Create a virtual machine in Oracle cloud allow you to have a consistent environment where you can test applications, and manage operations. It is the foundation of any system. And with Oracle Cloud it is very easy.
We are going to SSH into our new Linux instance. For that we need public and private SSH key.
If you don't have one, please go ahead and follow the steps on the official documentation:
Oracle Cloud Docs: Connecting to an Instance
Network is the foundation of any cloud resource. They all need to be connected and they live on a Virtual Cloud Network (VCN).
Let's create our VCN
Click in Networking Quickstart button
Select VCN with Internet Connectivity button, then Start Workflow button
Give a VCN Name, VCN CIDR Block and Public and Private Subnet Blocks, then click Next button
Finally, review the information and click Create button
Instantly your Virtual Cloud Network will be available.
Ready to create your new Linux machine in the cloud.
Let's create our Linux machine in Oracle Cloud
Click Create Instance button
Set Name your instance field and make sure you select Virtual Machine Instance Type
In the Configure networking section make sure you select the VCN you created on the previous step and also make sure you select the PUBLIC Subnet. My network is called ukdatamart.
It is very important you select the PUBLIC SUBNET or you won't be able to connect through SSH into your virtual machine.
Time to use your public SSH key. You can either select the file to upload or paste the value selecting PASTE SSH KEYS.
Finally, click in Create button
It will take few seconds, sometimes few minutes to provision the new virtual machine depending on the shape.
Soon you will see the machine provisioned and the Public IP address in the details section.
SSH into the machine:
ssh opc@<public_IP>
Windows users: Download and configure Putty
The connection process will ask you if you want to continue the connection, answer yes if all the information is correct.
If you have your public key in other location than the default one:
ssh -i /path/to/public/key.pem opc@<public_IP>
You should see something like this:
$ ssh opc@<xxx.xxx.xxx.xxx>
The authenticity of host '<xxx.xxx.xxx.xxx> (<xxx.xxx.xxx.xxx>)' can't be established.
ECDSA key fingerprint is SHA256:gI+qhiiJsXikTENrfQsC7pwuCsbbVy7R0LXrqawInLc.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '<xxx.xxx.xxx.xxx>' (ECDSA) to the list of known hosts.
Congratulations! You are ready to go to the next Lab!
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