- 1. Introduction
- 2. A Brief History of Linux
- 3. Installing Ubuntu on a Clean Disk Drive
- 3.1 Ubuntu Installation Options
- 3.2 Server vs. Desktop Editions
- 3.3 Obtaining the Ubuntu Installation Media
- 3.4 Writing the ISO Installation Image to a USB Drive
- 3.5 Booting from the Ubuntu USB Image
- 3.6 Installing Ubuntu
- 3.7 Accessing the Ubuntu Desktop
- 3.8 Installing Updates
- 3.9 Displaying Boot Messages
- 3.10 Summary
- 4. Installing Ubuntu with the Network Installer
- 5. Dual Booting Ubuntu with Windows
- 6. Allocating Windows Disk Partitions to Ubuntu
- 7. A Guided Tour of the GNOME 3 Desktop
- 7.1 Installing the GNOME Desktop
- 7.2 An Overview of the GNOME 3 Desktop
- 7.3 Launching Activities
- 7.4 Managing Windows
- 7.5 Using Workspaces
- 7.6 Calendar and Notifications
- 7.7 Desktop Settings
- 7.8 Customizing the Dash
- 7.9 Switching to Dark Mode
- 7.10 Installing Ubuntu Software
- 7.11 Beyond Basic Customization
- 7.12 Summary
- 8. An Overview of the Ubuntu Cockpit Web Interface
- 9. Using the Bash Shell on Ubuntu
- 9.1 What is a Shell?
- 9.2 Gaining Access to the Shell
- 9.3 Entering Commands at the Prompt
- 9.4 Getting Information about a Command
- 9.5 Bash Command-line Editing
- 9.6 Working with the Shell History
- 9.7 Filename Shorthand
- 9.8 Filename and Path Completion
- 9.9 Input and Output Redirection
- 9.10 Working with Pipes in the Bash Shell
- 9.11 Configuring Aliases
- 9.12 Environment Variables
- 9.13 Writing Shell Scripts
- 9.14 Summary
- 10. Managing Ubuntu Users and Groups
- 11. Managing Ubuntu systemd Units
- 11.1 Understanding Ubuntu systemd Targets
- 11.2 Understanding Ubuntu systemd Services
- 11.3 Ubuntu systemd Target Descriptions
- 11.4 Identifying and Configuring the Default Target
- 11.5 Understanding systemd Units and Unit Types
- 11.6 Dynamically Changing the Current Target
- 11.7 Enabling, Disabling and Masking systemd Units
- 11.8 Working with systemd Units in Cockpit
- 11.9 Summary
- 12. Ubuntu Software Package Management and Updates
- 13. Ubuntu Snap Package Management
- 14. Ubuntu Network Management
- 15. Ubuntu Firewall Basics
- 16. Using gufw and ufw to Configure an Ubuntu Firewall
- 17. Basic Ubuntu Firewall Configuration with firewalld
- 17.1 An Introduction to firewalld
- 17.2 Checking firewalld Status
- 17.3 Configuring Firewall Rules with firewall-cmd
- 17.3.1 Identifying and Changing the Default Zone
- 17.3.2 Displaying Zone Information
- 17.3.3 Adding and Removing Zone Services
- 17.3.4 Working with Port-based Rules
- 17.3.5 Creating a New Zone
- 17.3.6 Changing Zone/Interface Assignments
- 17.3.7 Masquerading
- 17.3.8 Adding ICMP Rules
- 17.3.9 Implementing Port Forwarding
- 17.4 Managing firewalld using firewall-config
- 17.5 Summary
- 18. Configuring SSH Key-based Authentication on Ubuntu
- 18.1 An Overview of Secure Shell (SSH)
- 18.2 SSH Key-based Authentication
- 18.3 Setting Up Key-based Authentication
- 18.4 Installing and Starting the SSH Service
- 18.5 SSH Key-based Authentication from Linux and macOS Clients
- 18.6 Managing Multiple Keys
- 18.7 SSH Key-based Authentication from Windows 10 Clients
- 18.8 SSH Key-based Authentication using PuTTY
- 18.9 Generating a Private Key with PuTTYgen
- 18.10 Installing the Public Key for a Google Cloud Instance
- 18.11 Summary
- 19. Ubuntu Remote Desktop Access with Vino
- 19.1 Remote Desktop Access Types
- 19.2 Secure and Insecure Remote Desktop Access
- 19.3 Enabling Remote Desktop Access on Ubuntu
- 19.4 Connecting to the Shared Desktop
- 19.5 Connecting from Non-Linux Clients
- 19.6 Establishing a Secure Remote Desktop Session
- 19.7 Establishing a Secure Tunnel on Windows using PuTTY
- 19.8 Summary
- 20. Ubuntu Remote Desktop Access with VNC
- 21. Displaying Ubuntu Applications Remotely (X11 Forwarding)
- 22. Using NFS to Share Ubuntu Files with Remote Systems
- 22.1 Ensuring NFS Services are running on Ubuntu
- 22.2 Configuring the Ubuntu Firewall to Allow NFS Traffic
- 22.3 Specifying the Folders to be Shared
- 22.4 Accessing Shared Ubuntu Folders
- 22.5 Mounting an NFS Filesystem on System Startup
- 22.6 Unmounting an NFS Mount Point
- 22.7 Accessing NFS Filesystems in Cockpit
- 22.8 Summary
- 23. Sharing Files between Ubuntu and Windows Systems with Samba
- 23.1 Accessing Windows Resources from the GNOME Desktop
- 23.2 Samba and Samba Client
- 23.3 Installing Samba on an Ubuntu System
- 23.4 Configuring the Ubuntu Firewall to Enable Samba
- 23.5 Configuring the smb.conf File
- 23.6 Creating a Samba User
- 23.7 Testing the smb.conf File
- 23.8 Starting the Samba and NetBIOS Name Services
- 23.9 Accessing Samba Shares
- 23.10 Accessing Windows Shares from Ubuntu
- 23.11 Summary
- 24. An Overview of Virtualization Techniques
- 25. Installing KVM Virtualization on Ubuntu
- 26. Creating KVM Virtual Machines using Cockpit and virt-manager
- 26.1 Installing the Cockpit Virtual Machines Module
- 26.2 Creating a Virtual Machine in Cockpit
- 26.3 Starting the Installation
- 26.4 Working with Storage Volumes and Storage Pools
- 26.5 Creating a Virtual Machine using virt-manager
- 26.6 Starting the Virtual Machine Manager
- 26.7 Configuring the KVM Virtual System
- 26.8 Starting the KVM Virtual Machine
- 26.9 Summary
- 27. Creating KVM Virtual Machines with virt-install and virsh
- 28. Creating an Ubuntu KVM Networked Bridge Interface
- 28.1 Identifying the Network Management System
- 28.2 Getting the Netplan Network Settings
- 28.3 Creating a Netplan Network Bridge
- 28.4 Getting the Current Network Manager Settings
- 28.5 Creating a Network Manager Bridge from the Command-Line
- 28.6 Declaring the KVM Bridged Network
- 28.7 Using a Bridge Network in a Virtual Machine
- 28.8 Creating a Bridge Network using nm-connection-editor
- 28.9 Summary
- 29. Managing KVM using the virsh Command-Line Tool
- 29.1 The virsh Shell and Command-Line
- 29.2 Listing Guest System Status
- 29.3 Starting a Guest System
- 29.4 Shutting Down a Guest System
- 29.5 Suspending and Resuming a Guest System
- 29.6 Saving and Restoring Guest Systems
- 29.7 Rebooting a Guest System
- 29.8 Configuring the Memory Assigned to a Guest OS
- 29.9 Summary
- 30. An Introduction to Linux Containers
- 31. Working with Containers on Ubuntu
- 32. Setting Up an Ubuntu Web Server
- 32.1 Requirements for Configuring an Ubuntu Web Server
- 32.2 Installing the Apache Web Server Packages
- 32.3 Configuring the Firewall
- 32.4 Port Forwarding
- 32.5 Starting the Apache Web Server
- 32.6 Testing the Web Server
- 32.7 Configuring the Apache Web Server for Your Domain
- 32.8 The Basics of a Secure Web Site
- 32.9 Configuring Apache for HTTPS
- 32.10 Obtaining an SSL Certificate
- 32.11 Summary
- 33. Configuring an Ubuntu Postfix Email Server
- 33.1 The structure of the Email System
- 33.2 Configuring an Ubuntu Email Server
- 33.3 Postfix Pre-Installation Steps
- 33.4 Firewall/Router Configuration
- 33.5 Installing Postfix on Ubuntu
- 33.6 Configuring Postfix
- 33.7 Configuring DNS MX Records
- 33.8 Starting Postfix on an Ubuntu System
- 33.9 Testing Postfix
- 33.10 Sending Mail via an SMTP Relay Server
- 33.11 Summary
- 34. Adding a New Disk Drive to an Ubuntu System
- 34.1 Mounted File Systems or Logical Volumes
- 34.2 Finding the New Hard Drive
- 34.3 Creating Linux Partitions
- 34.4 Creating a File System on a Disk Partition
- 34.5 An Overview of Journaled File Systems
- 34.6 Mounting a File System
- 34.7 Configuring Ubuntu to Automatically Mount a File System
- 34.8 Adding a Disk Using Cockpit
- 34.9 Summary
- 35. Adding a New Disk to an Ubuntu Volume Group and Logical Volume
- 36. Adding and Managing Ubuntu Swap Space
- 37. Ubuntu System and Process Monitoring
- Index
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