Nodejs

Node.js

Execute script

node <script file>

NPM

Node Package Manager

Commands

npm list        # Show packages in local path
npm list -g     # Show global packages
npm list -g -p      # Show global packages, parseble list

npm view <package>

npm install <package>[@<version>]
npm uninstall <package>[@<version>]
npm rm <package>

npm search <something>

npm link <package>    # Link global package into user env
npm unlink <package>

npm link        # Link package into global env (when in package dir)
npm unlink

Development

npm init        # Create new package

npm publish
npm unpublish <package>

npm adduser

npm owner add <user> <package>
npm owner rm <user> <package>
npm owner ls <package>

npm start       # Start an app

Misc:

• NPM global vs locally installed modules

n Commands

Node Version Manager

npm install n

n help
n ls
n <version>       # Install version
n use <version>
n bin <version>   # Print bin path
n rm <version>
n --latest      # Print latest version
n --stable      # Print latest stable

PM2 Commands

PM2 Process Manager

pm2 log
pm2 flush

pm2 list
pm2 kill
pm2 <start|stop|restart|reload> <all|id|app_name>
pm2 describe <id>
pm2 monit

pm2 prettylist    # For complete JSON process infos including
                  # memory, CPU, restart, latency metrics

Install PM2 as Systemd service:

sudo pm2 startup systemd

Monitoring

• Etsy Statsd

Node.js Enterprise Support

• Running Node.js at enterprise level (slides, PDF)

Node.js with self-signed certs

Accept self-signed certs: set env variable

export NODE_TLS_REJECT_UNAUTHORIZED=0

or in your code set

process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";