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Ubuntu 20.04 Essentials
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Index
Forbeginners,thebookcoverstopicssuchasoperatingsysteminstallation,thebasicsoftheGNOMEdesktopenvironment,configuringemailandwebservers,andinstallingpackagesandsystemupdates.AdditionalinstallationtopicssuchasdualbootingwithMicrosoftWindowsarealsocoveredalongwithcrucialsecuritytopicssuchasconfiguringafirewallanduserandgroupadministration.Fortheexperienceduser,thebookdelvesintotopicssuchasremotedesktopaccess,theCockpitwebinterface,logicalvolumemanagement(LVM),diskpartitioning,andswapmanagement.Further,italsoexploresKVMvirtualization,SecureShell(SSH),Linuxcontainers,andfilesharingusingbothSambaandNFStoprovideathoroughoverviewofthisenterprise-classoperatingsystem.
目錄(328章)
倒序
- 封面
- 版權信息
- 1. Introduction
- 1.1 Superuser Conventions
- 1.2 Opening a Terminal Window
- 1.3 Editing Files
- 1.4 Feedback
- 1.5 Errata
- 2. A Brief History of Linux
- 2.1 What exactly is Linux?
- 2.2 UNIX Origins
- 2.3 Who Created Linux?
- 2.4 The History of Ubuntu
- 2.5 What does the word “Ubuntu” Mean?
- 2.6 Summary
- 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
- 4.1 Network Installer Advantages
- 4.2 Obtaining the Network Installer Image
- 4.3 Booting from the Installer Image
- 4.4 Performing the Installation
- 4.5 Disk Partitioning
- 4.6 Software Collection Selection
- 4.7 Installing Software Collections After System Setup
- 4.8 Summary
- 5. Dual Booting Ubuntu with Windows
- 5.1 Beginning the Ubuntu Installation
- 5.2 Booting Ubuntu for the First Time
- 5.3 Changing the Default Boot Option
- 5.4 Accessing the Windows Partition from the Command-line
- 5.5 Accessing the Windows Partition from the Desktop
- 5.6 Summary
- 6. Allocating Windows Disk Partitions to Ubuntu
- 6.1 Unmounting the Windows Partition
- 6.2 Deleting the Windows Partitions from the Disk
- 6.3 Formatting the Unallocated Disk Partition
- 6.4 Mounting the New Partition
- 6.5 Editing the Boot Menu
- 6.6 Using the GNOME Disks Utility
- 6.7 Summary
- 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
- 8.1 An Overview of Cockpit
- 8.2 Installing and Enabling Cockpit
- 8.3 Accessing Cockpit
- 8.4 Overview
- 8.5 Logs
- 8.6 Storage
- 8.7 Networking
- 8.8 Accounts
- 8.9 Services
- 8.10 Applications
- 8.11 Virtual Machines
- 8.12 Software Updates
- 8.13 Terminal
- 8.14 Connecting to Multiple Servers
- 8.15 Summary
- 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
- 10.1 User Management from the Command-line
- 10.2 User Management with Cockpit
- 10.3 User Management using the Settings App
- 10.4 Summary
- 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
- 12.1 Repositories
- 12.2 Managing Repositories with Software & Updates
- 12.3 Managing Packages with APT
- 12.4 Performing Updates
- 12.5 Enabling Automatic Updates
- 12.6 Enabling Livepatch
- 12.7 Summary
- 13. Ubuntu Snap Package Management
- 13.1 Managing Software with Snap
- 13.2 Basic Snap Commands
- 13.3 Working with Snap Channels
- 13.4 Snap Refresh Schedule
- 13.5 Snap Services
- 13.6 Summary
- 14. Ubuntu Network Management
- 14.1 An Introduction to NetworkManager
- 14.2 Installing and Enabling NetworkManager
- 14.3 Basic nmcli Commands
- 14.4 Working with Connection Profiles
- 14.5 Interactive Editing
- 14.6 Configuring NetworkManager Permissions
- 14.7 Summary
- 15. Ubuntu Firewall Basics
- 15.1 Understanding Ports and Services
- 15.2 Securing Ports and Services
- 15.3 Ubuntu Services and iptables Rules
- 15.4 Well Known Ports and Services
- 15.5 Summary
- 16. Using gufw and ufw to Configure an Ubuntu Firewall
- 16.1 An Overview of gufw and ufw
- 16.2 Installing gufw on Ubuntu
- 16.3 Running and Enabling gufw
- 16.4 Creating a New Profile
- 16.5 Adding Preconfigured Firewall Rules
- 16.6 Adding Simple Firewall Rules
- 16.7 Adding Advanced Rules
- 16.8 Configuring the Firewall from the Command Line using ufw
- 16.9 Summary
- 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
- 17.4 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
- 20.1 Installing the GNOME Desktop Environment
- 20.2 Installing VNC on Ubuntu
- 20.3 Configuring the VNC Server
- 20.4 Starting the VNC Server
- 20.5 Connecting to a VNC Server
- 20.6 Summary
- 21. Displaying Ubuntu Applications Remotely (X11 Forwarding)
- 21.1 Requirements for Remotely Displaying Ubuntu Applications
- 21.2 Remotely Displaying an Ubuntu Application
- 21.3 Trusted X11 Forwarding
- 21.4 Compressed X11 Forwarding
- 21.5 Displaying Remote Ubuntu Apps on Windows
- 21.6 Summary
- 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
- 24.1 Guest Operating System Virtualization
- 24.2 Hypervisor Virtualization
- 24.3 Virtual Machine Networking
- 24.4 Summary
- 25. Installing KVM Virtualization on Ubuntu
- 25.1 An Overview of KVM
- 25.2 KVM Hardware Requirements
- 25.3 Preparing Ubuntu for KVM Virtualization
- 25.4 Verifying the KVM Installation
- 25.5 Summary
- 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
- 27.1 Running virt-install to build a KVM Guest System
- 27.2 An Example Ubuntu virt-install Command
- 27.3 Starting and Stopping a Virtual Machine from the Command-Line
- 27.4 Creating a Virtual Machine from a Configuration File
- 27.5 Summary
- 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
- 30.1 Linux Containers and Kernel Sharing
- 30.2 Container Uses and Advantages
- 30.3 Ubuntu Container Tools
- 30.4 The Docker Registry
- 30.5 Container Networking
- 30.6 Summary
- 31. Working with Containers on Ubuntu
- 31.1 Installing the Container Tools
- 31.2 Pulling a Container Image
- 31.3 Running the Image in a Container
- 31.4 Managing a Container
- 31.5 Saving a Container to an Image
- 31.6 Removing an Image from Local Storage
- 31.7 Removing Containers
- 31.8 Building a Container with Buildah
- 31.9 Summary
- 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
- 35.1 An Overview of Logical Volume Management (LVM)
- 35.2 Getting Information about Logical Volumes
- 35.3 Adding Additional Space to a Volume Group from the Command-Line
- 35.4 Summary
- 36. Adding and Managing Ubuntu Swap Space
- 36.1 What is Swap Space?
- 36.2 Recommended Swap Space for Ubuntu
- 36.3 Identifying Current Swap Space Usage
- 36.4 Adding a Swap File to an Ubuntu System
- 36.5 Adding Swap as a Partition
- 36.6 Adding Space to an Ubuntu LVM Swap Volume
- 36.7 Adding Swap Space to the Volume Group
- 36.8 Summary
- 37. Ubuntu System and Process Monitoring
- 37.1 Managing Processes
- 37.2 Real-time System Monitoring with htop
- 37.3 Command-Line Disk and Swap Space Monitoring
- 37.4 Summary
- Index 更新時間：2021-06-11 17:40:29
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