Tag: node.js

Install Yarn Package Manager
Yarn is a package manager for JavaScript like npm. It is commonly used for managing dependencies for Node.js applications, but it can also be used for front-end development with frameworks like Rmeact, Angular, and Vue.js.

To install the Yarn package manager on ubuntu, run:
```
curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor | sudo tee /usr/share/keyrings/yarnkey.gpg >/dev/null
echo "deb [signed-by=/usr/share/keyrings/yarnkey.gpg] https://dl.yarnpkg.com/debian stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt-get update && sudo apt-get install yarn
```
Back to Node.js
March 17, 2024
Installing nvm (Node.js Version Manager)
nvm is a node version manager, which allows you to run multiple versions of node.js

To install nvm, run
```
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash
```
To list all available node versions, run
```
nvm ls-remote
```
To install a particular node.js version, run
```
nvm install 8.9.4
```
To activate/select a node.js version, use
```
nvm use 8.9.4
```
To set default node,.js version, run
```
nvm alias default 18.20.4
```
to list all installed node.js versions
```
nvm ls
```
The versions with N/A are not installed.

nodejs
February 22, 2018
pm2 process manager for node.js
Auto Start pm2 on boot
How to host static site using pm2

pm2 is a process manager for node.js applications. It is similar to forever.

http://pm2.keymetrics.io

First you need to install npm, on Ubuntu/Debian, run
```
apt install npm
```
To install pm2, run
```
npm install pm2 -g
```
Start an Application
```
pm2 start app.js
```
Start an Application with name
```
pm2 start app.js -n "app-name-here"
```
Start npm
```
pm2 start npm --name my-app -- run start
```
Start the Application in Cluster mode with
```
pm2 start app.js -n "app-name-here" -i 5
```
To Scale a clustered application, run
```
pm2 scale app-name-here 2
```
Start the processes on reboot
```
pm2 save
pm2 startup
```
List running applications
```
pm2 ls
```
Controlling running application
```
pm2 stop    
pm2 restart 
pm2 delete
```
Restart all running applications
```
pm2 restart all
```
nodejs
February 21, 2018