Cheat sheets for the work, notes for the rest.

AWS CLI

Profiles, identity, S3, EC2, logs, EKS, ECR, CloudFormation, and Parameter Store.

• AWS

Ansible

Navigator, ad-hoc commands, playbooks, inventory, vault, and the checks to run when a play fails.

• Ansible
• Automation
• RHCE

Docker

Run containers, build images, and drive Compose without the cleanup surprises.

• Docker

Git

Status, commits, branches, history, and the safe ways to undo work.

• Git

Kubernetes (kubectl)

Contexts, workloads, logs, rollouts, and the debug commands that do not require a redeploy.

• Kubernetes
• kubectl

Linux and Bash

Files, users, storage, systemd, and the RHEL admin tasks that keep a host understandable.

• Linux
• Bash
• RHCSA

OpenShift (oc)

Projects, routes, builds, RBAC, SCCs, and the oc commands the kubectl sheet does not cover.

• OpenShift
• Kubernetes
• EX280

Python for automation

Virtual environments, subprocess, files, JSON and YAML, HTTP, and CLI scripts with logging.

• Python
• Automation

Terraform

Format, plan, state, import, and the S3 backend settings that keep apply from stepping on itself.

• Terraform