Prime Techie

How to Install Tiger VNC server GUI in oracle cloud Linux?


This tutorial will see how to install a Graphical user interface for Linux and access the cloud Linux from our PC.

Connect the Linux instance using the PUTTY server and login into the terminal.

After login, We will install the required software using the Linux terminal.

First, We need to install “Server With GUI” using sudo command.

> sudo yum groups install “Server With GUI”

It might take some time to install all required packages.

We need to install tigervnc-server using sudo command once “Server With GUI” installation is completed.

>sudo yum install tigervnc-server

We need to start the vncserver after the installation is completed.


We need to set the password for vncserver. We will use this password to login using the vnc client on our PC.

 For the view-only password prompt, select ‘No’.

 Now vnc server is ready. In our following tutorial, we will see how to connect to this vnc server using the VNC client.

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Prime Techie

How to create Linux instance using Oracle cloud server?

In this tutorial, We will see how to create a Linux instance using oracle free cloud infrastructure.

First, we need to create a public key and private keys using Putty key generator. Public key is used while creating the Linux instance.

Private key is used to connect the Linux instance using any SSH client.

Install Putty keygen using this link.

Step 1: Open Putty KeyGen and click generate button.

Step 2: Once the key generated, copy the key to a text file and save the text file as  .pub extension. This .pub ( Public key) is used while creating the Linux instance.

Step 3: Next, we need to save the private key as below. Enter the key phrase and confirm the key phrase again. Note down this key phrase somewhere. Later this key phrase is used along with private key (.ppk) to access the linux instance using any SSH client.

Step 4: Log in to your oracle cloud instance. Oracle cloud dashboard will look like below. Click the 'Create VM instance' menu.

Step 5: Below screen will be loaded after clicking 'Create VM instance'.

Step 6: We need to use the public key we created in Step 2. Click the create button after loading the public key.

Step 7:  Once the Linux instance created, verify whether it's running as below. It may take a few minutes. Copy the public IP and use it to connect to the SSH client.

Step 8: Open the Putty SSH client. In the Host Name box, Paste the copied IP address in Step 7.

Step 9: Load the private key created in Step 3 using the below option.

Step 10: Click the Open button after the above step. You can see the below screen. Click Yes in the alert.

Step 11:  Use the key phrase we noted in Step 3 and click enter.

That's all we need to do. You will be connected to Linux terminal.

Please click and subscribe to the below channel to see this tutorial in video format.

Click this link for youtube video tutorial.

Please post your questions in the comment section.

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Prime Techie

Want to get lifetime free virtual ubuntu cloud server? Read this..

Recently Oracle Cloud services introduced an excellent offer to grant free virtual cloud ubuntu servers and good deal of other services free for life.

This arrangement is much better matched to AWS and Azure cloud services.

This is an exceptional offer.👍

In AWS and Azure cloud instances are free only for 365 days.

But oracle cloud provides the oracle cloud ubuntu servers free for lifetime.

Not only free virtual ubuntu cloud server. But we have other useful lifetime free services.

These free services are enough to run complete website / web-application for small business or our hobby projects for students and freelancers.

Below is the list of services available in Oracle cloud which is completely free for lifetime.

  • 2 free ubuntu compute instances with ubuntu [Yes. You read it right. Two free instances]
  • 2 Database instances 20GB each [Vs Single 20 GB database in AWS]
  • 100 GB block volume [Vs 30 GB block volume in AWS]
  • 10 GB Object storage [Vs 5 GB Object storage in AWS]
  • Load balancing
  • Notifications
  • Logging analytics

Also, We can use Oracle Linux and CentOS Linux in the compute instances.

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