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Developer tools · #rockylinux
Step-by-step diagnostic guide for firewalld start failures on Rocky Linux 9, covering XML syntax errors, legacy service conflicts, permission issues, missing zones, and kernel module mismatches with concrete commands and verification steps.
Rocky Linux defaults to XFS on LVM — great for online growth and parallel I/O, but shrinking is impossible. Here's how to plan around that one-way door and grow volumes live.
Step‑by‑step diagnostic guide for common DNF module stream errors on Rocky Linux 9, with checks, fixes, rollback steps, and verification tips.
A practical guide to configuring and verifying DNF GPG signature enforcement and metadata expiration in Rocky Linux 8 and 9, with concrete commands, security considerations, and recovery steps for common failures.
Guide to choosing a PostgreSQL module stream in Rocky Linux 9, comparing the default postgresql:13 and postgresql:15 streams, with steps to enable and verify PostgreSQL 15.
Learn how to install PostgreSQL 13 or 15 on Rocky Linux 9 using DNF module streams, switch between them, and validate the active version—all with a step‑by‑step guide and recovery tips.
Rocky Linux's Peridot build system replaces CBS with a pluggable Go pipeline that enforces reproducible builds via signed BuildSet manifests, modular composes, and automatic SPDX SBOMs — enabling a 24-hour security-update SLA through gated promotions.
Atomic upgrades on Rocky Linux keep your servers safe by creating bootable snapshots. Follow this step‑by‑step guide to upgrade, verify, and roll back with rpm‑ostree.
Learn when and how to enable the Rocky Linux Plus repository to get newer kernel, systemd, or Python packages while staying within support limits.