Linux is an operating system in much the same way that Windows is an operating system (and there any similarities between Linux and Windows end). The term operating system is used to describe the software that acts as a layer between the hardware in a computer and the applications that we all run on a daily basis. When programmers write applications, they interface with the operating system to perform such tasks as writing files to the hard disk drive and displaying information on the screen. Without an operating system, every programmer would have to write code to directly access the hardware of the system. In addition, the programmer would have to be able to support every single piece of hardware ever created to be sure the application would work on every possible hardware configuration. Because the operating system handles all of this hardware complexity, application development becomes a much easier task. Linux is just one of a number of different operating...
Red Hat Enterprise Linux 8 Essentials
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Red Hat Enterprise Linux 8 Essentials
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Overview of this book
Red Hat Enterprise Linux 8 is one of the most secure and dependable operating systems available. For this reason, the ambitious system or network engineer will find a working knowledge of Red Hat Enterprise 8 to be an invaluable advantage in their respective fields.
This book, now updated for RHEL 8.1, begins with a history of Red Enterprise Linux and its installation. You will be virtually perform remote system administration tasks with cockpit web interface and write shell scripts to maintain server-based systems without desktop installation. Then, you will set up a firewall system using a secure shell and enable remote access to Gnome desktop environment with virtual network computing (VNC). You’ll share files between the Red Hat Enterprise Linux 8 (RHEL 8) and Windows System using Samba client and NFS. You will also run multiple guest operating systems using virtualization and Linux containers, and host websites using RHEL 8 by installing an Apache web server. Finally, you will create logical disks using logical volume management and implement swap space to maintain the performance of a RHEL 8 system.
By the end of this book, you will be armed with the skills and knowledge to install the RHEL 8 operating system and use it expertly.
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Red Hat Enterprise Linux 8 Essentials
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Table of Contents (32 chapters)
2. A Brief History of Red Hat Linux
3. Installing RHEL 8 on a Clean Disk Drive
4. Dual Booting RHEL 8 with Windows
5. Allocating Windows Disk Partitions to RHEL 8
6. A Guided Tour of the GNOME 3 Desktop
7. An Overview of the RHEL 8 Cockpit Web Interface
8. Using the Bash Shell on RHEL 8
9. Managing RHEL 8 Users and Groups
10. Understanding RHEL 8 Software Installation and Management
11. Configuring RHEL 8 systemd Units
12. RHEL 8 Network Management
13. Basic RHEL 8 Firewall Configuration with firewalld
14. Configuring SSH Key-based Authentication on RHEL 8
15. RHEL 8 Remote Desktop Access with VNC
16. Displaying RHEL 8 Applications Remotely (X11 Forwarding)
17. Using NFS to Share RHEL 8 Files with Remote Systems
18. Sharing Files between RHEL 8 and Windows Systems with Samba
19. An Overview of Virtualization Techniques
20. Installing KVM Virtualization on RHEL 8
21. Creating KVM Virtual Machines using Cockpit and virt-manager
22. Creating KVM Virtual Machines with virt-install and virsh
23. Creating a RHEL 8 KVM Networked Bridge Interface
24. Managing KVM using the virsh Command-Line Tool
25. An Introduction to Linux Containers
26. Working with Containers on RHEL 8
27. Setting Up a RHEL 8 Web Server
28. Configuring a RHEL 8 Postfix Email Server
29. Adding a New Disk Drive to a RHEL 8 System
30. Adding a New Disk to a RHEL 8 Volume Group and Logical Volume
31. Adding and Managing RHEL 8 Swap Space
Index
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