problem on running nodejs app by node app.js command and problem on install nodemon package in ubuntu 18.04LTS

[majidkaka...@gmail.com]

hello friend .i am beginner in nodejs and ubuntu. i install ubuntu recently and tried to install nodejs and npm on it .i use this link for install nodejs and npm on my os:

https://websiteforstudents.com/install-the-latest-node-js-and-nmp-packages-on-ubuntu-16-04-18-04-lts/

when i run a simple node app i can't running app by node app.js command and i can't install nodemon package but i success to install express package

i don't know what to do know please help me.

majid@majid-Lenovo-V310-15ISK:~/Desktop/restfulApi$ node app.js

majid@majid-Lenovo-V310-15ISK:~/Desktop/restfulApi$ npm i nodemon -g

npm WARN checkPermissions Missing write access to /usr/lib/node_modules

npm ERR! path /usr/lib/node_modules

npm ERR! code EACCES

npm ERR! errno -13

npm ERR! syscall access

npm ERR! Error: EACCES: permission denied, access '/usr/lib/node_modules'

npm ERR!  { Error: EACCES: permission denied, access '/usr/lib/node_modules'

npm ERR!   stack: 'Error: EACCES: permission denied, access \'/usr/lib/node_modules\'',

npm ERR!   errno: -13,

npm ERR!   code: 'EACCES',

npm ERR!   syscall: 'access',

npm ERR!   path: '/usr/lib/node_modules' }

npm ERR!

npm ERR! The operation was rejected by your operating system.

npm ERR! It is likely you do not have the permissions to access this file as the current user

npm ERR!

npm ERR! If you believe this might be a permissions issue, please double-check the

npm ERR! permissions of the file and its containing directories, or try running

npm ERR! the command again as root/Administrator (though this is not recommended).

npm ERR! A complete log of this run can be found in:

npm ERR!     /home/majid/.npm/_logs/2018-09-16T06_09_01_228Z-debug.log

[Ritesh Gupta]

Since you are installing it globally, the packages would go to /usr/lib or /use/local/lib. These folders needs sudo permission.

Try using "sudo npm install...."

Else you can install locally without g and it would be available in local node_modules folder which would not need sudo permission.

Hope this helps...

Regards,

Ritesh

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[Vishwadeep Kapoor]

Hi,

As it showing permission rights, try using

sudo node app.js