In this chapter, our focus was on display managers, particularly XDM, KDM, GDM, and Lightdm. Also, the differences between a display manager and a desktop were identified. We began by working with XDM in a CentOS system. We focused on the directory where XDM is stored. In addition to this, we narrowed in on access control for XDM. Next, we switched our attention to KDM; KDM was dominant in Ubuntu distributions until it was later replaced. The methods of installing and configuring the system to use KDM were outlined. Following this, GDM was next on our agenda. We saw how GDM is being used practically in most Linux distributions. The difference in the name was highlighted when working in Ubuntu as opposed to a Fedora distribution. The steps to installing GDM were illustrated. Moreover, we also covered installing some desktops within the mix; this proven to be quite simple...
CompTIA Linux+ Certification Guide
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CompTIA Linux+ Certification Guide
By:
Overview of this book
The Linux+ certification provides a broad awareness of Linux operating systems, while giving professionals an upper hand in the IT industry. With this certification, you’ll be equipped with the all-important knowledge of installation, operation, administration, and troubleshooting services.
This CompTIA Linux+ Certification Guide will give you an overview of the system architecture. You’ll understand how to install and uninstall Linux distributions, followed by working with various package managers. You’ll then move on to manipulating files and processes at the command-line interface (CLI) and creating, monitoring, killing, restarting, and modifying processes.
As you progress, you’ll be equipped to work with display managers and learn how you can create, modify, and remove user accounts and groups, as well as understand how to automate tasks. The last set of chapters will help you configure dates and set up local and remote system logging. In addition to this, you’ll explore different internet protocols, and delve into network configuration, security administration, Shell scripting, and SQL management.
By the end of this book, you’ll not only have got to grips with all the modules you need to study for the LX0-103 and LX0-104 certification exams, but you’ll also be able to test your understanding with practice questions and mock exams.
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Current Title:
CompTIA Linux+ Certification Guide
Table of Contents (23 chapters)
Preface
Free Chapter
Configuring the Hardware Settings
Booting the System
Changing Runlevels and Boot Targets
Designing a Hard Disk Layout
Installing a Linux Distribution
Using Debian Package Management
Using YUM Package Management
Performing File Management
Creating, Monitoring, Killing, and Restarting Processes
Modifying Process Execution
Display Managers
Managing User and Group Accounts
Automating Tasks
Maintaining System Time and Logging
Fundamentals of Internet Protocol
Network Configuration and Troubleshooting
Performing Administrative Security Tasks
Shell Scripting and SQL Data Management
Mock Exam - 1
Mock Exam - 2
Assessment
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