Enterprise Linux (30)

• Red Hat Customer Portal (Red Hat Customer Portal) reference
  subscriber entry point: knowledgebase solutions, downloads, support cases, subscription management
  Commercial Support Red Hat #
• Experience Red Hat Enterprise Linux | Red Hat interactive labs (redhat.com) tutorial
  no-cost browser sandboxes for RHEL: dnf/rpm, SELinux, crypto policy, firewall via Ansible system roles
  Free Tier Interactive Lab Red Hat #
• The official Red Hat blog (redhat.com) news
  Red Hat's own posts on RHEL, OpenShift, automation, edge and security; carries Enable Sysadmin
  Red Hat System Administration #
• Red Hat Lightspeed (redhat.com) tool
  hosted risk prediction and drift detection across RHEL, OpenShift and Ansible, formerly Insights
  Observability Patch Management Red Hat #
• Red Hat Satellite (redhat.com) tool
  provisioning, patching, errata and subscription lifecycle for RHEL fleets; paid Red Hat product
  Commercial Support Patch Management Red Hat #
• Home | Linux System Roles (linux-system-roles.github.io) tool
  Ansible roles giving a stable interface to OS subsystems; upstream of RHEL System Roles, on Galaxy
  Ansible Configuration Management Red Hat #
• EPEL (docs.fedoraproject.org) reference
  Extra Packages for Enterprise Linux: community RPMs for RHEL and rebuilds
  Package Manager RPM #
• CentOS Stream - The CentOS Project (centos.org) tool
  continuously delivered midstream between Fedora and RHEL, tracking just ahead of RHEL development
  Distro Fedora #
• Welcome to Anaconda’s documentation! — Anaconda 45.20 documentation (anaconda-installer.readthedocs.io) reference
  installer behind Fedora and RHEL: kickstart automation, %post scripting, user and developer guides
  Bare Metal Provisioning Fedora #
• About AlmaLinux Wiki | AlmaLinux Wiki (wiki.almalinux.org) reference
  Docs hub for the forever-free RHEL-binary-compatible rebuild, run by a non-profit foundation
  Distro Nonprofit #
• Oracle Linux - Oracle Linux (Oracle Help Center) reference
  release documentation for Oracle Linux and the Unbreakable Enterprise Kernel
  Distro System Administration #
• Oracle Linux (oracle.com) tool
  RHEL-compatible distro free to download, use and redistribute, with paid Premier Support alongside
  Commercial Support Distro Free Tier #
• Oracle Linux Yum Server (yum.oracle.com) reference
  no-cost public RPM repositories for Oracle Linux plus EPEL, ISO verification and install notes
  Free Tier Package Manager RPM #
• SUSE - Open Source Solutions for Enterprise Servers & Cloud (documentation.suse.com) reference
  SLES 16 doc set: release notes, package lifecycles, Agama installer, SELinux, PXE deploy, SLES 15 migration
  SUSE System Administration #
• Evaluation Copy of SUSE Linux Enterprise Server | SUSE (suse.com) organisation
  SLES evaluation images and update channels, gated behind a no-cost Customer Center registration
  Free Tier SUSE #
• GitHub - ComplianceAsCode/content: Security automation content in SCAP, Bash, Ansible, and other formats (GitHub) repo
  SCAP/XCCDF/OVAL hardening profiles with generated Ansible and bash remediation for RHEL, Ubuntu, SLES
  Ansible Security Compliance Security Hardening #
• https://access.redhat.com/products/red-hat-high-availability-add-on (access.redhat.com) reference
  RHEL clustering add-on for failover services; needs a paid subscription
  High Availability Red Hat #
• Red Hat Enterprise Linux (redhat.com) tool
  vendor overview of RHEL 10 variants, use cases and support posture; paid subscription product
  Commercial Support Red Hat #
• Red Hat Universal Base Image - Red Hat Ecosystem Catalog (catalog.redhat.com) reference
  freely redistributable RHEL-derived OCI base images: platform, minimal, micro, plus runtime images
  Container Free Tier Red Hat #
• Home - Red Hat Ecosystem Catalog (catalog.redhat.com) reference
  searchable index of certified Red Hat and partner products and container images across RHEL and OpenShift
  Container Red Hat #
• Understanding Linux (redhat.com) article
  Vendor explainer on what Linux is: distro choice, Fedora versus RHEL, cloud and high-availability uses
  Distro Red Hat #
• Training and Certification (redhat.com) reference
  Red Hat course and exam catalogue from RH124 up, plus the paid Red Hat Learning Subscription
  Certification Red Hat #
• SUSE Linux Enterprise Server Distribution | Linux Server | SUSE (suse.com) organisation
  Vendor overview of SLES 16: long lifecycle, Common Criteria EAL4+, reproducible builds, subscription
  Commercial Support SUSE #
• Ubuntu Server documentation (Ubuntu Server) reference
  Canonical's own server guide: installation, netplan, DNS/DHCP, firewalls, DNSSEC, Ubuntu Pro
  System Administration Ubuntu #
• Home - Documentation (docs.rockylinux.org) reference
  docs hub for the RHEL-compatible rebuild: install, build and day-to-day admin guides, no cost
  Distro System Administration #
• Explore Red Hat certifications to complete your learning journey. (redhat.com) organisation
  Red Hat exam pathways by level, from entry technologist to architect; paid, performance-based
  Certification Red Hat #
• Red Hat Certified System Administrator exam | EX200 (redhat.com) reference
  EX200 objectives for the performance-based RHCSA, based on RHEL 10; paid proctored exam
  Certification Exam Objective Red Hat #
• Explore Red Hat certifications to complete your learning journey. (redhat.com) organisation
  Red Hat's certification ladder from Technologist to Architect; paid, product-specific exam paths
  Certification Red Hat #
• SUSE Certification Exams | SUSE (suse.com) organisation
  SUSE and SLES certification exam catalogue, remotely proctored via Questionmark, paid per exam
  Certification SUSE #
• MicroShift (MicroShift) tool
  OpenShift trimmed for the device edge: frugal resources, poor networking, safe rollbacks on RHEL for Edge
  Kubernetes OpenShift #