var/run/wpa_supplicant/wlan0' manually if it is not used anymore Failed to initialize control interface 'DIR=/var/run/wpa_supplicant GROUP=netdev'. You may have another wpa_supplicant process already running or the file was left by an unclean termination of wpa_supplicant in which case you will need to manually remove this file before starting wpa_supplicant again.

SSH遠(yuǎn)程登陸配置

在sd卡的boot分區(qū)中添加空文件ssh即可

總結(jié)

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