Core Topics
Firewall with nftables
Modern firewall configuration with clean syntax, sets, and security-oriented defaults
System Observability
Comprehensive guide to Linux observability tools for troubleshooting and performance tuning
LVM Storage
Logical Volume Manager for flexible, scalable storage management
Ceph Distributed Storage
Enterprise-grade distributed storage and network migration procedures
Online Storage Resize
Safe, non-disruptive storage expansion for SAN, LVM, and filesystems
Why Linux Best Practices Matter
Proper Linux administration is the foundation of secure, reliable infrastructure. These practices help you:
- Prevent security incidents through proper firewall configuration and hardening
- Troubleshoot faster with comprehensive observability tools
- Scale efficiently using flexible storage solutions
- Minimize downtime through safe online operations
Recommended Learning Path
Start with Security
Begin with nftables firewall configuration to establish a secure foundation.
Build Observability
Learn the Linux observability toolkit for effective troubleshooting.
Master Storage Management
Understand LVM and online resize operations for flexible capacity management.
Scale with Distributed Storage
Explore Ceph for enterprise-grade distributed storage solutions.