Installation of Grid/ASM for single instance on cloud:
First open the browser any browser and type oracle cloud.
And sign-in your Oracle cloud
And select the three-line bar beside Oracle cloud.
And Select the option of Bare metal and VM and Exa data
After selecting that the next step is select Create DB system
1. Select a compartment name which is you want to provide
Name your DB system which is you want to provide
Select an availability domain
Select a shape type which is virtual machine
Select a shape vm standard 2.2 2 Available Core Count, 1 Node Count which are basic if you want u can change
2. Configure DB system
Select the Total node count 1.
Select the Oracle database Enterprise edition.
Select the Oracle Grid Infrastructure.
3. Configure Storage
Select same as the given for free tier if you want you can
4. Add SSH keys
First generate the SSH keys like private and public key and download the key
Second upload SSH public keys in pub format which is given in above image
5. Choose a license type
Bring your own license
6. Specify the Network information
7. Give hostname, Domain hostname, Host and Domain url
Private ip address is optional. If you want u can provide other wise leave it as optional
8. Provide information for initial Database
9. Create Administrator Credentials
Set the password between that characters only. Given above information about character
10. Select workload type
Select Transactional processing
And enabling database backups is optional if you want you can choose otherwise leave it
Press Create DB system
And done installation