open ssh on openwrt

Ref : http://www.it-slav.net/blogs/2011/04/02/open-ssh-on-the-wan-inteface-openwrt/


config rule                
        option src              wan
        option dest_port        22
        option target           ACCEPT     
        option proto            tcp 



reset firewall

/etc/init.d/firewall restart

接下來就可以用 putty 軟體用 ssh的方式連進來.

python thread

Ref :  https://puremonkey2010.blogspot.tw/2012/07/python-python-threading.html

mqtt install

Ref :  http://www.slideshare.net/EllingtonSu/mqtt-61900840

Ref : http://rocksaying.tw/archives/2016/MQTT-3-Python-clients.html


Ref : https://makerpro_taiwan.gitbooks.io/lass-7688-duo-pm2-5-remote-controller/content/cong_linux_duan_qu_de_mqtt_zi_liao_fen_feng_chuan_.html

default port : 1883/ 8883 (TLS)



先確定有沒有pip

easy_install pip

opkg install python-openssl

pip install paho-mqtt

===============================================

pub

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中間的server 是 Broker...

device 自己可以當 Publusher (類似Tx)...  也可以當  Subscriber(類似Rx)

7688 用指令切換 sta mode

Ref :  https://medium.com/maker-cup/smart-7688-duo-ap-station-mode-command%E7%9A%84%E5%88%87%E6%8F%9B%E8%88%87%E8%A8%AD%E5%AE%9A-e8da97b7b332#.3hpmjvld7

# uci set wireless.sta.ssid=MyAP       (AP的SSID)
# uci set wireless.sta.encryption=psk2 (加密模式)
# uci set wireless.sta.key=12345678    (AP密碼)
# uci set wireless.sta.disabled=0      (將stationMode打開)
# uci commit
# wifi