CentOS upgrade, install, and RPMs
CentOS 7 to CentOS 8 Upgrade Guide Exalting CentOS 7 to CentOS 8 **in-place** is not supported officially due to distinctions between the two versions. CentOS 8 uses `dnf` (instead of `yum`) and comes with various changes to its libraries and structure. However, if you need to upgrade, follow these general steps to perform a fresh installation while maintaining backups: 1. Back Up Important Data: Always back up important data, configuration files, and databases. - Use tools like `rsync` or create a snapshot if you're on a virtual machine. 2. Install CentOS 8 Fresh: Download CentOS 8 ISO from the official site and perform a fresh installation. - Download link: [https://www.centos.org/download/](https://www.centos.org/download/) 3. Reconfigure and Restore Backups: - After installation, reinstall the necessary packages and restore your data from backup. While there are scripts like `Leapp`, they are experimental and not recommended for production sy...