Node.js API Masterclass with Express and MongoDB - Digital Ocean Droplet & Server Log In

This video tutorial guides users through setting up a Linux server on Digital Ocean using a referral link for free credits. It covers creating a droplet, generating SSH keys for secure login, and logging into the server. The tutorial also provides troubleshooting tips for SSH login issues and prepares users for the next steps of installing Node.js and deploying an app.

What is the main benefit of using the referral link provided in the tutorial?

• It extends the trial period by a month.

• It provides a discount on future purchases.

• It offers $10 free credit for Digital Ocean.

• It allows access to premium features.

What is a 'droplet' in the context of Digital Ocean?

• A type of cloud storage.

• A virtual private network.

• A Linux server instance.

• A data backup service.

Why is SSH preferred over a password for authentication?

• It allows multiple users.

• It is easier to remember.

• It is more secure.

• It is faster to set up.

Where are SSH keys typically saved on a local machine?

• In the Documents folder.

• In the Downloads folder.

• In the SSH directory within the home directory.

• In the Applications folder.

What command is used to generate SSH keys?

• ssh-config

• ssh-keygen

• ssh-add

• ssh-copy-id

What should you do if you encounter a 'public key denied' error?

• Restart the server.

• Re-generate the SSH keys.

• Check the internet connection.

• Use the 'ssh-add' command with the private key location.

What is the next step after successfully logging into the server?

• Set up a new droplet.

• Change the server's IP address.

• Create a new SSH key.

• Install Node.js on the server.