AUWENFIELD NOTES
JOHNNY AUWENFORGE
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AUWEN / FIELD NOTES

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Learn the mechanism, try it yourself, then troubleshoot it. Guides, command references and documented builds.

Learning libraryLESSONS / EXERCISES / ANSWERS
Learning paths + updatesCommand reference
9 PUBLISHED LESSONS

Mathematics: quantities, relationships, and models

Start with what numbers mean, then build toward arithmetic, fractions, symbols, and relationships.

Start learning →8 PUBLISHED LESSONS

Chemistry: matter, atoms, and reactions

Start with observations and simple particle pictures before learning formulas and calculations.

Start learning →8 PUBLISHED LESSONS

Physics: motion, energy, and waves

Start with measurements, models, and movement before working with forces and energy.

Start learning →12 PUBLISHED LESSONS

SQL lab: circuit inventory to activation handoff

Twelve small exercises using one circuit inventory. Find missing records, count readiness, and rehearse changes.

Start learning →4 PUBLISHED LESSONS

Windows Server & Active Directory

Understand identity, access, DNS, and policy before changing a domain.

Start learning →4 PUBLISHED LESSONS

Red Hat Enterprise Linux operations

RPM packages, systemd services, SELinux, and controlled maintenance.

Start learning →3 PUBLISHED LESSONS

Virtualization: Hyper-V & VMware

Understand hosts, guests, virtual networks, disks, and recovery boundaries.

Start learning →3 PUBLISHED LESSONS

Oracle: SQL*Plus, views & RMAN

Learn the difference between querying data and operating the database that stores it.

Start learning →4 PUBLISHED LESSONS

SQL Server administration

Inspect instances, database state, permissions, and the backup chain.

Start learning →3 PUBLISHED LESSONS

WildFly & JBoss application servers

Understand Java runtime, application deployment, management, and dependencies.

Start learning →3 PUBLISHED LESSONS

Splunk: search, fields & evidence

Turn events into an explainable operational view with SPL.

Start learning →3 PUBLISHED LESSONS

Network services & firewall diagnosis

Trace a connection through names, routes, transport, and application behavior.

Start learning →3 PUBLISHED LESSONS

Backups, data transfer & maintenance

Protect data, validate imports, and rehearse service recovery.

Start learning →3 PUBLISHED LESSONS

Office tools for operations

Use Excel, Word and PowerPoint to make reliable reports and usable runbooks.

Start learning →40 PUBLISHED LESSONS

Network engineering · field manual

Design, physical paths, carrier services, routing, security, service dependencies, measurement, fault isolation and recovery.

Start learning →5 PUBLISHED LESSONS

Python: first script to useful software

Learn how programs store information, make decisions, repeat work, and handle files.

Start learning →5 PUBLISHED LESSONS

Perl: text, files, and automation

Start with scalars and lists, then turn messy text into structured reports.

Start learning →5 PUBLISHED LESSONS

SQL across dialects

Learn relational thinking once, then compare the syntax each database actually accepts.

Start learning →33 PUBLISHED LESSONS

Networking: zero to CCNA

Understand a packet’s journey, build a small LAN, and develop a method for troubleshooting.

Start learning →7 PUBLISHED LESSONS

Docker: containers you can explain

Run, inspect, build, and reproduce a containerized service.

Start learning →7 PUBLISHED LESSONS

Kubernetes: from a pod to an operated service

Learn desired state, deployments, services, and basic diagnosis on a local cluster.

Start learning →8 PUBLISHED LESSONS

Linux Sysadmin Bible

A growing operations manual: inspect, change deliberately, verify, and recover.

Start learning →