Security Tutorials

API Validation with Postman

Learn efficient API validation, error handling, and performance optimization with the hands-on Coursera course 'API Validation with Postman' by Luca.

Ansible Automates London 2023: Your Guide to Enterprise Automation

Join Ansible Automates London 2023 on July 13 to discover automation strategies, outcomes, and platform features. Ideal for IT professionals seeking to.

Ansible + InSpec — Compliance Testing for Infrastructure

Validate infrastructure compliance with Chef InSpec and Ansible. CIS benchmarks, STIG profiles, custom controls, kitchen-ansible testing, and audit.

Celebrate Ansible Pilot's Successful Year and Upcoming Projects

Celebrate Ansible Pilot's first year of sharing Ansible knowledge and automation stories. Stay tuned for exciting new projects and ideas coming soon!

Ansible PCI DSS — Payment Card Industry Compliance

Ansible PCI DSS guide with practical Ansible examples, parameters, and troubleshooting tips. Tested on real machines with clear, copy-paste examples.

Ansible Playbook Example: After-Hours Access Report for Branch Offices

Runnable Ansible playbook example for a Branch - After Hours Access Report template, as demoed in AAP 2.7's Automation Portal self-service gallery.

Ansible Playbook Example: Emergency CVE Patch Rollout

Runnable Ansible playbook for emergency CVE patching, modeled on the AAP 2.7 Automation Portal CVE Patch template from Red Hat Tech Day 2026.

Ansible Playbook Example: Remediate a Firewall Rule Misconfiguration

Runnable Ansible playbook example for the AAP 2.7 Network - Firewall Remediation template that detects and corrects a misconfigured firewall rule.

Ansible SOC 2 — Security Audit Automation

Ansible SOC 2 guide with practical Ansible examples, parameters, and troubleshooting tips. With tested, real-world examples.

Ansible SSH Hardening — Secure Configuration Guide

Ansible SSH Hardening guide with practical Ansible examples, parameters, and troubleshooting tips. With tested, real-world examples.

Ansible SSL TLS Certificates — Generate and Deploy

Ansible SSL TLS Certificates guide with practical Ansible examples, parameters, and troubleshooting tips. With tested, real-world examples.

Ansible STIG Compliance — DoD Security Automation

Ansible STIG Compliance guide with practical Ansible examples, parameters, and troubleshooting tips. Tested on real machines with clear, copy-paste examples.

Ansible Secrets Management — Vault HashiCorp AWS

Ansible Secrets Management guide with practical Ansible examples, parameters, and troubleshooting tips. Tested on real machines with clear, copy-paste examples.

Ansible UFW Module — Manage Ubuntu Firewall Rules

Ansible UFW Module guide with practical Ansible examples, parameters, and troubleshooting tips. With tested, real-world examples.

Ansible Vault Create — Encrypt Files and Variables

Create encrypted files with ansible-vault create. Manage vault passwords, encrypt existing files, and protect secrets in Ansible projects.

Ansible Vault Decrypt — Unlock Encrypted Files and Variables

Decrypt Ansible Vault encrypted files and variables. Use ansible-vault decrypt, view, and edit commands. Manage vault passwords in CI/CD pipelines.

Ansible Vault ID — Multi-Password Vault Management

Manage multiple Ansible Vault passwords with vault IDs. Separate dev/prod secrets, use password files, prompt labels, and client scripts.

Ansible acl Module — Manage File Access Control Lists

Ansible acl Module guide with practical Ansible examples, parameters, and troubleshooting tips. With clear, copy-paste, step-by-step examples.

Ansible authorized_key Module — Deploy SSH Public Keys

Ansible authorized_key Module guide with practical Ansible examples, parameters, and troubleshooting tips. With clear, copy-paste, step-by-step examples.

Ansible become_method — sudo, su, doas, runas Privilege Escalation

Configure Ansible become_method for privilege escalation. Use sudo, su, doas, pfexec, runas for Linux, BSD, and Windows with practical examples.

Ansible community.crypto — X509 Certificates and Keys

Ansible community.crypto guide with practical Ansible examples, parameters, and troubleshooting tips. With clear, copy-paste, step-by-step examples.

Ansible for Security — CIS Benchmarks and Hardening

Ansible for Security guide with practical Ansible examples, parameters, and troubleshooting tips. With tested, real-world examples.

Ansible hashicorp.vault Module Example: Dynamic Secrets in a Playbook

Learn how the hashicorp.vault collection fetches dynamic secrets in an Ansible playbook, with a runnable example, notes, and gotchas.

Ansible known_hosts — Manage SSH Host Keys

Ansible known_hosts guide with practical Ansible examples, parameters, and troubleshooting tips. Tested, copy-paste examples included.

Ansible no_log — Output Visibility

Use no_log to prevent Ansible from displaying passwords, API keys, and tokens in task output, logs, and callback plugins. Protect secrets in automation.

Ansible openssh_keypair — Generate SSH Key Pairs

Ansible openssh_keypair guide with practical Ansible examples, parameters, and troubleshooting tips. With clear, copy-paste, step-by-step examples.

Ansible seboolean — Toggle SELinux Booleans

Ansible seboolean guide with practical Ansible examples, parameters, and troubleshooting tips. With tested, real-world examples.

Ansible selinux Module — Configure SELinux Policy

Ansible selinux Module guide with practical Ansible examples, parameters, and troubleshooting tips. Tested on real machines with clear, copy-paste examples.

Ansible splunk.es Module Example: Trigger Incident Response Playbook

Runnable Ansible playbook example using the splunk.es collection to trigger Splunk Enterprise Security incident response and notable event workflows.

Fix Google Pixel Bootloop — Sideload OTA Update Guide

Fix a bootlooping Google Pixel with ADB sideload OTA update. Step-by-step recovery mode, fastboot, and factory image instructions for all models.

🛟 How to Navigate 2022 IT Turbulent Time — Weathering New Challenges

How to navigate the storm and increase your value and hireability in the IT market, keeping your skills sharp, and learning new technologies and languages.

How to Run Linux Fedora Workstation 39 on an Apple Mac

Twenty Years of Fedora: Celebrating Innovation in Open Source Step-by-step Ansible tutorial with practical examples and best practices.

Unlocking 2023 Cyber Monday Learning Bonanza

Explore the best 2023 Cyber Monday deals for IT and DevOps courses. Save on Linux Foundation, Udemy, Pluralsight, KodeKloud, and HashiCorp training.