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In this guide, we cover the steps to set up Ansible and Zookeeper on Vagrant VMs. We update package lists, install necessary software, create directories, set up Java, download and configure Zookeeper, configure Vagrant VMs, set up SSH access, create an Ansible inventory, and test the setup with Ansible commands. Each command is explained with examples to ensure clarity.
This guide provides a step-by-step process to set up two Vagrant machines and install Nagios, a monitoring system, on Ubuntu. It includes detailed explanations of command prompt instructions and covers system updates, software installation, Nagios configuration, and accessing the Nagios web interface.
In this guide, we have covered basic Kubernetes commands for managing deployments, updating images, rolling back deployments, and viewing resources. We also explored how to configure an EKS cluster and set up Role-Based Access Control (RBAC) to secure your cluster. By understanding these concepts and commands, you will be well-equipped to manage and maintain Kubernetes clusters in a production environment.
This guide covers the essential aspects of DevOps, from foundational principles to advanced Kubernetes commands and configurations. By understanding and utilizing these concepts and tools, IT professionals can significantly enhance their DevOps practices, leading to more efficient, reliable, and secure software delivery processes.
By following this guide, you have now expanded your EKS cluster management to include a production namespace and configured IAM and RBAC to securely manage user access. This setup ensures that your production environment is well-isolated and that users have the appropriate level of access based on their roles. Understanding and implementing these configurations is crucial for maintaining a secure and efficient Kubernetes environment.