Erreur: EACCES: le refus d'une autorisation, d'accéder à "/usr/lib/node_modules'

Je suis en train d'installer la machine avec la commande npm install -g typescript, et renvoie cette erreur :

    npm ERR! Error: EACCES: permission denied, access '/usr/lib/node_modules'
npm ERR!     at Error (native)
npm ERR!  { Error: EACCES: permission denied, access '/usr/lib/node_modules'
npm ERR!     at Error (native)
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'access',
npm ERR!   path: '/usr/lib/node_modules' }
npm ERR! 
npm ERR! Please try running this command again as root/Administrator.
npm ERR! Linux 4.4.0-93-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "-g" "typescript"
npm ERR! node v6.11.2
npm ERR! npm  v3.10.10
npm ERR! path npm-debug.log.1024969454
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall open
npm ERR! Error: EACCES: permission denied, open 'npm-debug.log.1024969454'
npm ERR!     at Error (native)
npm ERR!  { Error: EACCES: permission denied, open 'npm-debug.log.1024969454'
npm ERR!     at Error (native)
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'open',
npm ERR!   path: 'npm-debug.log.1024969454' }
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!     /npm-debug.log
jramirez@jramirez:/$ ^C
jramirez@jramirez:/$ npm install typescript
npm WARN checkPermissions Missing write access to /
/
└── typescript@2.5.2 
npm WARN enoent ENOENT: no such file or directory, open '/package.json'
npm WARN !invalid#1 No description
npm WARN !invalid#1 No repository field.
npm WARN !invalid#1 No README data
npm WARN !invalid#1 No license field.
npm ERR! Linux 4.4.0-93-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "typescript"
npm ERR! node v6.11.2
npm ERR! npm  v3.10.10
npm ERR! path /
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access '/'
npm ERR!     at Error (native)
npm ERR!  { Error: EACCES: permission denied, access '/'
npm ERR!     at Error (native) errno: -13, code: 'EACCES', syscall: 'access', path: '/' }
npm ERR! 
npm ERR! Please try running this command again as root/Administrator.
npm ERR! Linux 4.4.0-93-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "typescript"
npm ERR! node v6.11.2
npm ERR! npm  v3.10.10
npm ERR! path npm-debug.log.2387664261
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall open
npm ERR! Error: EACCES: permission denied, open 'npm-debug.log.2387664261'
npm ERR!     at Error (native)
npm ERR!  { Error: EACCES: permission denied, open 'npm-debug.log.2387664261'
npm ERR!     at Error (native)
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'open',
npm ERR!   path: 'npm-debug.log.2387664261' }
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!     /npm-debug.log

De plus j'ai également npm install typescript (sans l'option-g), mais ne marche pas, ou n'existe rien d'autre moyen pour installer tapuscrit?
Mon système d'exploitation est Linux Ubuntu 16.04.
J'utilise rarement node et ne sais pas résoudre ce problème.

Ma question est : Exactement, ce que les répertoires des besoins qui permmisions ?

Essayez sudo npm install -g typescript

OriginalL'auteur jjoselon | 2017-09-05