Keepalived Best Practices

Keepalived VRRP Split-Brain: Diagnosing And Fixing Dual Master State After Network Partition

Split-brain in Keepalived means both nodes think they own the VIP. Traffic gets blackholed or split unpredictably. Here's how to diagnose and fix it fast....

Keepalived Health Check Scripts: Beyond Basic VRRP

Write Keepalived track_script health checks that trigger VIP failover based on application health, not just node availability.

Keepalived VRRP: Build a Highly Available Load Balancer Pair

Set up a highly available load balancer pair using Keepalived VRRP with a shared virtual IP that automatically fails over between two nodes.

Kubernetes

Container Orchestration

Open-source container orchestration platform for automating deployment, scaling, and management of containerized applications. The de facto standard for running production workloads at scale.

Docker

Containers

Platform for building, shipping, and running applications in containers. Docker pioneered the container revolution and remains the most popular container toolchain for development workflows.

Terraform

Infrastructure as Code

Infrastructure as Code tool by HashiCorp that lets you define cloud and on-premises resources in human-readable configuration files. Supports 3,000+ providers across every major cloud.

How fast can you type real DevOps commands? Race against the clock in a terminal-themed typing challenge with kubectl, Docker, Terraform, and more.

Guess the DevOps tool from progressive clues. Prometheus, Terraform, ArgoCD, and 30+ more. Fewer clues needed = higher score.

Do you know what CIDR, RBAC, SRE, and MTTR stand for? 50+ acronyms across networking, security, cloud, containers, and more with fun facts.