Question 112574 in Ubuntu Question posted in
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install nodejs and npm on ubuntu 21.10, install sucessful but showing wrong version with "node -v"

I am new to js and wanted to install nodejs LTS version and npm on ubuntu 21.10. So, I followed the nodesources repository install instructions and it had stated to use the install script for LTS and it worked fine as I followed the same instructions mentioned in it.

But, after installation of the nodejs package, when I try to check the node -v: it shows as 12.x.x, while the latest LTS version for nodejs is 16.x.x. I did not understand why this is happening and what is the solution for this?

P.S: I have mentioned the commands that I had used for installation of nodejs LTS 16.x.x, and the site link is this: https://github.com/nodesource/distributions/blob/master/README.md

cmd:

Node.js LTS (v16.x):

# Using Ubuntu
curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
sudo apt-get install -y nodejs

Please note: I have not installed the optional build tools yet and not the npm as well. I’m confused on what to do now…

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2

Answers


  1. 0

    One easy way is installing nvm, which comes with the additional advantage of being able to install several different versions of node and switching between them easily:

    https://github.com/nvm-sh/nvm#installing-and-updating

    Once installed, in some occasions you have to close the terminal and reopen it for the nvm command to work. From then on, simply install the version you need:

    nvm install lts

    or a specific version:

    nvm install 14.7.0 # or 16.3.0, 12.22.1, etc

    With this single command, it installs together the corresponding npm version compatible with the node being installed, so you don’t have to worry about it. To switch between versions, just:

    nvm use 14.7.0 # or 16.3.0, 12.22.1, etc
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  2. 0

    another the most simple NodeJS version manager is the one that created by tj
    it’s callend ‘n’

    https://github.com/tj/n

    N in action

    you can install it as easy as :

    install NPM first :

    $ curl -L https://raw.githubusercontent.com/tj/n/master/bin/n -o n
bash n lts

    Now node and npm are available, installing n :

    $ npm install -g n

    then if you want to install the LTS version of NodeJS. just use this command :

    $ n lts

    or if you want the latest version of NodeJS

    $ n latest
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