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OpenStack – Deploying the first compute instance
- To create the first compute instance in OpenStack, preparation is needed, including defining flavors for instance metrics like CPU, memory, and disk.
- Flavors in OpenStack define base metrics for instances to be launched, similar to AWS EC2 instance types.
- You can create flavors either through the command line or the Horizon dashboard.
- Creating a small flavor 'm1.nano' for the 'CirrOS' image involves setting vCPUs, RAM, and disk size.
- Setting up an SSH keypair and security groups to allow access over SSH and ping is essential.
- Deploying the first instance in OpenStack involves specifying flavor, image, network, SSH key, security group, and instance name.
- You can monitor the instance creation event and check its status through commands like 'openstack server event list/show'.
- Accessing the deployed instance using SSH and testing connectivity to the internet are crucial steps.
- The article concludes by emphasizing readiness to utilize the instance for various purposes and hints at possible next steps like adding storage components.
- Overall, the article provides a detailed guide on deploying the first compute instance in OpenStack with necessary configurations and steps involved.
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