macOS
303 entries match these filters
- 0185 Ansible ad-hoc commands cheat sheet One-line ansible commands for quick jobs across many servers: ping hosts, run a command, copy files, manage packages, users and services, gather… Intermediate · Cheat sheet · Linux, macOS Article Ansible 15 Oct 2026
- 0186 Fix: Ansible UNREACHABLE! Failed to connect to the host via ssh Ansible could not open an SSH session to the host, so no task ran. The text after the colon tells you why:… Intermediate · Fixes an error · Linux, macOS Article Ansible · SSH & servers 15 Oct 2026
- 0187 Terraform concepts: providers, state, plan and apply, modules, and OpenTofu Terraform describes infrastructure in code, compares it with what exists, and changes only the difference. Learn providers, resources, state, the plan/apply loop,… Beginner · Explains an idea · Any system Article Terraform 15 Oct 2026
- 0194 Ansible: agentless IT automation The source repository of ansible-core, the engine behind Ansible playbooks, ad-hoc commands and the ansible-galaxy and ansible-vault tools. Linux, macOS Repo Ansible 15 Oct 2026
- 0188 First Terraform configuration: variables, a module and outputs (no cloud needed) A complete Terraform project that writes local files with the hashicorp/local provider, so you can practice init, plan, apply, modules and destroy… Intermediate · Step by step · Any system Script Terraform 15 Oct 2026
- 0189 Terraform remote state: backends, locking and migrating local state Move Terraform state from a local file into a shared backend such as S3 with locking, so a team can work safely.… Advanced · Step by step · Any system Article Terraform 15 Oct 2026
- 0190 Fix: Terraform Error acquiring the state lock Another run holds the lock on your Terraform state, or a crashed run left it behind. Find out who holds it, wait… Advanced · Fixes an error · Any system Article Terraform 15 Oct 2026
- 0195 OpenTofu: open-source infrastructure as code OpenTofu is the community fork of Terraform under the MPL-2.0 license, run as a Linux Foundation project. It uses the same configuration… Any system Repo Terraform 15 Oct 2026
- 0199 psql meta-commands cheat sheet The backslash commands you use every day in psql: connecting, listing databases, tables and roles, describing objects, timing queries, expanded output and… Beginner · Cheat sheet · Any system Article Install & connect · Roles & administration 15 Oct 2026
- 0147 helm/helm The Helm package manager for Kubernetes: the helm CLI and Go SDK for installing, upgrading and rolling back charts. Any system Repo Helm 15 Oct 2026