Linux Shell Scripting: 10 Production Patterns Every DevOps Engineer Must Know
Introduction Shell scripts are the duct tape of DevOps — they hold everything together. But a badly written script can cause outages, data loss, and sleepless nights. This guide covers 10 battle-tested patterns that make your scripts reliable, debuggable, and safe to run in production. Pattern 1: The Safety Header Every production script must start […]
Kubernetes Hardening: RBAC, Network Policies and Pod Security in Production
Introduction Running Kubernetes without security hardening is like leaving your server room unlocked. This guide covers Pod Security Standards, RBAC, and Network Policies. 1. Pod Security Standards In Kubernetes 1.25 and above, apply the Restricted profile to every application namespace. This prevents privilege escalation, forces non-root users, and drops all Linux capabilities by default. 2. […]
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