Programming and Languages

Rego: Policy Language for OPA

Rego: Policy Language for OPA enables declarative, testable policy-as-code for Kubernetes, CI/CD, and cloud infrastructure enforce...

Master text processing with awk and sed for log analysis, config management, and automation on Linux servers using practical, prod...

Learn to parse JSON on the CLI with jq using real DevOps examples for filtering, transforming, and automating infrastructure data...

Master HCL: The HashiCorp Configuration Language for Terraform and Vault with practical syntax examples, structural patterns, and...

Choose the right format for JSON vs YAML vs TOML for config based on machine interoperability, human readability, and infrastructu...

YAML explained: anchors, aliases, and gotchas for DevOps engineers managing Kubernetes, CI/CD, and Ansible configs without silent...