用Xshell root连接时显示ssh服务器拒绝了密码，应该是应该是sshd的设置不允许root用户用密码远程登录 修改 /etc/ssh/sshd_config文件，注意，安装了openssh才会有这个文件，如果文件不存在请检查是否安装了openssh。vim /etc/ssh/sshd_config11找到# Authentication:LoginGraceTime

1、npm install使用npm install各种报错，安装淘宝镜像，使用cnpm install正常安装2、npm run devnpm 报错 Cannot find module 'core-js/modules/es6.regexp.constructor'是因为不识别es6语法，使用如下命令：cnpm install core-js@2...

sockjs-node/info报错GET http://localhost/sockjs-node/info?t=1641268443660 net::ERR_CONNECTION_REFUSEDsockjs-node作用   SockJS is a JavaScript library (for browsers) that provides a WebSocket-like object.

sockjs-node/info报错GET http://localhost/sockjs-node/info?t=1641268443660 net::ERR_CONNECTION_REFUSEDsockjs-node作用   SockJS is a JavaScript library (for browsers) that provides a WebSocket-like object.