Model B+连接WIFI问题
Raspberry Pi Model B+ 连接WIFI时报错“Failed to connect to wpa_supplicant - wpa_ctrl_open: No such file or directory”在/var/run 里面确是没有wpa_supplicant这个文件。错误如下：http://bbs.elecfans.com/data/attachment/forum/201704/18/201854d51qtqtg0t062q32.jpg.thumb.jpg
可以看到输入ifconfig可以看到wlan0，说明网卡在硬件上是可行的。
http://bbs.elecfans.com/data/attachment/forum/201704/18/201922urfwsfowwy16k5sr.jpg.thumb.jpg
/etc/network/interfaces如下：
http://bbs.elecfans.com/data/attachment/forum/201704/18/202113tc312z91a03c6hec.jpg.thumb.jpg
/etc/wpa_supplicant/wpa_supplicant.conf如下：
http://bbs.elecfans.com/data/attachment/forum/201704/18/202131srioorv119r2m9r6.jpg.thumb.jpg
还请各路大神看看。教导我一番。
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