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Lab Activity

Manage Containers with Quadlets

Learn how to manage Podman containers using Quadlets and systemd in RHEL 10, including container deployment, networking, storage, and service automation.

Overview

Container management has become an essential skill for modern Linux administrators, especially in Red Hat Enterprise Linux environments. In this lab, you will learn how to manage containers using Podman Quadlets, the systemd-native approach for running and controlling containers in RHEL 10. Quadlets simplify container management by allowing administrators to define containers, volumes, and networks using lightweight configuration files. These files are automatically converted into systemd services, making container deployment easier, more reliable, and fully integrated with the Linux service management framework.

In This Lab, You’ll Learn How To

  • Install and verify Podman on a RHEL system
  • Create and manage Quadlet .container files
  • Pull container images from container registries
  • Run containers as systemd-managed services
  • Create Quadlet-managed volumes for persistent storage
  • Configure custom Podman networks using .network files
  • Reload systemd and manage container services
  • Start, stop, inspect, and verify running containers

Understanding Podman Quadlets

Podman Quadlets are a modern way to manage containers directly through systemd. Instead of manually creating service files or using older container management methods, administrators can define container settings using simple configuration files such as .container, .volume, and .network. When systemd reloads, Quadlets automatically generate the required service units, allowing containers to behave like native Linux services. This provides easier automation, improved reliability, and better integration with enterprise Linux environments.

Key Features of Podman Quadlets

  • Native integration with systemd services
  • Simplified container deployment and management
  • Automatic generation of service units
  • Support for custom storage volumes and networks
  • Easy service startup and restart management
  • Recommended container management method in RHEL 10

Command Examples

  • Install Podman and verify the version:
yum install podman -y
podman --version
  • Pull the Apache HTTPD container image:
podman pull docker.io/library/httpd
  • Reload systemd to process Quadlet files:
systemctl daemon-reload
  • Start the Quadlet-managed container service:
systemctl start myhttpd.service
  • Verify running containers:
podman ps

Learning Outcomes

  • Understand Quadlet-based container management
  • Manage containers as systemd services
  • Configure container storage and networking
  • Automate container startup and management
  • Develop practical RHCSA-level container administration skills

Conclusion

Completing this lab will help you gain hands-on experience with Podman Quadlets and systemd-managed containers in Red Hat Enterprise Linux. You will learn how to simplify container deployment, automate service management, and manage container resources using modern RHEL administration practices. These skills are valuable for RHCSAv10 preparation and for managing containerized workloads in enterprise Linux environments.

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