Hands-on Linux administration on Azure : develop, maintain, and automate applications on the Azure cloud platform

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Table of Contents
Preface
Chapter 1: Exploring the Microsoft Azure Cloud
	Fundamentals of Cloud Computing
		Virtualization
		SDDC
		SOA
		Cloud Services
		Cloud Types
	Understanding the Microsoft Azure Cloud
		A Brief History of the Microsoft Azure Cloud
		Azure Architecture
		Azure in Your Organization
		Azure and Open Source
	Summary
	Questions
	Further Reading
Chapter 2: Getting Started with the Azure Cloud
	Technical Requirements
	Getting Access to Azure
		Logging in Using the Azure portal
		Getting Command-line Access to Azure
		Installing the Azure CLI
		Logging in with the Azure CLI
		PowerShell
		Logging in with PowerShell
		Azure Resource Manager
	Linux and Azure
		Linux distributions
		Microsoft-endorsed Linux Distributions
	Deploying a Linux Virtual Machine
		Your First Virtual Machine
		Images
		Virtual Machine Sizing
		Virtual Machine Networking
		Virtual Machine Information
	Connecting to Linux
		Logging into Your Linux virtual machine Using Password Authentication
		Logging into your Linux Virtual Machine with an SSH private key
	Summary
	Questions
	Further Reading
Chapter 3: Basic Linux Administration
	The Linux Shell
		Executing Commands
		Command-line Editing
		Working with history
		Autocompletion
		Globbing
		Redirections
		Working with Variables
		Bash Configuration Files
	Getting Help
		Using the man pages
		Using info Documents
		Other Documentation
	Working with Text Files
		Reading Text
		Searching in Text Files
		Editing Text Files
	Finding Your Way in the Filesystem
		The Filesystem Hierarchy Standard
		Mounting Filesystems
		Finding Files on the Filesystem
	Process Management
		View Processes
		Sending Signals to a Process
	Discretionary Access Control
		User Management
		Group Management
		Login Management
	Summary
	Questions
	Further Reading
Chapter 4: Managing Azure
	Managing Azure Resources Using the Azure CLI and PowerShell
	Technical Requirements
	Managing Storage Resources
		Storage Accounts
		Managed Disks
		Azure Files
		Azure Blob
	Managing Network Resources
		Virtual Network
		Subnets
		Network Security Group
		Public IP Address and Network Interface
	Managing Compute Resources
	Virtual Machine Resources
		Azure Profile
		Resource Group
		Storage Account
		Virtual Networks
		Network Security Group
		Public IP Address and Network Interface
	Summary
	Questions
	Further Reading
Chapter 5: Advanced Linux Administration
	Technical Requirements
	Software Management
		The RPM Software Manager
		Software Management with YUM
		Software Management with DNF
		The DPKG Software Manager
		Software Management with apt
		Software Management with ZYpp
	Networking
		Identifying the Network Interfaces
		Identifying the IP Address
		Showing the Route Table
		Network Configuration
		Changes in the Network Configuration
		Hostname
		DNS
	Storage
		Storage Provided by Block Devices
		Adding a Data Disk
		Partitioning
		Filesystems in Linux
		The ext4 Filesystem
		The XFS Filesystem
		The ZFS Filesystem
		Linux Software RAID
		Stratis
	systemd
		Working with Units
		Services
		Targets
		Scheduled Tasks
		Mounting Local Filesystem
		Mounting Remote Filesystem
	Summary
	Questions
	Further Reading
Chapter 6: Managing Linux Security and Identities
	Linux Security Tips
	Technical Requirements
	DAC
		Introduction to DAC
		File Permissions in Linux
		Symbolic Method
		Absolute (Numeric) Node
	MAC
		LSM
		SELinux
		SELinux Configuration
		SELinux Context on Files
		SELinux Boolean
		AppArmor
		AppArmor Status
		Generating AppArmor Profiles
	firewalld and systemd
		firewalld Zones
		firewalld Services
		firewalld Network Sources
		systemd Security
		Restricting Access to the Filesystem
		Restricting Network Access
	Identity and Access Management in Azure – IAM
		Azure AD Domain Services
		Setting up Azure AD Domain Services
		Linux Configuration
		Hostname
		DNS Servers
		Installing Dependencies
		Joining the Domain – Ubuntu and RHEL/CentOS
		Joining the Domain – SUSE
		Logging in with Azure AD Credentials to the Linux VM
		Other Security Solutions in Azure
	Summary
	Questions
	Further Reading
Chapter 7: Deploying Your Virtual Machines
	Deployment Scenarios
		What Do You Need?
	Automated Deployment Options in Azure
		Scripting
		Automated Deployment with Azure Resource Manager
		Deploying ARM Templates Using PowerShell
		Deploying ARM Templates Using Bash
	Initial Configuration
		Initial Configuration with the Custom Script Extension
		Initial Configuration with cloud-init
	Vagrant
		Installing and Configuring Vagrant
		Deploying a VM with Vagrant
		Vagrant Provisioners
	Packer
		Installing and Configuring Packer
	Custom Virtual Machines and VHDs
		Creating a Managed Image
		An Alternative Method Using Snapshots
		Custom VHDs
	Summary
	Questions
	Further Reading
Chapter 8: Exploring Continuous Configuration Automation
	Technical Requirements
	Understanding Configuration Management
	Using Ansible
		Installation of Ansible
		SSH Configuration
		Bare-Minimum Configuration
		Inventory File
		Ansible Playbooks and Modules
		Authenticating to Microsoft Azure
		Resource Group
		Virtual Machine
		Azure Inventory Management in Ansible
	Using Terraform
		Installation
		Authenticating to Azure
		Deployment to Azure
		Deploying a Virtual Machine
	Using PowerShell DSC
		Azure Automation DSC
		Installing PowerShell DSC on Linux
		Creating a Desired State
		PowerShell DSC Resources
	Azure Policy Guest Configuration
		Guest Configuration Extension for Linux
		Commands
	Other Solutions
	Summary
	Questions
	Further Reading
Chapter 9: Container Virtualization in Azure
	Introduction to Container Technology
		History of Containers
		The chroot Environment
		OpenVZ
		LXC
	systemd-nspawn
		Creating a Container with debootstrap
		Creating a Container with yum
		systemd-firstboot
		Deploying the First Container
		Enabling a Container at Boot Time
	Docker
		Docker Installation
		Building Docker Images
		Docker Machine
		Docker Compose
		Docker Registry
	Azure Container Instances
	Azure Container Registry
		Using the Azure Portal
		Using the Azure CLI
	Buildah, Podman, and Skopeo
		History
		Installation
		Buildah
		Podman
		Skopeo
	Containers and Storage
	Summary
	Questions
	Further Reading
Chapter 10: Working with Azure Kubernetes Service
	Technical Requirements
		Using WSL and VS Code
		Installing Dependencies
		kubectl Installation
	Starting to Use AKS
		Creating a Cluster with the Azure CLI
		First Deployment in AKS
		Creating Services
		Multi-Container Pods
	Working with Helm
		Installing Helm
		Helm Repository Management
		Installing Applications with Helm
		Creating Helm Charts
	Working with Draft
		Installing Draft
		Using Draft
	Managing Kubernetes
		Updating Applications
		Scaling Applications
		Upgrading Kubernetes
	Persistent Storage
		Azure Disk for Kubernetes
		Azure Files for Kubernetes
	Summary
	Questions
	Further Reading
Chapter 11: Troubleshooting and Monitoring Your Workloads
	Technical Requirements
	Accessing Your System
		No Remote Access
		Working on the Port
		Using nftables
		Boot Diagnostics
		Logging in Linux
	Azure Log Analytics
		Configuring the Log Analytics Service
		Installing the Azure Log Analytics Agent
		Getting the Data
		Log Analytics and Kubernetes
		Log Analytics for Your Network
	Performance Monitoring
		Displaying Linux processes with top
		Top Alternatives
		Sysstat – a Collection of Performance-Monitoring Tools
		dstat
		Network stats with iproute2
		Network Monitoring with IPTraf-NG
		tcpdump
	Summary
	Questions
	Further Reading
Chapter 12: Appendix
Index