10 Part 3: Advanced Admin Functions Chapter 17: Exploring Ubuntu Security Locking Down Root Using OpenSSH on Ubuntu The AppArmor System Network Security Using Firewalls The Bottom Line Chapter 18: Exploring Red Hat Security Working with Root Access Using SELinux Network Security Using Firewalls The Bottom Line Chapter 19: Writing Scripts Beginning a Shell Script Using Variables Adding Conditional Expressions Using Loops Using Functions The Bottom Line Chapter 20: Managing Web Servers Linux Web Servers The Apache Web Server The nginx Server The Bottom Line Chapter 21: Managing Database Servers Linux Database Servers Installing and Using MySQL/MariaDB Installing and Using PostgreSQL The Bottom Line Chapter 22: Exploring the Virtualization Environment Hypervisors Containers Software Packaging The Bottom Line
11 Appendix: The Bottom Line Chapter 1: Understanding the Basics Chapter 2: Installing an Ubuntu Server Chapter 3: Installing and Maintaining Software in Ubuntu Chapter 4: Installing a Red Hat Server Chapter 5: Installing and Maintaining Software in Red Hat Chapter 6: Working with the Shell Chapter 7: Exploring Linux File Management Chapter 8: Working with Text Files Chapter 9: Managing Hardware