Error in ionic installation

I am installing ionic via sudo npm install ionic -g

and getting the following error

/root/.nvm/versions/node/v4.2.2/bin/ionic -> /root/.nvm/versions/node/v4.2.2/lib/node_modules/ionic/bin/ionic

> node-sass@3.4.2 install /root/.nvm/versions/node/v4.2.2/lib/node_modules/ionic/node_modules/node-sass
> node scripts/install.js

    throw err;
Error: Cannot find module '/root/.nvm/versions/node/v4.2.2/lib/node_modules/ionic/node_modules/node-sass/scripts/install.js'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:902:3
npm ERR! Linux 3.13.0-32-generic
npm ERR! argv "/root/.nvm/versions/node/v4.2.2/bin/node" "/root/.nvm/versions/node/v4.2.2/bin/npm" "install" "ionic" "-g"
npm ERR! node v4.2.2
npm ERR! npm  v2.14.7

npm ERR! node-sass@3.4.2 install: `node scripts/install.js`
npm ERR! Exit status 8
npm ERR! 
npm ERR! Failed at the node-sass@3.4.2 install script 'node scripts/install.js'.
npm ERR! This is most likely a problem with the node-sass package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node scripts/install.js
npm ERR! You can get their info via:
npm ERR!     npm owner ls node-sass
npm ERR! There is likely additional logging output above.

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

The issue is also listed in ionic forums: -

I have tried changing node, npm, cordova versions multiple times but every time I get this error so I guess this has nothing to do with versions. Also at some places it was mentioned that installing ionic from root might help so I have done that also.

Kindly help me figure out this one. Thanks


Easy way to install ionic-framework follow in Nic-raboy bolg here.

chmod 775
sudo ./

Download the from the **download a convenient shell script** which is provided in the blog and then follow the steps and sit back and relax.

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