Snippets
Battle-tested commands, configs, and gotchas from real production environments.
Battle-tested kubectl commands for daily cluster operations — pod cleanup, version checks, network debugging, bulk patching, and more.
Complete guide to setting up WAL-G backups with Azure Blob Storage for the Zalando Postgres Operator, including restore procedures and troubleshooting.
Get a root shell on K8s nodes when SSH is blocked — kubectl debug, nsenter, and systemctl access.
Core ArgoCD concepts, architecture components, and key features at a glance.
Set up a Vault AppRole with non-expiring secret IDs for the External Secrets Operator on Kubernetes.
Ready-to-use PromQL for pod restarts, ArgoCD health, node memory, and CPU load alerts.
How to fix Kafka topics with incorrect or missing leaders by manually rewriting partition state in ZooKeeper.
Copy-paste ignoreDifferences configs for common false OutOfSync issues in ArgoCD.
The correct way to set Kubernetes resource requests and limits — from the K8s maintainers at Google.
Expand PersistentVolumeClaim storage on the fly without downtime — check, patch, verify.
Spin up a temporary sqlcmd pod to connect, query, and debug Azure SQL or any MSSQL database from inside your cluster.