{"id":193,"date":"2026-01-18T21:57:07","date_gmt":"2026-01-18T20:57:07","guid":{"rendered":"https:\/\/adler-tech.com\/?page_id=193"},"modified":"2026-01-19T18:14:23","modified_gmt":"2026-01-19T17:14:23","slug":"enterprise-openshift-administration-development","status":"publish","type":"page","link":"https:\/\/adler-tech.com\/?page_id=193","title":{"rendered":"Enterprise OpenShift Administration &amp; Development"},"content":{"rendered":"\n<p>5 day training<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Day 1: The Container Revolution and Platform Architecture<\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Chapter 1: Infrastructure Evolution<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Course Roadmapping<\/strong> (Setting expectations, lab environment access, and terminal setup)<\/li>\n\n\n\n<li><strong>Deconstructing Containerization<\/strong> (The transition from monolithic VMs to microservices; namespaces and cgroups architecture)<\/li>\n\n\n\n<li><strong>The OpenShift Ecosystem<\/strong> (Understanding the relationship between RHEL, CoreOS, and the Kubernetes upstream)<\/li>\n<\/ul>\n\n\n\n<p><strong>Chapter 2: Image Construction and Management<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Building Production-Ready Images<\/strong> (Writing optimized Dockerfiles\/Containerfiles, minimizing image size, and multi-stage builds)<\/li>\n\n\n\n<li><strong>The Image Life Cycle<\/strong> (Tagging strategies for version control and managing layers for efficient caching)<\/li>\n\n\n\n<li><strong>Registry Integration<\/strong> (Authenticated pulls, using the integrated OpenShift Image Registry, and mirroring images)<\/li>\n<\/ul>\n\n\n\n<p><strong>Chapter 3: Data Persistence<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Storage Abstraction<\/strong> (Understanding the PV\/PVC relationship and Dynamic Volume Provisioning)<\/li>\n\n\n\n<li><strong>Storage Classes<\/strong> (Mapping storage requirements to backend providers like EBS, NFS, or ODF)<\/li>\n\n\n\n<li><strong>Stateful Applications<\/strong> (Managing database workloads and ensuring data consistency during pod restarts)<\/li>\n<\/ul>\n\n\n\n<p><strong>Chapter 4: Troubleshooting basics<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Operational Troubleshooting<\/strong> (Debugging &#8220;CrashLoopBackOff&#8221; states, log analysis, and utilizing <code>oc debug<\/code> for node-level issues)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Day 2: Kubernetes Core and Orchestration Logic<\/h3>\n\n\n\n<p><strong>Chapter 5: Foundational Workloads<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pod Orchestration<\/strong> (Managing the lifecycle of the smallest deployable units and understanding the Init-container pattern)<\/li>\n\n\n\n<li><strong>Scaling and Self-Healing<\/strong> (Configuring ReplicaSets and Deployments to maintain desired state and high availability)<\/li>\n<\/ul>\n\n\n\n<p><strong>Chapter 6: Resource Governance<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Organizational Metadata<\/strong> (Using Labels and Selectors for efficient resource grouping and filtering)<\/li>\n\n\n\n<li><strong>Capacity Planning<\/strong> (Enforcing CPU\/Memory requests and limits to prevent &#8220;noisy neighbor&#8221; syndrome)<\/li>\n\n\n\n<li><strong>Multi-tenant Isolation<\/strong> (Managing Projects\/Namespaces and applying ResourceQuotas to limit consumption)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Day 3: Application Delivery and Lifecycle Management<\/h3>\n\n\n\n<p><strong>Chapter 7: OpenShift-Native Build Systems<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Automated Image Streams<\/strong> (Understanding ImageStream tags and triggers for automated deployments)<\/li>\n\n\n\n<li><strong>Source-to-Image (S2I) Workflows<\/strong> (Transforming raw source code into container images without manual Dockerfiles)<\/li>\n\n\n\n<li><strong>Build Configurations<\/strong> (Defining build triggers, webhooks, and strategy types like Jenkins or Tekton integration)<\/li>\n<\/ul>\n\n\n\n<p><strong>Chapter 8: Advanced Deployment Strategies<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mastering the Interface<\/strong> (Advanced usage of the <code>oc<\/code> CLI tool vs. the Administrator\/Developer Web Consoles)<\/li>\n\n\n\n<li><strong>Zero-Downtime Releases<\/strong> (Executing Rolling Updates, Blue-Green deployments, and Canary testing)<\/li>\n\n\n\n<li><strong>Rollback Procedures<\/strong> (Versioning deployment configs to quickly revert to &#8220;known good&#8221; states)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Day 4: Networking<\/h3>\n\n\n\n<p><strong>Chapter 9: Service Discovery and Traffic Routing<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Internal Cluster Networking<\/strong> (Differentiating between ClusterIP for internal talk and NodePort for manual exposure)<\/li>\n\n\n\n<li><strong>The Ingress Layer (Routes)<\/strong> (Implementing OpenShift Routes, Edge\/Passthrough TLS termination, and custom hostnames)<\/li>\n\n\n\n<li><strong>Network Security<\/strong> (Creating NetworkPolicies to isolate traffic between specific microservices)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Day 5: Security, Observability, and Operations<\/h3>\n\n\n\n<p><strong>Chapter 10: Hardening the Platform<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Identity and Access Management<\/strong> (Implementing RBAC, User\/Group mapping, and Service Accounts)<\/li>\n\n\n\n<li><strong>Security Context Constraints (SCC)<\/strong> (Controlling pod privileges to prevent root-level exploits)<\/li>\n<\/ul>\n\n\n\n<p><strong>Chapter 11: Monitoring and Troubleshooting<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Full-Stack Observability<\/strong> (Leveraging Prometheus for metrics and Grafana for visual dashboards)<\/li>\n\n\n\n<li><strong>Health and Self-Healing<\/strong> (Defining Liveness, Readiness, and Startup probes to automate application recovery)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>5 day training Day 1: The Container Revolution and Platform Architecture Chapter 1: Infrastructure Evolution Chapter 2: Image Construction and Management Chapter 3: Data Persistence Chapter 4: Troubleshooting basics Day 2: Kubernetes Core and Orchestration Logic Chapter 5: Foundational Workloads Chapter 6: Resource Governance Day 3: Application Delivery and Lifecycle Management Chapter 7: OpenShift-Native Build [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":185,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-193","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/adler-tech.com\/index.php?rest_route=\/wp\/v2\/pages\/193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adler-tech.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/adler-tech.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/adler-tech.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/adler-tech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=193"}],"version-history":[{"count":2,"href":"https:\/\/adler-tech.com\/index.php?rest_route=\/wp\/v2\/pages\/193\/revisions"}],"predecessor-version":[{"id":217,"href":"https:\/\/adler-tech.com\/index.php?rest_route=\/wp\/v2\/pages\/193\/revisions\/217"}],"up":[{"embeddable":true,"href":"https:\/\/adler-tech.com\/index.php?rest_route=\/wp\/v2\/pages\/185"}],"wp:attachment":[{"href":"https:\/\/adler-tech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}