安装“npm install -g ionic @ latest cordova”但我收到错误

Question

当我在cordova中运行以下命令时，

npm install -g ionic@latest cordova

我收到以下错误 -

npm WARN optional Skipping failed optional dependency /ionic/chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.1.2
npm ERR! Linux 4.4.0-43-Microsoft
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "-g" "ionic@latest" "cordova"
npm ERR! node v4.2.6
npm ERR! npm  v3.5.2
npm ERR! path /usr/local/lib/node_modules/cordova/node_modules/npm/node_modules/dezalgo
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access

npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules/cordova/node_modules/npm/
node_modules/dezalgo'
npm ERR!     at Error (native)
npm ERR!  { [Error: EACCES: permission denied, access '/usr/local/lib/node_modules/cordova/node_modules/
npm/node_modules/dezalgo']
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'access',
npm ERR!   path: '/usr/local/lib/node_modules/cordova/node_modules/npm/node_modules/dezalgo' }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.

npm ERR! Please include the following file with any support request:
npm ERR!     /home/oj1125/npm-debug.log

任何人都可以帮我解决这些错误吗？