IoT & Raspberry Pi
https://www.raspberrypi.org/training
https://projects.raspberrypi.org/en/projects/raspberry-pi-getting-started
chmod
linux & chmod 777 & chmod +x
https://www.cnblogs.com/xgqfrms/p/9546961.html
https://www.cnblogs.com/xgqfrms/p/9551553.html
https://www.cnblogs.com/xgqfrms/p/9626636.html
https://github.com/xgqfrms-GitHub/Node-CLI-Tools/blob/master/bash-shell-chmod.md
#!/bin/sh
# echo "^-v-^ JSON DB is running in development env!" && npm run db
# echo "^-v-^ JSON DB is running in development env!" && nodemon -w ./server.js localhost 8888
JSONDB="nodemon -w ./server.js localhost 8888"
${JSONDB} &
# chmod +x db.sh
# OR
# chmod 777 db.sh
# sudo ./db.sh
# nodemon -w ./server.js localhost 8888
# /bin/sh db.sh
# ps -ef | grep node
# sudo kill -9 <PID>
Linux Shell
编写首个Shell脚本
打开你使用的文本编辑器，粘贴如下内容：
#!/bin/bash
echo "Hello World!"
将其保存成 1st.sh 再执行看看效果：
chmod 755 1st.sh
./1st.sh
执行成功了，是不是非常简单。
下面我们再建立一个 2nd.sh 并粘入如下内容：
#!/bin/bash
echo "What is your name?"
read a;
echo "Hey $a! what is your Favorite Website?"
read b;
echo -e "That's Nice to know @$a that $b is your favorite Website"
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