25. What are Solaris and AIX operating systems? Are they available with AWS?
Solaris is an operating system that uses SPARC processor architecture, which is not supported by the public cloud currently.
AIX is an operating system that runs only on Power CPU and not on Intel, which means that you cannot create AIX instances in EC2.
Since both the operating systems have their limitations, they are not currently available with AWS.
26. How do you configure CloudWatch to recover an EC2 instance?
Here’s how you can configure them:
- Create an Alarm using Amazon CloudWatch
- In the Alarm, go to Define Alarm -> Actions tab
- Choose Recover this instance option
27. What are the common types of AMI designs?
There are many types of AMIs, but some of the common AMIs are:
- Fully Baked AMI
- Just Enough Baked AMI (JeOS AMI)
- Hybrid AMI
28. What are Key-Pairs in AWS?
The Key-Pairs are password-protected login credentials for the Virtual Machines that are used to prove our identity while connecting the Amazon EC2 instances. The Key-Pairs are made up of a Private Key and a Public Key which lets us connect to the instances.
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