Linux — DigiPad Course

What you will learn

• Linux Architecture
• Shell and Command-Line Model
• Filesystem and Paths
• File and Text Manipulation
• Redirection, Streams and Unix Composition
• Users, Groups and Identity
• Permissions and Access Control
• Processes
• systemd and Service Management
• Logging and Journaling
• Software and Package Management
• Storage Fundamentals
• Advanced Storage
• Boot Process
• Kernel and Hardware
• Memory and Performance
• Networking Foundations
• Advanced Networking
• Remote Administration
• Bash Scripting
• Shell Automation
• Scheduled Work
• Environment and Configuration
• Archiving, Compression and Backup
• File Sharing and Network Services
• Databases on Linux
• Virtualization
• Containers
• Kubernetes Foundations
• Cloud Linux
• Configuration Management
• Infrastructure as Code
• DevOps Toolchain on Linux
• Observability
• System Administration
• System Troubleshooting: The Diagnostic Loop
• Linux Security Foundations
• Firewalls and Host Network Security
• SELinux and AppArmor
• Security Hardening
• Auditing and Forensic Readiness
• Incident Response on Linux
• Cryptography and PKI
• Linux Development Environment
• Linux Internals
• Performance Engineering
• High Availability and Resilience
• Enterprise Linux
• Certification Mappings
• Advanced Security: Ethical Hacking and Penetration Testing

Try the Coach free — no signup required

Every visitor gets 100 free Coach tokens in their browser to try the OSB Coach on this Arc. That covers roughly 20 Coach interactions on the Fast tier — plenty to get a real feel for how the Coach guides you, captures your commitments, and follows up.

• Fast tier (free, default) — 5 tokens per signal. ~20 interactions on the starter allowance.
• Balanced tier — 4× cost, deeper context. Best when you're working through tough moments.
• Deep tier — 8× cost, fullest reasoning. Reserved for genuinely hard calls.

What you get when you buy

Includes 750 OSB Coach tokens credited to your account on purchase. Tokens never expire and roll over across Arcs — they're a wallet, not a subscription. Coach memory, commitments, and check-ins all flow on top.

The Coach is delivered by OSB Coach, our digitally-created coaching system. AI is the engine; the Coach is the product.

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