Nginx vs Traefik Ingress Controller: Which One for Kubernetes? (2026)
Nginx Ingress and Traefik are the two most popular Kubernetes ingress controllers. Here's a real-world comparison to help you choose.
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Apr 4, 20263 min readRead
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#networking
19 articles
Nginx Ingress 502 Bad Gateway — How to Fix It (2026)
Getting 502 Bad Gateway from your Nginx Ingress Controller? Here's every cause and the exact fix for each one.
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Apr 3, 20262 min readRead
What is a Service Mesh? Explained Simply (No Jargon)
Service mesh sounds complicated but the concept is simple. Here's what it actually does, why teams use it, and whether you need one — explained without the buzzwords.
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Mar 30, 20265 min readRead
AWS ALB Showing Unhealthy Targets — How to Fix It
Fix AWS Application Load Balancer unhealthy targets. Covers health check misconfigurations, security group issues, target group problems, and EKS-specific ALB controller debugging.
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Mar 29, 20266 min readRead
How to Set Up Istio Service Mesh from Scratch (2026)
Step-by-step guide to installing and configuring Istio service mesh on Kubernetes. Covers traffic management, mTLS, observability, canary deployments, and production best practices.
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Mar 28, 20266 min readRead
Agentic Networking — How Kubernetes Is Adapting for AI Agent Traffic in 2026
AI agents are the next-gen microservices, but with unpredictable communication patterns. Learn how Kubernetes networking, Gateway API, Cilium, and eBPF are adapting for agentic traffic in 2026.
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Mar 27, 20269 min readRead
How to Migrate from Ingress-NGINX to Kubernetes Gateway API in 2026
Step-by-step guide to migrating from Ingress-NGINX to Kubernetes Gateway API. Includes YAML examples, implementation choices, testing strategy, and cutover plan.
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Mar 27, 20269 min readRead
Cilium and eBPF Networking — Complete Guide for DevOps Engineers (2026)
Everything you need to know about Cilium, the eBPF-powered CNI for Kubernetes. Covers architecture, installation, network policies, observability with Hubble, and replacing kube-proxy.
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Mar 26, 20266 min readRead
Kubernetes DNS Resolution Failures — How to Fix CoreDNS Issues
Fix Kubernetes DNS resolution failures caused by CoreDNS misconfigurations, ndots issues, and pod DNS policies. Real troubleshooting scenarios with step-by-step solutions.
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Mar 26, 20265 min readRead
Kubernetes Network Policies Complete Guide — Zero Trust Networking in 2026
Complete guide to Kubernetes NetworkPolicies: default deny, ingress/egress rules, namespace isolation, CIDR blocks, and production patterns for zero-trust pod networking.
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Mar 25, 20267 min readRead
How to Set Up Istio Service Mesh on Kubernetes from Scratch in 2026
Step-by-step guide to installing and configuring Istio service mesh on Kubernetes — traffic management, mTLS, observability, and canary routing with practical examples.
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Mar 24, 20266 min readRead
Ingress-NGINX Is Being Retired: How to Migrate to Gateway API Before It Breaks
Ingress-NGINX is officially being retired. Your ingress rules will stop working. Here's the step-by-step migration plan to Kubernetes Gateway API before it's too late.
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Mar 21, 20264 min readRead
Cilium Complete Guide: eBPF-Powered Kubernetes Networking and Security in 2026
Master Cilium — the eBPF-based CNI that's become the default for Kubernetes networking. Covers installation, network policies, Hubble observability, and service mesh mode.
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Mar 18, 20265 min readRead
How to Set Up Tailscale for Zero-Trust Access to Your DevOps Infrastructure
Step-by-step guide to setting up Tailscale for secure access to Kubernetes clusters, databases, and internal tools without traditional VPNs.
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Mar 18, 20265 min readRead
Kubernetes DNS Not Working: How to Fix CoreDNS Failures in Production
Pods can't resolve hostnames? Getting NXDOMAIN or 'no such host' errors? Here's how to diagnose and fix CoreDNS issues in Kubernetes step by step.
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Mar 18, 20265 min readRead
AWS VPC Networking: The Complete Guide for DevOps Engineers (2026)
Understand AWS VPC from the ground up — subnets, route tables, security groups, NACLs, VPC peering, Transit Gateway, and real-world architectures for production workloads.
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Mar 13, 202610 min readRead
eBPF Will Make Traditional Service Meshes Obsolete — Here's Why
Istio and Linkerd are powerful but heavy. eBPF-based networking is changing the game. Here's why I think the sidecar proxy era is ending.
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Mar 12, 20265 min readRead
How to Set Up Kubernetes Gateway API to Replace Ingress (2026 Guide)
The Kubernetes Ingress API is being replaced by the Gateway API. Here's a complete step-by-step guide to setting it up with Nginx Gateway Fabric and migrating from Ingress.
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Mar 12, 20266 min readRead
eBPF Is Eating Kubernetes Networking — and Most DevOps Engineers Aren't Ready
eBPF is quietly replacing iptables, sidecars, and monitoring agents in Kubernetes. Here's what it is, why it matters, and what it means for your career in 2026.
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Mar 11, 20268 min readRead