If you not familiar with Oracle Cloud, want to try it and need an easy steps to configure it..! Please find the details. Here I will provide the easy step by step approach to have your free Oracle Cloud account with your first Virtual Machine Running..

STEP 1 : Signup Oracle Cloud

www.google.com -> “Oracle free Cloud ” > Try Oracle Cloud Free Tier

Provide the Account Information, Here i have selected Cloud region India West (Mumbai)

Do the Mobile verification, you will receive verification code on the mobile number provided

For free account you need to provide credit card details and validate, initially 1 USD will be charged which will then reverse back to the account. So No Worries 😀

STEP 2 : Login to oracle cloud account

STEP 3 : Create a Virtual Cloud Network (VCN)

Use the top-left menu to “Networking > Virtual Cloud Networks” option.

For CIDR block here i given 192.168.1.0/24, Which means i can use private IP range between 192.168.1.1- 192.168.1.254, You can use http://www.subnet-calculator.com/ to calculate yours

STEP 3 : CONFIGURE INTERNET GATEWAY

Click on Internet Gatewaty > Create Internet Gateway on current VCN page(Virtual Cloud Network)

STEP 4 – ADD ROUTE TABLE

On VCN page Click on Route Tables > select Default route table Default Route Table for MITVCN

STEP 5 – ADD SECURITY LIST

Check Your PUBLIC IP on google and White list your Public IP address to access the Cloud VM that you will be creating on Cloud from your PC.

Click on VCN (MITVCN) > Subnet (MITVCNsubnet) > Security List(Default Security List for MITVCN)

Now my IP has been whitelisted, I will now be able access to access VM from the PC once VM’s are created. Since public IP is dynamic, changes when i take my laptop to office and home, so to access VM will check the current IP of the system and update in the security list. Click on the three dots to edit and update in future.

STEP 6 – CREATION VIRTUAL MACHINE

Now will create Oracle Linux 8 Virtual machine

STEP 7 – ACCESS VIRTUAL MACHINE

I have installed OPENSSH on my windows machine, will be accessing the VM created on cloud from the windows command prompt

https://docs.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse

Below details are required to access

Private.ppk Private key generated during instance creation time
OPC- Linux OS USer
152.*.*.112 – Pulic IP IP Address of Virtual Machine –

C:\oracleprolab>ssh -i “C:\Users\madhavadas\OneDrive\DBA_Dubai\AA_Learns\oracleprolab\oci\Private.ppk” opc@152.*.*.112

Login as root user and check

BONUS – Create Block Volume and attach to the Instance created

Oracle is providing some block volume storage for free which can be used, Here we will create a block volume and attach it to the VM instance we have just created above .

Click on the top-left menu >”Block Storage > Block Volumes

Mount the Block Volume to VM

Click on Top Menu > Compute > Instances > (click on the Instance to add vol ) oracleprolab1 > (On Resources Click) Attached Block Volumes > Attach Block Volume

FORMAT AND USE THE VOL

fdisk -l
fdisk /dev/sdb
fdisk -l /dev/sdb1
mkfs.ext4 /dev/sdb1
mkdir /backup
mount /dev/sdb1 /backup/
df -h

Creating a large file on a Linux using fallocate command and test