By default, Docker containers can use unlimited disk space, risking performance issues and host failures. The storage-opt option allows enforcing per-container storage limits, but it requires the overlay2 driver with XFS project quotas enabled. This guide shows how to configure a dedicated XFS volume, update mount options with pquota, and set storage limits during container creation. You’ll also learn how to validate limits inside containers and monitor quotas at the Linux level. With this setup, you can prevent rogue containers from filling disks and ensure stable, reliable Docker hosts.

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Tired of struggling with complex software setups due to dependency conflicts? Discover the power of Docker and learn how to install Docker effortlessly on your Ubuntu system. This comprehensive guide walks you through all three official installation methods — apt repository, manual packages, and convenience script - while explaining which approach is best for production or testing. Whether you’re a developer, system administrator, or curious beginner, this blog gives you everything you need to get started with containerized applications. Let’s simplify your software deployment and unleash the full potential of Docker on Ubuntu!

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