Managing multiple Node.js versions with nvm in a tmux session - node.js

Short question
How can I get nvm to work with tmux?
Path Problems
As MarkHu surmised in his answer, the problem is related to the PATH. Below is a comparison of the path in bash before entering tmux and after starting tmux. (I replaced each : in the path with a line break to make it easier to compare.)
Now I'm curious as to:
Why are /usr/local/sbin and /Users/matthew/bin are duplicated in the path?
Why did /Users/matthew/.nvm/v0.11.5/bin along with /usr/local/sbin and /Users/matthew/bin get moved to the end of the path?
Background
I'm running OS X 10.8.4 Mountain Lion. I installed tmux v1.8 and Node.js using:
brew install tmux
brew install node
I then decided I wanted to manage multiple node version, so I installed nvm using:
curl https://raw.github.com/creationix/nvm/master/install.sh | sh
If I'm not in a tmux session, nvm appears to work correctly. When I start a tmux session though, it finds the Node.js installed by Homebrew instead of using the nvm version. Any thoughts on how to get nvm to work with tmux?
$ which node
/Users/matthew/.nvm/v0.11.5/bin/node
$ tmux
$ which node
/usr/local/bin/node
$ nvm use v0.11.5
Now using node v0.11.5
$ which node
/usr/local/bin/node

I just run:
nvm deactivate
nvm use x.x
That seems to work. You can script out the needed version depending on the project you're working on.

Check your $PATH environment var before and after.
There is a difference between setting it in ~/.bash_profile and ~/.bashrc depending on how you have those configured.
Also, you may want to read https://unix.stackexchange.com/questions/15453/using-environment-variables-in-tmux-conf-files if you think other node.js-related vars may need to be set.

Related

Node and npm not found after restarting macOS

I am using my corporate's laptop and am a new mac User (used Ubuntu before) :
OS: macOS Monterey Version 12.2
There are two accounts, administrator and mine - I don't have sudo rights. To install homebrew without administrator rights, I followed this Installation.
To install the node - I used brew install node. Both node -v and npm -v were working. When I restarted the laptop, I cannot find node/npm.
On running $ node -v, I get -bash: node: command not found (I changed my default terminal from zsh to bash and the output is the same for both of them)
I tried this solution but couldn't find nvm in the system. Am new to mac and I believe nvm is some kind of package manager like homebrew so this solution is not applicable to me (correct me if I am wrong).
How can I install things in my system without sudo rights and keep them permanently(like node)?
EDIT:
(After adding brew to the PATH) On running - brew list|grep node, I got - node
$ echo $PATH gives /usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/parthkapadia/homebrew/bin
EDIT2:
Adding brew to path solved the issue, now I can even access node and npm (even after restarting). I used this site to add homebrew/bin to path (in zsh terminal)
The issue was homebrew's path. It was not added to the PATH variable.
When I restarted the system, homebrew was no longer in the PATH (as it was temporarily added probably when I installed it). As homebrew was not added to PATH, the terminal didn't recognize brew or any package installed using it like node or npm.
I solved it by adding Users/username/homebrew/bin to PATH. The steps I followed are -
cd - to move to the home directory
touch .zshrc to create .zshrc file as it didn't exist
nano .zshrc to open the file for editing
Added export PATH=$PATH:/Users/yourusername/homebrew/bin in the file (this appends homebrew/bin to the PATH variable)
Now the terminal can recognize brew and hence node and npm too.
Refer this for more detailed explanation on how to add to PATH in macOS.
Thanks to all the people who helped in the comments.

Why doesn't "n" downgrade my node version on a Mac?

I’m using Mac Big Sur. I want to downgrade the version of Node. I tried the below (installing without sudo gives me permission errors) …
$ sudo n 14.15.1
installed : v14.15.1 to /usr/local/bin/node
active : v14.17.6 at /usr/local/opt/node#14/bin/node
But I still get the current version when I check
$ node -v
v14.17.6
Fwiw, here’s what I see with “which node”
$ which node
/usr/local/opt/node#14/bin/node
Edit: My $PATH when I run 'echo $PATH' ...
/usr/local/opt/node#14/bin:/Users/davea/.rvm/gems/ruby-2.7.1/bin:/Users/davea/.rvm/gems/ruby-2.7.1#global/bin:/Users/davea/.rvm/rubies/ruby-2.7.1/bin:/usr/local/opt/node#14/bin:/Users/davea/.nvm/versions/node/v14.18.1/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/Apple/usr/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.rvm/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.rvm/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.rvm/bin
Edit 2: PATH vars for both regular user and sudo user ...
$ env | grep PATH
PATH=/Users/davea/.rvm/gems/ruby-2.7.1/bin:/Users/davea/.rvm/gems/ruby-2.7.1#global/bin:/Users/davea/.rvm/rubies/ruby-2.7.1/bin:/Users/davea/.nvm/versions/node/v14.18.1/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/Apple/usr/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.rvm/bin
$ sudo env | grep PATH
PATH=/Users/davea/.rvm/gems/ruby-2.7.1/bin:/Users/davea/.rvm/gems/ruby-2.7.1#global/bin:/Users/davea/.rvm/rubies/ruby-2.7.1/bin:/Users/davea/.nvm/versions/node/v14.18.1/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/Apple/usr/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.cabal/bin:/Users/davea/.ghcup/bin:/Users/davea/.rvm/bin
The n message is telling you that the version it just "installed" and the version that is "active" are different. You have two versions of node installed, and the active version is the one that is first in the PATH.
The active version is /usr/local/opt/node#14/bin/node. I don't recognise that path, not sure what was used to install that. It must be in your PATH variable and there might be a clue in your login script as to what added /usr/local/opt/node#14/bin to the PATH?
To get the n installed version of node to be the active version, you could delete the other copy of node, or put /usr/local/bin earlier in PATH so it is found first, or simplest remove /usr/local/opt/node#14/bin from your PATH variable.
If you're going to use multiple node versions like at nvm:
nvm install <version>
Change version with:
nvm use <version>
Docs:
https://github.com/nvm-sh/nvm

I have installed nodejs on windows how should i use it in WSL?

I am having problem using libraries installed on windows to WSL and vice versa. I don't want to install not just nodejs but other things twice just to use it in WSL and also in normal text editors like VS code, atom, etc.
The complete instruction can be found here set-up-on-wsl
If you are too busy to follow the link, follow these steps in the WSL:
Use curl to install nvm
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash
For installing NodeJs (lts)
nvm install node --lts
You can also install specific node version. Check all commands uses by typing nvm in your terminal.
Done Node has been successfully installed in your WSL, nvm ls will list all the installations.
You can use the Node installed in your WSL for developing. Point to your working directory and use code . to open VSCode. Also, if you want to access your windows directories you can mount them by using /mnt/<dir>
If you face any issues during installation it is better to use the link I have provided above.
Also note that, the Node installed in the WSL can only be used, iff your working directory is in the WSL or is linked with your WSL(by using mnt).

Installing nodejs and npm on MSYS2

My OS is win7, and I using MSYS2(version:MSYS_NT-6.1), Please give advice how to install nodejs and npm on this terminal, Thanks!
I found a solution for resolving the problem,
64bit env.
pacman -S mingw-w64-x86_64-nodejs
32bit env.
pacman -S mingw-w64-i686-nodejs
after installed, Open terminal
$ node -v
v6.11.0
As of 2020, the package mingw-w64-x86_64-nodejs is not available any more. The simplest way to have Node.js, npm and git installed on a Windows machine is using the official Windows installers:
Git: https://git-scm.com/download/win
Node.js (npm is shipped with it): https://nodejs.org/en/download/
After installation, open a command prompt (click on start, and then type cmd and [ENTER]) and verify that all three tools are there:
git --version
node --version
npm --version
Later on, to update Node.js, simply reinstall it from the same source.
I wasted a lot of time on this. My solution is:
Download the Windows Binary (.zip) from nodejs site (https://nodejs.org/en/download/current/)
Extract it to some folder
Add that folder to the PATH env variable
It does work to use the Windows installer, and Node.js helpfully provides bash-script versions of npm and npx in C:\Program Files\nodejs\ to help streamline the process.
However, contrary to Cerclanism's comment # jmgonet's answer, you should not use --full-path with MinGW, no matter what terminal you're using, since that will by default bring the entire Windows path into your MinGW environment.
(Assuming you're a typical Windows developer with things like MSVC, Windows Python, and etc. install dirs on your path, containing plenty of names that clash with MinGW path members, you can see how that might bite you at some point down the road. My full Windows CMD.exe %PATH% is 1236 characters! I don't want all that sucked into MinGW.)
Instead, you should add the nodejs install dir to your MinGW shell $PATH, say by using everyone's favorite ~/.profile/~/.zprofile $PATH-munging trick:
# Append node.js to path
case ${PATH} in
*"/c/program files/nodejs"*)
;;
*)
export PATH="$PATH:/c/program files/nodejs:"
;;
esac
You'll probably also want to set some configuration, since by default Windows npm will use ${APPDATA}/npm for prefix, ${LOCALAPPDATA}/npm-cache for cache, C:\Windows\system32\cmd.exe for shell, etc.
# To view the full config including all defaults and overrides
npm config ls -l
# To view the active config for the specified environment
npm config list -L {global,user,project}
Maybe I was just confused, but to me it seemed, from what the configs show/say, that setting prefix= in my user config would override even local installs. (The project-specific ones where you npm install without --global, directly into a node_modules subdir of the current dir.) But after testing, happily I can report that's not the case, so it's safe to override the builtin prefix= from your $HOME/.npmrc.
Whether or not you move the cache= or let it stay at C:\Users\<you>\AppData\Local\npm-cache\ is your call. I'm sure it'll work that way. (Well, maybe not from an MSYS shell, but from MinGW it should be fine.)
There are minor differences I haven't overcome, but the only one that comes to mind right now is:
npm help <command> opens a browser window to HTML documentation, instead of displaying man page content directly in the terminal like it does on Linux. (Makes sense, as I don't think the manpages are even installed on Windows. Still disconcerting, though.)
You can simply install nvm, then install nodejs through there. In your MSYS2 shell just run the following to download and install nvm. Its better to go directly here and copy the download commands as the version numbers will change in the url.
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.2/install.sh | bash
or
wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.2/install.sh | bash
then run the following to setup nvm on your bash path:
export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm
After running those commands you can use nvm install 16 or whatever node major version number you want. Type just nvm to get a list of available commands.

Why isn't Node Version Manager (NVM) recognized on Windows?

I am trying to downgrade my version of node
I ran:
npm install nvm
and I exported the bin folder to my Windows path variable,
C:\Program Files (x86)\nodejs\node_modules\npm\bin
but I still get:
'nvm' is not recognized as a an internal or external command.
Should I be adding another path to my path variable?
nvm was designed for Linux. nvmw, which is completely different, broke around node v0.10.30. Try NVM for Windows.
NVM can be used to manage various node version :
Step1: Download
NVM for Windows
Step2: Choose nvm-setup.zip
Step3: Unzip & click on installer.
Step4: Check if nvm properly installed, In new command prompt type nvm
Step5: Install node js using nvm :
nvm install <version> : The version can be a node.js version or "latest" for the latest stable version
Step6: check node version - node -v
Step7(Optional)If you want to install another version of node js - Use STEP 5 with different version.
Step8: Check list node js version - nvm list
Step9: If you want to use specific node version do - nvm use <version>
NVM Installation & usage on Windows
Below are the steps for NVM Installation on Windows:
NVM stands for node version manager, which will help to switch between node versions while also allowing to work with multiple npm versions.
Install nvm setup.
Use command nvm list to check list of installed node versions.
Example: Type nvm use 6.9.3 to switch versions.
For more info
As an node manager alternative you can use Volta from LinkedIn.
I created a universal nvm that works on both Unix (bash) and Windows, base on another simple nvm.
It doesn't need admin on Windows, but requires PowerShell 4+ and the right to execute scripts.
https://www.npmjs.com/package/#jchip/nvm#installation
The first thing that we need to do is install NVM.
Uninstall existing version of node since we won’t be using it anymore
Delete any existing nodejs installation directories. e.g. “C:\Program Files\nodejs”) that might remain. NVM’s generated symlink will not overwrite an existing (even empty) installation directory.
Delete the npm install directory at C:\Users[Your User]\AppData\Roaming\npm
We are now ready to install nvm. Download the installer from https://github.com/coreybutler/nvm/releases
To upgrade, run the new installer. It will safely overwrite the files it needs to update without touching your node.js installations. Make sure you use the same installation and symlink folder. If you originally installed to the default locations, you just need to click “next” on each window until it finishes.
Credits
Directly copied from : https://digitaldrummerj.me/windows-running-multiple-versions-of-node/
I will list two ways. You can choose one Whichever works for you.
1. Using installer
Download nvm-setup.zip and unzip the file and install it, keeping the configurations default.
1. Use curl
Copy the below command and run it in your terminal
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.37.2/install.sh | bash
After this reopen/open terminal and check the nvm version runing below command.
nvm -v
And that's it.
If someone is looking for install on Window 11! Not directly relevant here, but might be useful.
It is immaterial if you install NVM (version 1.1.9.) say after the node (16.15.1) is already installed. During the nvm installation process, it asks for the right to manage the existing node version and symlinks that.
Get the version from the GitHub repo, I opted for the zip version.
https://github.com/coreybutler/nvm-windows/releases
Double click the application and it is just a few steps.
1.downlad nvm
2.install chocolatey
3.change C:\Program Files\node to C:\Program Files\nodejsx
emphasized textThe first thing that we need to do is install NVM.
website :
https://learn.microsoft.com/en-us/windows/nodejs/setup-on-windows
So this answer is for windows users that are using git bash or some other console emulator like cmder ... if you're using CMD this solution will not work for you also why? why are you still using CMD?
I know this is a pretty old post but I just achieved this yesterday and wanted to add my answer for anyone looking to do the same.
First check if you have .bashrc profile in your home directory by typing ls -alh ~ (by default this doesn't exist)
if it doesn't exist type this command to generate a .bashrc profile with default values in it cat /etc/bash.bashrc > ~/.bashrc (if it does exist skip this step)
Download and run the nvm install script as provided in the nvm docs page curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash (make sure you do this in your home directory)
then edit the new generated .bashrc profile file you created above; use nano/vim to do that nano ~/.bashrc and add the following to the bottom of the file export NVM_DIR="$HOME/.nvm" [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm and save your .bashrc file with the changes.
lastly source your .bashrc file by typing source ~/.bashrc
verify installation nvm --version
and now you have nvm installed and you can use the commands as per https://github.com/nvm-sh/nvm#usage
First off, I use nvm on linux machine.
When looking at the documentation for nvm at https://www.npmjs.org/package/nvm, it recommendations that you install nvm globally using the -g switch.
npm install -g nvm
Also there is a . in the path variable that they recommend.
export PATH=./node_modules/.bin:$PATH
so maybe your path should be
C:\Program Files (x86)\nodejs\node_modules\npm\\.bin
An alternative to nvm-windows, which is mentioned in other answers would be Nodist.
I've had some issues with nvm-windows and admin privileges, which Nodist doesn't seem to have.
I know I'm late here but this may help in the future if someone looking for NVM to install in Windows or linux
run this command in cmd
$ curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash

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