Creating Compute Instance in OCI

How to Create Compute Instance in Oracle Cloud Infrastructure(OCI)


First , lets login to oracle cloud

www.oracle.com/cloud

Provide cloud account name and user id & password to authenticate.

Step:-1 

To create a new compute instance,  click Compute, then select Instances.



Step 2.

Click on "Create Instance"




Step 3.

In Create Compute Instance page, provide instance name , select the image as per your requirement.



Step 4.

Select Availability Domain and Shape as per your requirement





Step 5.

By clicking on "change shape" we can choose the preferred instance type & shape details which is basically a template with different type of resources (Ocpu, Memory, Network Bandwidth etc) assigned as per  customer's different requirement.




Step 6.

In the networking section , Select the desired compartment where the instance would be created.
Choose a VCN . A VCN must be created before creating an instance.Also choose compartment for subnet.



Step 7.

Next select "Assign a PUBLIC IP Address" if you want OCI to assign a Public IP . For boot volume the default size is 46gb but this can be customized ranging from 50GB to 32TB



Step 8.

Add ssh keys if you already have one. Select a public key or you can create one using puttygen.



Step 9.

Choose a fault domain and create the compute instance.




Step 10.

On instance details screen, we can see different details about the instance such as Public IP ,Private IP, Fault Domain etc.




Step 11.

To login the Instance open putty and choose the ppk to login. 






Step 12. 

Login to the instance using user "opc"




That concludes our compute instance creation in OCI.


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How to upgrade Oracle Database 12c to 19c Manually

Oracle database can be upgraded directly to the new release from the following releases:

  • 11.2.0.4
  • 12.1.0.2
  • 12.2.0.1
  • 18

If your current Oracle Database is a release earlier than 11.2.0.4, then you cannot directly upgrade your Oracle Database to the latest release. In this case, you are required to upgrade to an intermediate release before upgrading to Oracle Database 19c.

There are many methods available for upgrading database to 19c . A few of them are mentioned below:-
  • Database Upgrade Assistant(DBUA)
  • Manual Upgrade
  • Full Transportable Export Import
  • Transportable Tablespace
  • Datapump Export Import

How to Create a Compartment in OCI


What is a Compartment:-

Compartment is a logical collection of related cloud resources. It is used to isolate resources.

Users who have privilege to use the compartment, can only access or manage it.

 

First , lets login to oracle cloud

Oracle Database Upgrade from 12c to 19c using DBUA

Oracle database can be upgraded directly to the new release from the following releases:

  • 11.2.0.4
  • 12.1.0.2
  • 12.2.0.1
  • 18

If your current Oracle Database is a release earlier than 11.2.0.4, then you cannot directly upgrade your Oracle Database
to the latest release. In this case, you are required to upgrade to an intermediate release before upgrading to 
Oracle Database 19c.