Catalog

Courses built for evidence, not vibes

Filters follow industry tags here because teams describe themselves that way during intake calls. Skill level, topic, duration, certification path, and learning format stay visible on each detail page.

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Industry focus

Linux Boot to Bash: First Production Habits

Move from ad-hoc commands to repeatable checks across users, permissions, and service units without breaking a live host.

Duration: 4 weeks · 36 lab hours
Format: Self-paced labs + weekly mentor checkpoints
Certification path: LPIC-1 aligned drills

Networking and Services on Enterprise Linux

Wire up DNS clients, firewalls, and reverse proxies with traceable changes and rollback notes.

Duration: 5 weeks · 42 lab hours
Format: Blended async + two live clinics
Certification path: RHCSA-style scenarios

Shell Automation without Fragile Scripts

Author maintainable bash, guardrails for cron/at, and small Makefiles that teams can inherit.

Duration: 4 weeks · 30 lab hours
Format: Self-paced labs
Certification path: Linux Foundation essentials bridge

Advanced

Untangle DAC, capabilities, and SELinux denials with a calm triage order.

Permissions, SELinux, and Sane Defaults

Duration: 5 weeks · 40 lab hours
Format: Instructor-led bootcamp weeks 1-2, async after
Certification path: Security specialty prep

Monitoring Stack Primer: Metrics that Ops Actually Read

Stand up Prometheus exporters, sane dashboards, and alert routes that do not wake people for vanity.

Duration: 4 weeks · 34 lab hours
Format: Self-paced labs + office hours
Certification path: SRE fundamentals path

systemd Rescue and Journal-Driven Triage

Practice emergency shells, generator units, and journal pivots that shorten outage narratives.

Duration: 3 weeks · 24 lab hours
Format: Intensive weekend labs
Certification path: RHCE troubleshooting emphasis

NFS, automount, and Shared Storage Footguns

Build reliable NFS exports, automount maps, and client tuning that survives reboots and staff churn.

Duration: 3 weeks · 22 lab hours
Format: Self-paced labs
Certification path: Advanced admin track

iptables to nftables: Controlled Migration Week

Translate rule intent, build nftables sets, and rehearse rollback windows with ops-friendly diffs.

Duration: 2 weeks · 16 lab hours
Format: Live working sessions
Certification path: Security specialty prep

I/O Behavior, Capacity Signals, and Honest Forecasting

Read iostat without panic, correlate block device noise, and write forecasts that survive leadership questions.

Duration: 4 weeks · 28 lab hours
Format: Async with two mentor reviews
Certification path: Cloud cost ops adjacent skills