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Fedora 31 Essentials

You're reading from   Fedora 31 Essentials Learn how to install, administer, and deploy Fedora 31 systems

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Product type Paperback
Published in Apr 2020
Publisher Packt
ISBN-13 9781800562790
Length 271 pages
Edition 1st Edition
Tools
Concepts
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Author (1):
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Neil Smyth Neil Smyth
Author Profile Icon Neil Smyth
Neil Smyth
Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor’s degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
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Table of Contents (32) Chapters Close

1. Introduction 2. A Brief History of Linux FREE CHAPTER 3. Installing Fedora 31 on a Clean Disk Drive 4. Dual Booting Fedora 31 with Windows 5. Allocating Windows Disk Partitions to Fedora 31 6. A Guided Tour of the GNOME 3 Desktop 7. An Overview of the Fedora 31 Cockpit Web Interface 8. Using the Bash Shell on Fedora 31 9. Managing Fedora 31 Users and Groups 10. Understanding Fedora 31 Software Installation and Management 11. Configuring Fedora 31 systemd Units 12. Fedora 31 Network Management 13. Basic Fedora 31 Firewall Configuration with firewalld 14. Configuring SSH Key-based Authentication on Fedora 31 15. Fedora 31 Remote Desktop Access with VNC 16. Displaying Fedora 31 Applications Remotely (X11 Forwarding) 17. Using NFS to Share Fedora 31 Files with Remote Systems 18. Sharing Files between Fedora 31 and Windows Systems with Samba 19. An Overview of Virtualization Techniques 20. Installing KVM Virtualization on Fedora 31 21. Creating KVM Virtual Machines using Cockpit and virt-manager 22. Creating KVM Virtual Machines with virt-install and virsh 23. Creating a Fedora 31 KVM Networked Bridge Interface 24. Managing KVM using the virsh Command-Line Tool 25. An Introduction to Linux Containers 26. Working with Containers on Fedora 31 27. Setting Up a Fedora 31 Web Server 28. Configuring a Fedora 31 Postfix Email Server 29. Adding a New Disk Drive to a Fedora 31 System 30. Adding a New Disk to a Fedora 31 Volume Group and Logical Volume 31. Adding and Managing Fedora 31 Swap Space Index

28.5 Installing Postfix on Fedora 31

By default, the Fedora 31 installation process installs postfix for most configurations. To verify if postfix is already installed, use the following rpm command:

# rpm -q postfix

If rpm reports that postfix is not installed, it may be installed as follows:

# dnf install postfix

The dnf tool will download and install postfix, and configure a special postfix user in the /etc/passwd file.

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Authors (1)

Profile icon Neil Smyth
Neil Smyth
Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor's degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
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