Kibana Cheatsheet
Mastering KQL and Visualization for Operational Intelligence and ELK Stack monitoring
Logstash Pipeline
Input, filter & output plugins, Grok patterns, conditionals, multiline codec, best practices
Grafana Alerting with Elasticsearch
Log-based alerts, error rate monitoring, notification policies, templates, silences, IaC provisioning
Docker Swarm
Cluster management, services, stacks, networking, secrets, registry, HA & rolling updates
Ansible: Docker Swarm Setup
Step-by-step from bare nodes to production Swarm with custom domain, registry, and Traefik
Cloud Foundry
cf push, services, buildpacks, multi-tenancy (Orgs/Spaces), routing, Korifi on K8s
GitLab CI/CD Pipelines
Pipeline syntax, variables, rules, caching, Docker, environments, templates, matrix builds, security scanning & production-ready examples
Galera / Percona XtraDB Cluster
Cluster lifecycle, health checks, monitoring intervals, SST/IST, backup & recovery, ProxySQL