Linux通过npm install -g angular-cli@latest 报错

linux通过命令npm install -g angular-cli@latest
报错，报错信息如下

Unable to save binary /usr/local/nodejs/lib/node_modules/angular-cli/node_modules/node-sass/vendor/linux-x64-64 : { Error: EACCES: permission denied, mkdir '/usr/local/nodejs/lib/node_modules/angular-cli/node_modules/node-sass/vendor'
    at Object.mkdirSync (fs.js:752:3)
    at sync (/usr/local/nodejs/lib/node_modules/angular-cli/node_modules/mkdirp/index.js:71:13)
    at Function.sync (/usr/local/nodejs/lib/node_modules/angular-cli/node_modules/mkdirp/index.js:77:24)
    at checkAndDownloadBinary (/usr/local/nodejs/lib/node_modules/angular-cli/node_modules/node-sass/scripts/install.js:114:11)
    at Object.<anonymous> (/usr/local/nodejs/lib/node_modules/angular-cli/node_modules/node-sass/scripts/install.js:157:1)
    at Module._compile (internal/modules/cjs/loader.js:701:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)
    at Module.load (internal/modules/cjs/loader.js:600:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:539:12)
    at Function.Module._load (internal/modules/cjs/loader.js:531:3)
  errno: -13,
  syscall: 'mkdir',
  code: 'EACCES',
  path:
   '/usr/local/nodejs/lib/node_modules/angular-cli/node_modules/node-sass/vendor' }

发现需要把加上 —unsafe-perm
npm install —unsafe-perm -gangular-cli@latest