安装npm
curl -sL https://deb.nodesource.com/setup_12.x | sudo bash - sudo apt-get install -y nodejs gcc g++ make python node -v sudo npm i -g npm
查看网络端口号,杀死对应进程
//提示[Errno 98] Address already in use
netstat -nlp | grep :端口号 ps -fA | grep python kill -9 pid


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