Learn how to resize an ext4 root partition on a live Linux system without unmounting it. This step-by-step guide walks you through the entire process—from checking the current partition size, resizing the partition, and extending the file system, to confirming the changes. Perfect for advanced Linux users and cloud environments where downtime is not an option. Important: Resizing a root partition carries a risk of data loss. Ensure you have a complete backup or snapshot before proceeding. For more information and detailed steps, visit the article on our website: If you find this tutorial helpful, please like, share, and subscribe for more Linux tips and tutorials!