سلام.
هنگام نصب angular/cli از این دستور استفاده کردم:
sudo npm install -g @angular/cli
این خطا رو میده:
npm ERR! code ENOTFOUND
npm ERR! errno ENOTFOUND
npm ERR! network request to https://registry.npmjs.org/opn failed, reason: getaddrinfo ENOTFOUND registry.npmjs.org registry.npmjs.org:443
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly. See: 'npm help config'
npm ERR! A complete log of this run can be found in:
npm ERR! /home/arash/.npm/_logs/2018-05-15T10_09_07_319Z-debug.log