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Record 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 the 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 NPM installation directory creates a soft link, and the environment variable VIM / etc / profile can be added to the bottom export path = $path / root / node-v14.15.3-linux-x64/bin to refresh the configuration and take effect immediately source / etc / profilearn ා npm install -g yarn #Create soft link. Global effect ln -s /root/node-v14.15.3-linux-x64/bin/yarn /usr/local/bin/ #Version query yarn -v #Installation position Choose between NPM and 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 soft link. Global effect 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 the process pm2 start server.js #View progress pm2 listWindowsNode. JS official website download to start the installation, always click next. Note: check the necessary tools to install automatically Note that this will also install Chocolatey. The script will pop-up in a new window after the installation completes. After installation, 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 system variables are not internal or external commands, the system variables will be automatically added. Path: my computer - properties - advanced system settings - environment variables - system variables - pathvue scaffold official website: Vue cli global installation Vue CIL, The so-called scaffold, the premise is that the node has been installed JS install NPM install - G @ Vue / cli # or For example, if you want to switch the source of the new / M registry / registry, you can use the following command to check the source of the file https://registry.npm.taobao.org Problem 2 installation error NPM warn degraded 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. Try to clear the cache. Uninstall. Re install to clear the cache npm cache clean --force Uninstall old version npm uninstall -g @vue/cli # or Yarn global remove Vue cli upgrade NPM update - G @ Vue / cli # or Yarn global Upgrade -- Latest @ Vue / cli view version Vue - V # or Vue -- version successfully installed. Is' Vue 'not an internal or external command? Configure the system variable C: \ * * * \ node_ You need to install node before downloading and installing the global / yarn official website JS is still the same. After the installation is completed, run 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
