migration

Migrating your filesystems between different drives or servers can seem daunting, especially when you're managing critical data and server uptime. Fortunately, with Linux's powerful command-line tools, this process can be streamlined and secured, ensuring minimal downtime and maximum reliability. Here’s your comprehensive guide to migrating filesystems using some of the best practices in Bash. Before diving into the technicalities, let’s understand why one might need to migrate filesystems: Hardware Upgrades: Replacing old disks with newer, faster, or larger ones. Performance Optimization: Distributing load across multiple devices. Data Redundancy: Enhancing data backup strategies and disaster recovery.

As the Linux world evolves, so do its tools. A notable change in recent years is the transition from the YUM (Yellowdog Updater Modified) to DNF (Dandified YUM) package manager in Fedora-based systems. This switch isn't just about a change in name; DNF offers improvements in speed, efficiency, and configuration readability over its predecessor. In this guide, we'll explore how to switch from YUM to DNF on older systems and give you a brief primer on other package managers like APT and Zypper. Before diving into the transition process, let’s quickly differentiate between YUM and DNF: YUM: Traditionally used in older Red Hat-based systems (like CentOS and RHEL 7 and below), YUM relies on Python 2.7.