Ansible Custom Filters: Transforming Data In Jinja2 Templates
If you've spent any serious time with Ansible, you've probably hit the wall where the built-in Jinja2 filters just don't cut it anymore. You're wrestling w...
If you've spent any serious time with Ansible, you've probably hit the wall where the built-in Jinja2 filters just don't cut it anymore. You're wrestling w...
If you're running Prometheus at scale with Thanos for long-term storage, misconfigured remote write settings are silently killing your performance — and yo...
Let me be direct with you: most Kubernetes clusters I audit are hemorrhaging money because of poorly configured resource requests. I've seen teams running...
If you've worked with ArgoCD for more than five minutes, you've probably encountered this frustrating scenario: your application gets stuck in a "Progressi...
Resolve the Azure 'SubscriptionNotRegistered for resource type' error by registering the required resource provider with step-by-step instructions.
Reclaim disk space when Docker fills your drive — clean up dangling images, stopped containers, unused volumes, and build cache.
Resolve the Grafana datasource error when connecting to Prometheus, caused by URL misconfiguration, network issues, or authentication problems.
Step-by-step guide to diagnose and fix Istio sidecar proxy not being injected into Kubernetes pods, covering namespace labels, webhook configuration, and annotation overrides.
Diagnose and fix Jenkins agents that go offline mid-build — resolve network timeouts, JVM heap issues, and SSH connection drops.
Diagnose and fix SSH connection refused errors after a Linux server reboot, covering sshd service, firewall rules, port configuration, and host key issues.
Configure Apache as a reverse proxy using mod_proxy to route traffic to backend applications with load balancing and health checks.
Stand up a production-grade AKS cluster with autoscaling, RBAC, monitoring, and private networking in under 15 minutes.
Configure Envoy distributed tracing with Jaeger, expose Prometheus metrics, and build end-to-end observability for your service mesh.
Configure HAProxy SSL termination to offload TLS from backend servers, including certificate management, hardening, and SNI-based routing.
Practical Helm chart best practices covering directory structure, versioning strategies, and templating patterns for production-grade charts.
Configure Nexus Repository cleanup policies to automatically remove old snapshots, unused artifacts, and stale Docker layers before your disk fills up.
A practical PromQL reference covering request rates, latency percentiles, resource usage, and Kubernetes workload queries for real production dashboards.
AWS CLI cheat sheet with copy-paste commands for EC2, S3, IAM, Lambda, ECS, CloudFormation, SSM, and Secrets Manager operations.
A data-driven playbook for cutting AWS costs across compute, storage, networking, and reserved capacity with real numbers and actions.
Use dynamic inventories to automatically discover and manage cloud infrastructure — AWS EC2, Azure VMs, and GCP instances with Ansible inventory plugins.
Learn Ansible from scratch — install Ansible, write your first playbook, understand modules, manage inventories, and automate server configuration.
Structure your Ansible automation with roles for reusability. Learn role directory structure, Galaxy usage, dependencies, and testing with Molecule.
Encrypt sensitive data with Ansible Vault — encrypt files, inline variables, multi-password setups, and integrate with external secret managers like HashiCorp Vault.
Cut your AWS Lambda costs by 40-70% with memory right-sizing, ARM/Graviton migration, and smart provisioned concurrency strategies.
Set up automated cloud cost anomaly detection with AWS Cost Anomaly Detection and custom Lambda monitors to catch runaway spend early.
Deploy Kubecost for real-time Kubernetes cost monitoring with namespace-level showback, idle cost detection, and actionable Slack alerts.
A data-driven comparison of AWS Reserved Instances vs Savings Plans — with decision frameworks, break-even math, and real purchase recommendations.
Find and fix oversized EC2 instances with this practical right-sizing guide. Save 30-50% on AWS compute costs using CloudWatch metrics and tooling.
A complete tagging strategy for cloud cost allocation — including the Terraform enforcement, AWS policies, and org-wide rollout plan that actually works.
A practical guide to S3 storage class selection and lifecycle policies — with real dollar figures showing how to cut storage costs by 60-80%.
A battle-tested guide to running Kubernetes workloads on spot instances — safely, reliably, and at 60-90% less than on-demand pricing.