// aerogravitation.dev — technical learning platform

Learn to
speak to
machines.

Hands-on technical courses for developers and analysts. Write real code, run it in the browser, get instant feedback. No setup. No fluff.

Start SQL Course Browse All Courses
56+
Lessons
4
Courses
0ms
Setup Time
100%
In-Browser
// courses

Everything you need.
More arriving soon.

🗄️
Live
SQL.learn
Master SQL from first query to recursive CTEs. Interactive lessons with a real in-browser database — write queries, see results instantly.
📚 8 modules⚡ 30+ lessons→
🖥️
Live
Hyper-V.learn
From bare-metal hypervisor theory to production deployments. Hardware requirements, virtual switches, VM provisioning, checkpoints, and Live Migration — with real PowerShell commands throughout.
📚 4 modules⚡ 8 lessons→
🏢
Live
Datacenter.learn
Datacenter fundamentals, spine-leaf topology, HCI and Storage Spaces Direct, SAN vs NAS vs object storage, and disaster recovery — RTO, RPO, Hyper-V Replica, and more.
📚 4 modules⚡ 9 lessons→
🌐
Live
Networking.learn
OSI model, IPv4 addressing, subnetting (with an interactive calculator), VLANs, inter-VLAN routing, routing protocols, DNS, DHCP, firewalls, and DMZ architecture.
📚 5 modules⚡ 9 lessons→
＋
More coming
More courses are in development. Topics under consideration include Active Directory, Windows Server administration, and cloud fundamentals.
In development
// curriculum overview

Four courses.
One platform.

SQL — Basic to AdvancedSELECT through recursive CTEs, window functions, subqueries, data modification, and CASE WHEN.
Hyper-V — Installation & ProductionHardware requirements, enabling Hyper-V, virtual switches, VM provisioning, checkpoints, and security hardening.
Datacenter FundamentalsUptime tiers, hot/cold aisles, spine-leaf topology, SAN vs NAS vs object storage.
HCI & Storage Spaces DirectHow HCI works, S2D architecture, Azure Stack HCI, resiliency settings, and deployment steps.
Networking FoundationsOSI model, IPv4 addressing, private ranges, binary and subnet mask concepts.
Subnetting (with live calculator)CIDR notation, subnet math, splitting networks — plus an interactive in-browser calculator.
VLANs & Inter-VLAN RoutingAccess vs trunk ports, 802.1Q tagging, SVIs on Layer 3 switches, and native VLAN security.
Routing, DNS & DHCPStatic routes, OSPF, BGP overview, DNS record types, DORA process, and rogue DHCP protection.
Firewalls & DMZ ArchitectureStateful vs NGFW, DMZ design, default-deny rules, and least-privilege firewall policy.
⚡
Zero Setup
Every course runs entirely in your browser. No terminal, no installs, no cloud sign-up. Open the page and start writing real code immediately.
🎯
Challenge-Based
Each lesson ends with a real challenge. Write the query, run it, and check your answer. Instant feedback tells you exactly what to fix.
📈
Progressive
Courses build concept on concept. Every idea is earned before the next one arrives. Your progress is tracked throughout.