Já instalei o Node, e agora entrei no terminal e tentei a instalação do typescript e estou com esse erro.
dayson@Dayson:~$ npm install -g typescript
npm WARN checkPermissions Missing write access to /usr/local/lib
/usr/local/lib
└── typescript@2.6.2
npm ERR! Linux 4.13.0-26-generic
npm ERR! argv “/usr/bin/nodejs” “/usr/bin/npm” “install” “-g” "typescript"
npm ERR! node v4.2.6
npm ERR! npm v3.5.2
npm ERR! path /usr/local/lib
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access '/usr/local/lib’
npm ERR! at Error (native)
npm ERR! { [Error: EACCES: permission denied, access ‘/usr/local/lib’]
npm ERR! errno: -13,
npm ERR! code: ‘EACCES’,
npm ERR! syscall: ‘access’,
npm ERR! path: ‘/usr/local/lib’ }
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/dayson/npm-debug.log
dayson@Dayson:~$