PM2 for process management in Express - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start an Express app using PM2.

Express

pm2 [1] app.js

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

Alaunch

Brun

Cstart

Dexecute

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'run' or 'launch' instead of 'start' causes PM2 to fail.

Use pm2 start to launch your app with PM2.

2fill in blank

medium

Complete the code to list all running processes managed by PM2.

Express

pm2 [1]

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

Alist

Bshow

Cstatus

Dinfo

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'show' or 'info' does not list all processes.

pm2 list shows all running processes managed by PM2.

3fill in blank

hard

Fix the error in the command to restart a process named 'server'.

Express

pm2 [1] server

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

Arestart

Breload

Creset

Drefresh

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'reload' or 'reset' does not restart the process correctly.

Use pm2 restart to restart a process by name.

4fill in blank

hard

Fill both blanks to stop and delete a process with id 3.

Express

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

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

Astop

Bdelete

Ckill

Dremove

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'kill' or 'remove' instead of 'stop' or 'delete' causes errors.

First stop the process with pm2 stop, then remove it with pm2 delete.

5fill in blank

hard

Fill all three blanks to save the current PM2 process list and configure it to start on boot.

Express

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 up 'list' or missing 'save' causes processes not to restart on boot.

Use pm2 save to save the process list, pm2 startup to generate startup script, and pm2 save again to persist the list for boot.