debian命令行连接wifi

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参考技术A 按下ctrl+x退出，输入Y确定，再按下确定

这时候应该是已经连接到wifi了。
wlan0 是无线网卡的识别名称，如果你的无线网卡识别名称不是这个，换成相应名称即可。

树莓派 RaspberryPi 终端命令行配置无线网络连接wifi

root@raspberrypi:~# ifconfig wlan0 uproot@raspberrypi:~#root@raspberrypi:~# iwlist wlan0 scanwlan0     Scan completed :          Cell 01 - Address: 68:A0:3E:5C:CA:70                    Channel:1                    Frequency:2.412 GHz (Channel 1)                    Quality=39/70  Signal level=-71 dBm                    Encryption key:on                    ESSID:"wifi名称"                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s                              11 Mb/s; 12 Mb/s; 18 Mb/s                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s                    Mode:Master                    Extra:tsf=0000000000000000                    Extra: Last beacon: 10ms ago                    IE: Unknown: 000D436C6F7564616E745F4B485A58                    IE: Unknown: 010882848B0C12961824                    IE: Unknown: 030101                    IE: Unknown: 0706434E20010D1B                    IE: Unknown: 23021E00                    IE: Unknown: 46050000000000                    IE: Unknown: 2A0103                    IE: IEEE 802.11i/WPA2 Version 1                        Group Cipher : CCMP                        Pairwise Ciphers (1) : CCMP                        Authentication Suites (1) : PSK                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00                    IE: Unknown: 32043048606C                    IE: Unknown: 0B0507006E0000

root@raspberrypi:~# vi /etc/wpa_supplicant/wpa_supplicant.confroot@raspberrypi:~#root@raspberrypi:~# cat /etc/wpa_supplicant/wpa_supplicant.confctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdevupdate_config=1country=CNnetwork={        ss        key-mgmt=WPA-PSK        psk="wifi密码"}root@raspberrypi:~#root@raspberrypi:~# ifconfig wlan0wlan0: flags=4099  mtu 1500        ether e4:5f:01:00:3b:a1  txqueuelen 1000  (Ethernet)        RX packets 0  bytes 0 (0.0 B)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 0  bytes 0 (0.0 B)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0root@raspberrypi:~#root@raspberrypi:~# wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -i wlan0Successfully initialized wpa_supplicantLine 7: too large scan_ssid (value=11 max_value=1)Line 7: failed to parse scan_ssid "11".Line 10: failed to parse network block.Failed to read or parse configuration "/etc/wpa_supplicant/wpa_supplicant.conf".root@raspberrypi:~#

root@raspberrypi:~# vi /etc/wpa_supplicant/wpa_supplicant.confroot@raspberrypi:~#root@raspberrypi:~# cat /etc/wpa_supplicant/wpa_supplicant.confctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdevupdate_config=1country=CNnetwork={        ss        scan_ssid=11        key-mgmt=WPA-PSK        psk="wifi密码"}

root@raspberrypi:~# wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -i wlan0Successfully initialized wpa_supplicantwlan0: CTRL-EVENT-REGDOM-CHANGE init=USER type=COUNTRY alpha2=CNwlan0: Trying to associate with SSID "wifi名称"wlan0: Associated with b8:27:c5:a7:9d:b0wlan0: CTRL-EVENT-CONNECTED - Connection to b8:27:c5:a7:9d:b0 completed [id=0 id_str=]wlan0: CTRL-EVENT-SUBNET-STATUS-UPDATE status=0wlan0: CTRL-EVENT-REGDOM-CHANGE init=COUNTRY_IE type=COUNTRY alpha2=CNnl80211: Failed to open /proc/sys/net/ipv4/conf/p2p-dev-wlan0/drop_unicast_in_l2_multicast: No such file or directorynl80211: Failed to set IPv4 unicast in multicast filternl80211: Failed to open /proc/sys/net/ipv4/conf/p2p-dev-wlan0/drop_unicast_in_l2_multicast: No such file or directorynl80211: Failed to set IPv4 unicast in multicast filternl80211: deinit ifname=p2p-dev-wlan0 disabled_11b_rates=0p2p-dev-wlan0: CTRL-EVENT-TERMINATINGwlan0: CTRL-EVENT-DISCONNECTED bssid=b8:27:c5:a7:9d:b0 reason=3 locally_generated=1nl80211: deinit ifname=wlan0 disabled_11b_rates=0wlan0: CTRL-EVENT-TERMINATINGroot@raspberrypi:~#root@raspberrypi:~# ifconfigeth0: flags=4163  mtu 1500        inet 169.254.205.229  netmask 255.255.0.0  broadcast 169.254.255.255        inet6 fe80::e65f:1ff:fe00:3ba0  prefixlen 64  scopeid 0x20        ether e4:5f:01:00:3b:a0  txqueuelen 1000  (Ethernet)        RX packets 1841  bytes 150781 (147.2 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 1483  bytes 179352 (175.1 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0lo: flags=73  mtu 65536        inet 127.0.0.1  netmask 255.0.0.0        inet6 ::1  prefixlen 128  scopeid 0x10        loop  txqueuelen 1000  (Local Loopback)        RX packets 5938  bytes 341948 (333.9 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 5938  bytes 341948 (333.9 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0wlan0: flags=4099  mtu 1500        inet6 fe80::e65f:1ff:fe00:3ba1  prefixlen 64  scopeid 0x20        ether e4:5f:01:00:3b:a1  txqueuelen 1000  (Ethernet)        RX packets 1  bytes 46 (46.0 B)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 75  bytes 14475 (14.1 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0root@raspberrypi:~#root@raspberrypi:~# reboot

重启后重新连接

Linux raspberrypi 5.4.83-v7l+ #1379 SMP Mon Dec 14 13:11:54 GMT 2020 armv7lThe programs included with the Debian GNU/Linux system are free software;the exact distribution terms for each program are described in theinpidual files in /usr/share/doc/*/copyright.Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extentpermitted by applicable law.Last login: Sun Aug 22 19:00:09 2021 from 169.254.205.222root@raspberrypi:~# ifconfigeth0: flags=4163  mtu 1500        inet 169.254.205.229  netmask 255.255.0.0  broadcast 169.254.255.255        inet6 fe80::e65f:1ff:fe00:3ba0  prefixlen 64  scopeid 0x20        inet6 fe80::3fa1:9571:af73:8712  prefixlen 64  scopeid 0x20        ether e4:5f:01:00:3b:a0  txqueuelen 1000  (Ethernet)        RX packets 168  bytes 18457 (18.0 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 125  bytes 21969 (21.4 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0lo: flags=73  mtu 65536        inet 127.0.0.1  netmask 255.0.0.0        inet6 ::1  prefixlen 128  scopeid 0x10        loop  txqueuelen 1000  (Local Loopback)        RX packets 86  bytes 8628 (8.4 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 86  bytes 8628 (8.4 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0wlan0: flags=4163  mtu 1500        inet 192.168.3.190  netmask 255.255.255.0  broadcast 192.168.3.255        inet6 fe80::e65f:1ff:fe00:3ba1  prefixlen 64  scopeid 0x20        ether e4:5f:01:00:3b:a1  txqueuelen 1000  (Ethernet)        RX packets 37  bytes 2926 (2.8 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 80  bytes 14266 (13.9 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0root@raspberrypi:~#

其实到这里还没完，应该手动再配置一波，搞成静态IP（下期再说）

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打完收工！我们下期见！

 

 

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