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k8s Installation Steps
create best script without failure nmcli connection modify ens160 ipv4.addresses 192.168.1.15/24 nmcli connection modify ens160...
RNREDDY
Sep 1, 20252 min read
K8S Installation Script
#!/bin/bash set -euo pipefail # Define network and host details NIC="ens160" IP="192.168.1.24/24" GW="192.168.1.1" DNS="192.168.1.1" #...
RNREDDY
Sep 1, 20252 min read
K8S storage
Kubernetes Storage Lab Concepts – Best Practices (for Certification) 1. Understand the Storage Types Type Description Example Use...
RNREDDY
Aug 30, 20254 min read
Pod Disruption Budget
Kubernetes Pod Disruption Budget Practical Guide Have you ever faced a situation where your application suddenly went down during a...
RNREDDY
Aug 27, 20252 min read
Decoding QoS Classes
Decoding Kubernetes Resource Allocation with QoS Classes I recently spent some time breaking down how Kubernetes allocates resources to...
RNREDDY
Aug 27, 20252 min read
CreateContainerConfigError
Some of you may already know… CreateContainerConfigError is an error that occurs when Kubernetes fails to create a container due to an...
RNREDDY
Aug 27, 20252 min read
Pod Lifecycle
Understanding the lifecycle of a Kubernetes Pod is crucial for managing workloads effectively. It helps you anticipate how your...
RNREDDY
Aug 27, 20252 min read
Air Gap Implementation (Airplane Mode)
Kubernetes AirGap Implementation (An Airplane Mode) For someone who is new to air gap environments, it is a security measure where a...
RNREDDY
Aug 26, 20252 min read
ImagePullBackOff
Kubernetes ImagePullBackOff Explained For Kubernetes practitioners, encountering the ImagePullBackOff error is a common challenge that is...
RNREDDY
Aug 26, 20252 min read
KEDA vs Karpenter
KEDA vs Karpenter - Which One to Choose? Kubernetes practitioners often find themselves unsure whether to choose KEDA or Karpenter, as...
RNREDDY
Aug 26, 20252 min read
Node Not Ready
Kubernetes Node Not Ready - How To Fix It ? It is very familiar to see a mix of node statuses in a Kubernetes cluster, especially when...
RNREDDY
Aug 26, 20253 min read
Setup ETCD CLUSTER
How To Setup etcd Clusters To begin with - Etcd is a distributed, reliable key-value store designed to securely store configuration data...
RNREDDY
Aug 26, 20252 min read
K8S DNS Optimization
It's easy to fall into the trap of default configurations. The out-of-the-box setup often works, but at what cost? Let's explore a...
RNREDDY
Aug 26, 20252 min read
4 Kubernetes Anti Patterns
Anti Pattern 1. Manual Deployments Problem: Deploying multiple applications manually is slow and increases the chance of mistakes. Each...
RNREDDY
Aug 26, 20251 min read
Static Vs Dynamic Config Maps
To begin with, what is a ConfigMap? It's an API object in Kubernetes used to store non-confidential configuration data as key-value...
RNREDDY
Aug 26, 20252 min read
Fix OOMKilled
Use Case How To Fix OOMKilled OOMKilled occurs in Kubernetes when a container exceeds its memory limit or tries to access unavailable...
RNREDDY
Aug 26, 20252 min read
Kubernetes Crashloopbackoff
Ever had one of those days when everything seems fine, but there's that one irritating pod that just won't stay up? The most common...
RNREDDY
Aug 26, 20251 min read
Resource Management
Efficiently pack containers on finite nodes without starving critical workloads, while balancing predictability, performance, and cost....
RNREDDY
Aug 26, 20255 min read
IPv4 vs IPv6: Understanding the Internet’s Past, Present, and Future
What is IP? IP (Internet Protocol) is the system that gives every device on a network (computer, mobile, router, etc.) a unique address...
RNREDDY
Aug 25, 20252 min read
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