All topics
Every guide on the site, grouped by topic. 144 articles and counting.
Skills and Careers
Build your skills and your IT career.
IT Careers
- A Guide to Building a Career in IT: Tips and Advice
- A Guide to Building a Career in Cybersecurity: Tips and Advice
- Entry-Level IT Jobs and What They Involve
- How to Choose the Right IT Certification for Your Career
- How to Write a Compelling IT Resume: Tips and Best Practices
- Moving From Help Desk to Specialist Roles
- Remote Work in IT Pros and Cons
Tech Foundations
- How to Build a Website from Scratch: A Step-by-Step Guide
- Essential Skills for IT Professionals: A Tutorial on Networking Fundamentals
- How to Create a Mobile App: A Step-by-Step Guide
- How to Create a Mobile-Friendly Website: A Step-by-Step Guide
- Mastering Python: A Comprehensive Tutorial for Beginners
- The Benefits of Cloud Computing: A Tutorial on Migration and Management
IT Workplace Skills
- Soft Skills Every IT Professional Needs
- Building a Home Lab to Practice Skills
- Explaining Technical Problems to Non-Technical People
- Handling Difficult Calls at the Help Desk
- Preparing for an IT Job Interview
- Time Management for On-Call and Support Work
- Troubleshooting Methodically
- Working With Change Requests and Approvals
- Writing Clear Documentation and Knowledge Base Articles
Automation and DevOps
- DevOps Explained in Plain Language
- Automating Repetitive IT Tasks With Scripts
- Configuration Management Basics
- Continuous Integration and Delivery Explained
- Infrastructure as Code in Simple Terms
- Introduction to APIs for Non-Developers
- Monitoring and Alerting Basics
- Version Control With Git for Beginners
- Writing Your First Shell or Batch Script
Running IT
Security, operations, governance and projects.
Cybersecurity Basics
IT Operations
- The Importance of IT Service Management: A Tutorial on Incident Management
- Hardware Lifecycle and Refresh Planning
- How to Implement a Successful IT Help Desk: Tips and Best Practices
- The Benefits of IT Asset Management: A Tutorial on Tracking and Disposal
- The Benefits of ITIL: A Tutorial on Service Management Frameworks
- Ticket Prioritization With Impact and Urgency
- Writing Service Level Agreements That People Understand
Governance and Policy
- The Importance of IT Governance: A Tutorial on Compliance and Risk Management
- A Guide to Creating Effective IT Policies and Procedures
- A Guide to Creating Effective IT Training Programs: Tips and Best Practices
- A Guide to Creating Engaging IT Training Videos
- The Importance of IT Risk Management: A Tutorial on Compliance and Risk Assessment
Projects and Vendors
Identity and Access
- Identity and Access Management Explained
- Authentication Versus Authorization
- How Multi-Factor Sign-In Works
- Managing Shared and Service Accounts
- Onboarding and Offboarding Accounts Safely
- Role-Based Access Control in Plain Language
- Running an Access Review
- Single Sign-On for Everyday Users
- The Principle of Least Privilege
Incident Response
- Incident Response Basics for IT Teams
- Containing an Incident Without Making It Worse
- How to Write an Incident Response Plan
- Malware Types Explained
- Recognizing the Signs of a Compromised Account
- Running a Post-Incident Review
- Security Awareness Training for Staff
- Understanding Phishing and Social Engineering
- Vulnerability Scanning and Patching Priorities
Privacy and Data Protection
- Data Privacy Basics for IT Staff
- An Overview of Privacy Regulations
- Data Classification Levels Explained
- Data Minimization in Practice
- Encryption at Rest and in Transit
- Handling Data Subject Requests
- Privacy Impact Assessments Explained
- Sharing Data With Third Parties Responsibly
- What Counts as Personal Data
Data and Technology
Analytics, industry use and future trends.
Data and Analytics
- The Power of Big Data: A Tutorial on Data Mining and Visualization
- Choosing the Right Chart for Your Data
- The Art of Data Analysis: A Tutorial on Statistical Modeling
- The Power of Business Intelligence: A Tutorial on Data Analysis and Reporting
- The Power of Data Visualization: A Tutorial on Creating Interactive Dashboards
IT in Industry
- How IT Supports Different Industries
- The Impact of IT on Customer Service: A Tutorial on Chatbots and Self-Service Portals
- The Impact of IT on Education: A Tutorial on Online Learning Platforms
- The Impact of IT on Human Resources: A Tutorial on Recruitment and Talent Management
- The Role of IT in Finance: A Tutorial on Financial Management Systems
- The Role of IT in Healthcare: A Tutorial on Electronic Medical Records
- The Role of IT in Marketing: A Tutorial on Digital Marketing Strategies
- The Role of IT in Research and Development: A Tutorial on Innovation and Collaboration
- The Role of IT in Supply Chain Management: A Tutorial on Inventory Control
Future Tech
- The Future of IT: Emerging Trends and Innovations
- The Future of Artificial Intelligence: A Tutorial on Machine Learning Applications
- The Future of Cybersecurity: Emerging Threats and Solutions
- The Future of Technology: Emerging Trends and Innovations
- The Impact of Blockchain on Business: A Tutorial on Its Applications
- What the Internet of Things Means for IT Teams
Databases and SQL
- Databases Explained for Beginners
- Cleaning Messy Data Before Analysis
- Data Warehouses and Data Lakes Compared
- Database Indexes and Query Speed
- Database Normalization Made Simple
- Relational Databases and Tables in Plain Language
- Relational Versus NoSQL Databases
- SQL Joins Explained With Everyday Examples
- Your First SQL Queries
Systems and Infrastructure
How operating systems, networks, cloud services and backups fit together.
Operating Systems and Servers
- Operating Systems Explained for Beginners
- A Plain Guide to Command Line Basics
- How File Systems Organize Your Data
- Managing Startup Programs and Background Services
- Reading Logs to Find Out What Went Wrong
- Server Basics for Non-Specialists
- Understanding Patch Management and Software Updates
- What Virtual Machines Are and When People Use Them
- Windows, macOS and Linux Compared in General Terms
Network Infrastructure
- How Networks Fit Together From Router to Wireless Access
- A Beginner Guide to Subnets and Network Addressing
- Bandwidth, Latency and Packet Loss Explained
- How Firewalls Filter Traffic
- Routers, Switches and Access Points Compared
- Troubleshooting a Slow Network Step by Step
- Understanding Wi-Fi Standards, Channels and Interference
- What a VPN Does and What It Does Not
- What an IP Address Is and How DNS Finds It
Cloud Fundamentals
- Cloud Computing Explained Without the Jargon
- Cloud Storage Types in Plain Language
- IaaS, PaaS and SaaS Compared
- Planning for Vendor Lock-In in Cloud Choices
- Public, Private and Hybrid Cloud Models
- Serverless Computing for Beginners
- The Shared Responsibility Idea in Cloud Security
- Understanding Cloud Costs and Why Bills Surprise People
- What Containers Are and How They Differ From Virtual Machines
Backup and Recovery
- Backup and Recovery Basics for Small Organizations
- Building a Disaster Recovery Plan
- Business Continuity Versus Disaster Recovery
- Data Retention Schedules and Secure Deletion
- Full, Incremental and Differential Backups Compared
- How to Test a Backup Before You Need It
- Protecting Backups From Ransomware
- Recovery Time and Recovery Point Objectives
- The 3-2-1 Backup Rule Explained