ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
Developer tools · #redhat
Learn how to use Red Hat Insights Remediation to automate RHEL vulnerability management using generated Ansible playbooks.
A technical guide for RHEL engineers deciding between Docker and Podman, focusing on daemonless architecture, rootless security, and systemd integration.
Learn how to use RHEL Logical Volume Management (LVM) to expand storage online. This guide covers PV, VG, and LV configuration with specific commands for XFS and EXT4 filesystems.
Learn how to use RHEL LVM snapshots for point-in-time backups. This guide covers the Copy-on-Write mechanism, implementation steps, and how to avoid snapshot exhaustion.
Guidance on requirements, minimal design, trust boundaries, operational checks, failure scenarios and rollback when enabling Istio‑based mTLS in OpenShift Service Mesh.
Use the Red Hat Enterprise Linux System Roles network role to create an active‑backup bond with Ansible, see the example playbook, limits, and verification steps.
Deploy Red Hat OpenShift Service Mesh using sidecar injection to secure, observe, and make microservices resilient. This architecture note covers requirements, design, trust boundaries, operational checks, failure modes, and when to change the design.
Guide to selecting OpenShift SDN or OVN‑Kubernetes CNI for an OCP cluster, covering constraints, a feature table, trade‑offs, installation/migration steps, and validation commands.
Goal To maintain a strict least‑privilege posture, an OpenShift cluster must ensure that once a user’s identity provider credentials are revoked or disabled, no active OAuth session or service‑account token remains usable beyond the configured token lifetime. Constraints OpenShift’s OAuth configuration exposes accessTokenMaxAgeSeconds (default 86400 s) to go
ansible
podman