See the solution below in Explanation.
Explanation:
Task 2: Create a Compute Instance and Install the Web Server
Step 1: Create the Compute Instance
* Log in to the OCI Console.
* Navigate toCompute>Instances.
* ClickCreate Instance.
* Enter the following details:
* Name: PBT-CERT-VM-01
* Compartment: Select your assigned compartment.
* Placement: Leave as default or select an availability domain (e.g., Availability Domain 1).
* Image: ClickChange Image, selectOracle Linux 8, and confirm.
* Shape: ClickChange Shape, selectVM.Standard.A1.Flex, and configure:
* OCPUs: 1 (or adjust as needed)
* Memory: 6 GB (or adjust as needed)
* Networking:
* Virtual Cloud Network: Select PBT-CERT-VCN-01.
* Subnet: Select Compute-Subnet-PBT-CERT.
* Leave public IP assignment enabled for internet access.
* SSH Key: Provide your public SSH key (upload or paste) for secure access.
* ClickCreateand wait for the instance to be provisioned.
Step 2: Connect to the Compute Instance
* Once the instance is created, note thePublic IP Addressfrom the instance details page.
* Use an SSH client to connect:
* Command: ssh -i <private-key-file> opc@<public-ip-address>
* Replace <private-key-file> with your private key path and <public-ip-address> with the instance' s public IP.
Step 3: Install and Configure Apache Web Server
* Install Apache:
* Run: sudo yum -y install httpd
* Enable and Start Apache:
* Run: sudo systemctl enable httpd
* Run: sudo systemctl restart httpd
* Configure Firewall to Allow HTTP Traffic (Port 80):
* Run: sudo firewall-cmd --permanent --add-port=80/tcp
* Run: sudo firewall-cmd --reload
* Create an index.html File:
* Run: sudo bash -c 'echo "You are visiting Web Server 1" >> /var/www/html/index.html' Step 4: Verify the Configuration
* Open
a web browser and enter http://
<public-ip-address> to ensure the page displays "You are visiting Web Server 1".
* If needed, troubleshoot by checking Apache status: sudo systemctl status httpd.
Step 5: Retrieve and Enter the OCID
* Go to the instance details page for PBT-CERT-VM-01 underCompute>Instances.
* Copy theOCID(a long string starting with ocid1.instance., unique to your tenancy).
* Enter the copied OCID exactly as it appears into the text box provided.
Notes
* These steps are based on OCI Compute documentation and Oracle Linux 8 setup guides.
* Ensure the security list PBT-CERT-CS-SL-01 allows inbound traffic on port 22 (SSH) and port 80 (HTTP) if not already configured.
* The OCID will be unique to your instance; obtain it from the OCI Console after creation