PM2 for process management in Node.js - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start an app with PM2.

Node.js

pm2 [1] app.js

Drag options to blanks, or click blank then click option'

Alaunch

Brun

Cexecute

Dstart

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'run' or 'launch' instead of 'start' causes errors.

Use start to launch an app with PM2.

2fill in blank

medium

Complete the code to list all running PM2 processes.

Node.js

pm2 [1]

Drag options to blanks, or click blank then click option'

Astatus

Bshow

Clist

Dinfo

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'show' or 'info' instead of 'list' does not display all processes.

The list command shows all running PM2 processes.

3fill in blank

hard

Fix the error in the command to restart a process by name.

Node.js

pm2 [1] myApp

Drag options to blanks, or click blank then click option'

Areload

Brestart

Creset

Drefresh

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'reload' or 'reset' instead of 'restart' causes unexpected behavior.

Use restart to restart a process by name in PM2.

4fill in blank

hard

Fill both blanks to stop and delete a PM2 process by id.

Node.js

pm2 [1] [2] && pm2 delete [2]

Drag options to blanks, or click blank then click option'

Astop

Brestart

C2

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'restart' instead of 'stop' or wrong process id causes failure.

Use stop and the process id (e.g., 2) to stop and delete a process.

5fill in blank

hard

Fill all three blanks to save the current PM2 process list and setup startup script.

Node.js

pm2 [1] && pm2 [2] && pm2 [3]

Drag options to blanks, or click blank then click option'

Asave

Bstartup

Clist

Dreload

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing command order or using wrong commands causes startup issues.

Use save to save the current process list, startup to generate startup script, and save again to populate the startup script with saved processes.