Tien Do
Tien Do's Tech Blog

Tien Do's Tech Blog

Google Cloud VPS - Free $300 Credit - update 2021

Google Cloud VPS - Free $300 Credit - update 2021

1. Create VPS with Google Cloud

You can create your own web server from Google with Google Cloud. Right now Google gives you free $300 credit, which you can use for Google services. In this article, I will tell you how to create a free VPS with Google Cloud and connect to it from your PC/Laptop through SSH.

In order to receive $300 gift balance, you need to start a Google Cloud trial: https://cloud.google.com/

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You need to verify your payment with your credit card. (Be sure that there are at least $1 on your credit card)

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After verifying the payment, choose "Go to Compute Engine" and then Active trial Status on the top right

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Activating trial lets you use all Google services with free $300 in balance in 90 days. After 90 days, Google will deduct directly from your credit card. To start using VPS, you need to "Create instance"

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Choose VPS specs (vCPU, Memory, Disk space) as you need (pay attention to the monthly estimate - all you have is $300 for 3 months - that means the monthly estimate should be around $100 or less). You can choose to allow HTTP and HTTPS traffic if you need. This time, Ubuntu 18.04 LTS was chosen for example.

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It takes about 30 seconds to create your Virtual Machine. After successfully creating VM, you will see a status page as below where you can see Internal and External IP (Write down this External Ip address for later connection)

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You can choose SSH to start using the terminal console of your VM.

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2. Connect to VM via SSH

This part will show you how to generate an ssh pair key (private key and public key) on Linux or MacOs.

Open a terminal and use ssh-keygen to generate a new key. Specify the -C option to add a comment for your username.

ssh-keygen -t rsa -C [USERNAME]

In my case it was:

ssh-keygen -t rsa -C tienthanhapp278@gmail.com

Then navigate into .ssh directory and restrict access to the private key so that only you can read it and no one can write to it.

cd ~/.ssh
chmod 400 id_rsa

Open key file .pub, which was generated above, or use the cat command to read it:

cat ~/.ssh/id_rsa.pub

The public SSH key should be of this format:

ssh-rsa [KEY_VALUE] [USERNAME]

In my case it was:

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzQhq2ZNdqJQ4q5aAVxC+fzehmwHx07b5PHMTp1BXhjmXSnCgDOFnKvjOH+HDAmBJtceQQrswboJSnu4DtDL19g2Q8ihOm509Pm4icyDHpZqU6F7PYJoKFeaYDF6NdMi4pP7PBBKpiLRrxq7nmU4/FaoR8N9F9C3EIlqnxIp+bQWJZ+aYGfSoT6EAJaxwTjcJPgH93BbaIvSqjlBph8BqFo/8fJzcUY+w0AxBkNtCXN7o7mCBsiOmx6VMBfxehWsr3j7r9q7C4WIGwOiv7Iz0xQPTd/W9Si8agMYxTD+Uy4KwM0kX64JOQPYH9ItRyGAlwRzp1TImFxnFSy+fSkU73

Copy the public key and save it to the SSH tab under the Metadata section

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Click save and from now on you can ssh to VPS with the above ssh key.

ssh [Username]@[External IP]

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That's it! Now you can connect to your VPS without signing in to Google Cloud platform.

 
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