(Noobie) [ERROR] An error occurred while running npm i -g ionic@latest (exit code 243):

Hi,

Im trying to create an app with Ionic. I am on Xubuntu and this is what I did :

kkwetsukre@kkwetsukre-Latitude-E6400:~$ cd testionic/
kkwetsukre@kkwetsukre-Latitude-E6400:~/testionic$ ionic serve

? The Ionic CLI has an update available (3.19.0 => 3.19.1)! Would you like to in
stall it? Yes
> npm i -g ionic@latest
✖ Running command - failed!
[ERROR] An error occurred while running npm i -g ionic@latest (exit code 243):

        
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/archiver
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/depd
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/encodeurl
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/end-of-stream
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/livereload-js
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/opn
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/semver
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/tar
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/tiny-lr
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/tslib
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/uuid
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/@ionic/cli-utils
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/@ionic
        npm WARN checkPermissions Missing write access to /usr/lib/node_modules
        npm WARN checkPermissions Missing write access to 
        /usr/lib/node_modules/ionic/node_modules/http-errors
        npm ERR! path /usr/lib/node_modules/ionic/node_modules/archiver
        npm ERR! code EACCES
        npm ERR! errno -13
        npm ERR! syscall access
        npm ERR! Error: EACCES: permission denied, access 
        '/usr/lib/node_modules/ionic/node_modules/archiver'
        npm ERR!  { Error: EACCES: permission denied, access 
        '/usr/lib/node_modules/ionic/node_modules/archiver'
        npm ERR!   stack: 'Error: EACCES: permission denied, access 
        \'/usr/lib/node_modules/ionic/node_modules/archiver\'',
        npm ERR!   errno: -13,
        npm ERR!   code: 'EACCES',
        npm ERR!   syscall: 'access',
        npm ERR!   path: '/usr/lib/node_modules/ionic/node_modules/archiver' }
        npm ERR! 
        npm ERR! Please try running this command again as root/Administrator.
        
        npm ERR! A complete log of this run can be found in:
        npm ERR!     
        /home/kkwetsukre/.npm/_logs/2018-01-29T09_44_18_327Z-debug.log

Do has anyone an idea ? (and sorry for my english)
Thanks

And I also got :slight_smile:

kkwetsukre@kkwetsukre-Latitude-E6400:~/testionic$ ionic serve
Erreur du bus (core dumped)