Book Image

Oracle Linux Cookbook

By : Erik Benner, Erik B. Thomsen, Jonathan Spindel
Book Image

Oracle Linux Cookbook

By: Erik Benner, Erik B. Thomsen, Jonathan Spindel

Overview of this book

Discover the power of Oracle Linux 8, the free and enterprise-grade Linux distribution designed for use in any environment, with this recipe-style book. Starting with instructions on how to obtain Oracle Linux for both X86 and ARM-based platforms, this book walks you through various installation methods, from running it as a Windows service to installing it on a Raspberry Pi. It unravels advanced topics such as system upgrades using Leapp for major version transitions and using a PXE server and kickstart files for more advanced installations. The book then delves into swapping kernels to take advantage of Oracle’s UEK, exploring boot options, managing software with DNF, and achieving high availability. Detailed recipes involving security topics will assist with tasks such as data encryption, both at rest and in motion. For developers, it offers guidance on building RPM files, using Docker and Podman in a containerized environment, working with AppStreams, and more. For large-scale deployments, the book introduces Oracle Linux Automation Manager for enterprise-level Ansible utilization, from setting up the Ansible server to basic playbook writing. Finally, you’ll discover strategies for cloud migration. By the end of this book, you’ll possess a comprehensive toolkit that will elevate your skills as a Linux administrator.
Table of Contents (16 chapters)

Making Docker Desktop more manageable with Portainer

Portainer is a container management platform, as mentioned in the introduction to this chapter. Portainer was originally designed as a UI for Docker, but now it supports several other container environments as well. With over 1 million users and a significant presence on GitHub, Portainer offers two versions: the free and open source Community Edition (CE) and a paid Enterprise Edition (EE). In this recipe, we will be working with the free and open source version.

If you prefer managing your containers through a GUI, Portainer is an excellent option. While CLI commands and API endpoints are great for development, a GUI is often more user-friendly for managing production applications. With Portainer, you can easily monitor multiple endpoints and grant team members access to a shared deployment environment. The following figure shows how Portainer and the container images align with Docker, and how Portainer makes managing images...