npm install err

npm WARN saveError ENOENT: no such file or directory, open ’/Users/volodymyrilin/package.json’
npm WARN enoent ENOENT: no such file or directory, open ’/Users/volodymyrilin/package.json’
npm WARN volodymyrilin No description
npm WARN volodymyrilin No repository field.
npm WARN volodymyrilin No README data
npm WARN volodymyrilin No license field.

помогите с этой проблемой плз,
еще и angularCLI пишет command not found: ng