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Record the Node.js/vue/yarn installation Linuxnode. js npm # Download wget https://nodejs.org/dist/v14.15.3/node-v14.15.3-linux-x64.tar.xz #Decompress tar xf node-v14.15.3-linux-x64.tar.xz #Enter directory cd node-v14.15.3-linux-x64 #Establish soft connection and take effect globally ln -s /root/node-v14.15.3-linux-x64/bin/npm /usr/local/bin/npm ln -s /root/node-v14.15.3-linux-x64/bin/node /usr/local/bin/node Node - v # version query Npm - v # version query Which npm # where is npm npm The installation directory creates a soft link. The environment variable can not be configured. vim/etc/profile Add the bottom export PATH=$PATH:/root/node-v14.15.3-linux-x64/bin Refresh the configuration, and take effect immediately. source/etc/profileyarn # Install npm install -g yarn #Create a soft link. It takes effect globally ln -s /root/node-v14.15.3-linux-x64/bin/yarn /usr/local/bin/ #Version Query yarn -v #Installation position Which yarn # where is yarnPM2 # Install either. npm or yarn npm install -g pm2 yarn global add pm2 ##If you do not know where the installation location is, you can see the installation process #Create a soft link. It takes effect globally ln -s /root/node-v14.15.3-linux-x64/bin/pm2 /usr/local/bin/ #Version Query pm2 -v #Installation position which pm2 # whereis pm2 #Start process pm2 start server.js #View process Pm2 listWindowsNode.js starts the installation by downloading from the official website. Keep clicking Next. Note: Check to install the necessary tools automatically Note that this will also install Chocolatey. The script will pop up in a new window after the installation completes. After the installation is completed, the CMD window executes node - v to view the node version npm - v to view the npm version npm install - g npm npm update. If the command is not an internal or external command Check whether the system variables are added. Generally, the system variable path will be automatically added: My Computer - Properties - Advanced System Settings - Environment Variables - System Variables - Pathvue Scaffold Official Website: Vue CLI Global Installation of vue cil, the so-called scaffold, provided that node.js is installed and npm install - g @ vue/cli is installed # or Yarn global add @ vue/cli Question 1: For example, execute the command: always stop fetchMetadata: sill resolveWithNewModule View node source: npm config get registry Switch to Taobao source npm config set registry https://registry.npm.taobao.org Problem 2: Installation error npm WARN deprecated vue-cli@2.9.6 : This package has been deprecated in favour of @vue/cli npm WARN deprecated request@2.88.2 : request has been..... ... or other errors, see the following reasons Try to clear the cache. Uninstall. Reinstall to clear the cache npm cache clean --force Uninstall older versions npm uninstall -g @vue/cli # or Yarn global remove vue cli Upgrade npm update - g @ vue/cli # or Yarn global upgrade -- latest @ vue/cliView version vue - V # or Vue -- version Installation succeeded. 'vue' is not an internal or external command? System variable C: * * * node under configuration_ Before downloading and installing on the global yarn official website, Node.js needs to be installed first. The same is true. After the installation is complete, click next. Execute npm install - g yarn in the CMD window to verify whether the installation is successful. Re enter the CMD to view the yarn version yarn - v
