Below are some mistakes generally we see during the OpenShift Interviews. Few are common and few are specific to OpenShift In-depth concepts.
Lack of Basic Understanding: Not having a solid grasp of what OpenShift is and its core components.
Ignoring Kubernetes Fundamentals: Failing to understand the relationship between Kubernetes and OpenShift.
Skipping Over Installation Details: Not knowing how to install and set up OpenShift.
Not Understanding Operators: Being unfamiliar with OpenShift Operators and their use.
Misunderstanding OpenShift Projects: Confusing OpenShift projects with Kubernetes namespaces.
Overlooking RBAC: Not knowing how to implement Role-Based Access Control in OpenShift.
Storage Configuration: Lacking knowledge about persistent storage options and configurations in OpenShift.
Networking Concepts: Being unaware of how networking works in OpenShift, including SDN and service mesh.
Security Features: Ignoring OpenShift security features like SCCs (Security Context Constraints).
Helm Charts: Not knowing how to use Helm charts within OpenShift.
Application Deployment: Struggling with deploying applications on OpenShift.
CI/CD Integration: Being unfamiliar with integrating CI/CD pipelines with OpenShift.
Logging and Monitoring: Lacking knowledge about logging and monitoring tools in OpenShift.
Not Understanding Builds: Ignoring the build process in OpenShift, including build configs and strategies.
Resource Quotas: Not knowing how to set and manage resource quotas.
Cluster Management: Being unaware of OpenShift cluster management and administration practices.
Upgrade Process: Not knowing the steps to upgrade an OpenShift cluster.
Service Mesh: Lacking knowledge of OpenShift Service Mesh and Istio.
Operators Framework: Not understanding how to develop and use custom operators.
Backup and Restore: Ignoring OpenShift backup and restore strategies.
Multitenancy: Failing to understand how OpenShift handles multitenancy.
OAuth Integration: Struggling with integrating OAuth and other authentication mechanisms.
Route Configuration: Not knowing how to configure and manage routes in OpenShift.
DNS Management: Ignoring the DNS setup and management in OpenShift.
Not Using CLI: Relying solely on the web console and not knowing how to use the OpenShift CLI.
Lacking API Knowledge: Being unfamiliar with the OpenShift API and how to interact with it.
Image Management: Not understanding image streams and image management in OpenShift.
Inefficient Scaling: Not knowing how to effectively scale applications in OpenShift.
Failing to Troubleshoot: Lacking troubleshooting skills for OpenShift environments.
Configuration Management: Ignoring config maps and secrets management in OpenShift.
Node Management: Not knowing how to manage nodes within an OpenShift cluster.
Ingress Controllers: Being unaware of how to configure and manage ingress controllers.
Registry Setup: Ignoring the setup and management of OpenShift’s integrated registry.
Lack of Automation: Not using automation tools and practices with OpenShift.
Pod Security: Failing to understand pod security policies and configurations.
Network Policies: Ignoring network policies for controlling traffic within OpenShift.
Failing to Use Templates: Not using or understanding OpenShift templates for deploying applications.
Not Keeping Updated: Ignoring updates and new features introduced in OpenShift versions.
Failing to Understand CRDs: Lacking knowledge about Custom Resource Definitions (CRDs).
Performance Tuning: Not knowing how to tune the performance of OpenShift clusters.
Ignoring Documentation: Not referring to OpenShift documentation for best practices.
Backup Configurations: Ignoring proper configuration for backups and disaster recovery.
Lacking Load Balancing Knowledge: Not understanding load balancing techniques in OpenShift.
Ignoring Community Resources: Not participating in OpenShift community forums and resources.
Underestimating OpenShift’s Complexity: Assuming OpenShift is simple and underestimating its complexity.
Not Testing Changes: Failing to test changes in a development environment before applying them to production.
Ignoring Resource Limits: Not setting appropriate resource limits for applications.
Not Preparing for Questions: Failing to prepare for commonly asked interview questions about OpenShift.
Overlooking Best Practices: Ignoring industry best practices for managing and deploying OpenShift.
Poor Communication: Not effectively communicating technical details and concepts during the interview.
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