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In today’s rapidly evolving technological landscape, machine learning (ML) has emerged as a key player in driving innovation and efficiency across various industries. From personalized recommendations on streaming platforms 🎧 to advanced diagnostic tools in healthcare 🏥, machine learning is transforming how we interact with data and make decisions. But what exactly is machine learning, … Read more
I came across several scenario-based Kubernetes interview questions that I’d like to share with you all. 1.Pods in CrashLoopBackOff State :-• Imagine you deploy an application on Kubernetes, but some of your pods go into a `CrashLoopBackOff` state. How would you troubleshoot and resolve this issue? Let’s break down the steps to troubleshoot and resolve … Read more
Kubernetes Role-Based Access Control (RBAC) is a powerful mechanism to manage user permissions and control access to cluster resources. By assigning roles to users or groups, you can granularly define what actions they can perform.Understanding Key Concepts Roles: Define a set of permissions.RoleBindings: Associate roles with users or groups.ClusterRoles: Roles that apply to the entire … Read more
1. CrashLoopBackOff State Check Pod Logs: kubectl logs Inspect Pod YAML: kubectl get pod -o yaml Examine Container Images: kubectl describe pod 2. Image Pull Back Off Verify Image Existence: docker images Check Registry Credentials: kubectl describe secret <registry-secret-name> 3. Services Latency Monitor Metrics: kubectl top pod <pod-name> || … Read more
🔍 𝐈𝐬𝐬𝐮𝐞:In Kubernetes, managing secure and controlled access to resources within your cluster is critical. Using default ServiceAccounts may expose your applications to unnecessary risks, leading to potential security vulnerabilities and uncontrolled access to cluster resources. 💡𝐅𝐢𝐱:ServiceAccounts in Kubernetes offer a secure way to control how your applications interact with the Kubernetes API. Here’s how … Read more
Curious about how code makes its way to production? Here’s a glimpse into the typical workflow: 1. Product Vision: The process begins with the product owner crafting user stories based on requirements.2. Sprint Development: The development team selects these user stories from the backlog and incorporates them into a sprint for a two-week development cycle.3. … Read more
Ever thought about how the vital organs in our body can be likened to the essential skills in DevOps? Just as each organ plays a crucial role in keeping us alive, each DevOps skill is vital in ensuring the smooth operation of our systems. Here’s a fascinating analogy to illustrate this: Heart (Automation)The heart pumps … Read more
1. Developer: The developer writes both Terraform configuration files and application code.2. Source Control: The developer commits the code changes to a local Git repository and then pushes these commits to a remote repository.3. Static Code Analysis: Before triggering the CI/CD pipeline, a static code analysis tool like SonarQube scans the code for potential security … Read more
In K8s, both Service & Deployment seem to shelter a group of Pods with similar characteristics by providing an interface on top. So what’s the difference? 👉 A Deployment keeps a set of Pods running as specified by the user If you want to run 5 Pods for your application, you can create & manage … Read more