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Summary 557
Further reading 
558
Chapter 20: Automating Cloud Deployments with Terraform 
559
Why it's important to automate your infrastructure 
560
Introduction to Terraform and how it can fit within your workflow 
561
Installing Terraform 
563
Automating an EC2 instance deployment 
568
Managing security groups with Terraform 
575
Using Terraform to destroy unused resources 
579
Combining Ansible with Terraform for a full deployment solution 
580

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Table of Contents
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 viii 
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Summary 584
Chapter 21: Securing Your Server 
585
Lowering your attack surface 
586
Understanding and responding to CVEs 
591
Installing security updates 
592
Automatically installing patches with the Canonical  
Livepatch service 
596
Monitoring Ubuntu servers with Canonical's Landscape service 
598
Securing OpenSSH 
603
Installing and configuring Fail2ban 
607
MariaDB best practices for secure database servers