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Rocky Linux 9 lets you choose exact Node.js or PostgreSQL streams via dnf modules. This post shows how to enable a stream, install the package, and verify it, plus key trade‑offs and a quick sanity‑check checklist.
Learn how to enable a CentOS Stream Application Stream (e.g., PHP 8.2) to run a newer package version while keeping the base OS unchanged, with verification and rollback steps.
Learn how to install a supported newer Python interpreter alongside the system default on RHEL 9 using AppStream versioned packages, and understand the trade‑offs.
Learn how to use Rocky Linux’s DNF module system to pick specific application versions, keep your OS stable, and manage side‑by‑side deployments. A step‑by‑step guide with real commands, trade‑offs, and a concrete PostgreSQL example.
centos
redhat