IT automation and documentation, made easier

Sysily is a small, independent site with practical guides for sysadmins and small IT teams: where to start with automation, Ansible and Bash, infrastructure as code, monitoring, and writing runbooks and documentation people actually use.

It is a guide site, not a platform: there is no software to sign up for, no demo to book and nothing to buy.

Browse the guides About this site

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Automation fundamentals

What to automate first, and how to grow from one-off scripts to repeatable tooling.

Ansible vs. Bash

When a shell script is enough and when configuration management pays off.

Runbooks that get used

How to write incident runbooks and documentation that survive contact with a 3 a.m. outage.

Latest guides

A Practical Guide to IT Automation for Beginners
Start your IT automation journey with this practical beginner's guide. Learn the core concepts, best tools, and first steps to automating repetitive t

5 IT Documentation Mistakes That Come Back to Haunt You
Poor IT documentation creates technical debt that compounds over time. Discover the five most costly documentation mistakes and practical strategies f

Ansible vs. Bash Scripts: Which Is Right for Your IT Automation?
Deciding between Ansible and Bash scripts for IT automation? This honest comparison covers use cases, trade-offs, and when each approach wins—helping

Building a Runbook That Actually Gets Used During Incidents
Most runbooks are ignored during incidents because they're poorly designed. Learn how to build runbooks that work under pressure—concise, accurate, an

Infrastructure as Code: Why Your Config Files Belong in Git
Infrastructure as code transforms server configuration from tribal knowledge into version-controlled assets. Learn why every IT team should manage con

IT Automation Fundamentals: Where to Start and What to Automate First
Not everything should be automated, and not everything can be. This guide helps IT professionals identify the highest-value automation targets and bui

Ansible for Beginners: Configuration Management Made Practical
Ansible is the most widely used configuration management tool in enterprise IT. This beginner's guide covers installation, your first playbook, invent

IT Documentation Best Practices: Writing Docs That Actually Get Read
Good IT documentation is the difference between a well-run environment and a team perpetually fighting fires. Practical guidance on what to document,

Monitoring and Observability: Building Visibility Into Your Systems
Monitoring tells you when something is wrong. Observability tells you why. This guide covers metrics, logs, traces, alerting strategy, and the tools u

Bash Scripting for Sysadmins: Practical Scripts You Will Actually Use
Bash remains the universal language of system administration. This guide covers the practical scripting patterns, error handling, and examples that sy

Docker for Beginners: Containerization Fundamentals Every Sysadmin Needs
Docker has transformed how applications are deployed and managed. This beginner's guide covers core concepts, essential commands, Dockerfile basics, a

Automating Server Provisioning with Ansible in 2026
A practical guide to automating server provisioning with Ansible playbooks, roles, and best practices for modern infrastructure.

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