Linux: Practical System Administration and Management

Linux: Practical System Administration and Management

English | May 20, 2019 | ISBN: 1099441889 | 141 Pages | AZW3 | 8.35 MB

Making Day-to-Day Administration and Maintenance a BreezeSystem administration is an aspect of Linux that is unavoidable. Even with the emergence of user friendly distributions like Ubuntu and Mint, a significant amount of user configuration is still required to keep a Linux system running on a daily basis. This book has been created to guide you through most scenarios you will encounter, whether you're new to system administration or have been maintaining systems for years.

In this book we take a detailed look at managing users and groups, we look at how to create a more secure system that will be less vulnerable to threats, as well as delving into the various aspects of managing filesystems and storage partitions. We also address specific topics such as working with hard and soft links, getting the most out of text processing, package management and architecture, utilizing shared libraries, manipulating processes for system optimization, as well as other essential topics every proficient Linux user and administrator needs to know.

What This Book OffersDetailed Practical Examples
Throughout the entire guide we provide practical examples with command line snippets and system screenshots to demonstrate how the aspects we discuss are applied on a real system. For complicated topics we also include step-by-step examples to guide you through a process every step of the way.

Dissected Commands
Command line instructions are broken down into their basic commands, with each component explained in detail, making learning easy and much more manageable. We also look at the various options and switches available for each command, along with accompanying examples.

Referenced GUI Tools
Graphical tools can make administering a Linux system much more enjoyable and hassle free. As such, we provide references to our recommended GUI options for many administrative functions, where available.

Key TopicsThe Linux Boot ProcessStartup and Boot OrderAlternative Boot LoadersReviewing the Boot ProcessCommands to Restart and Stop the System

    Hardware ManagementHardware DetectionUsing the /proc FilesystemCommand Line ToolsGraphical Tools
      Shared LibrariesNaming ConventionsIdentifying Referenced Libraries using lddIdentifying Referenced Libraries using objdump
        User and Group ManagementStorage of User and Group DataUser and Group Commands
          FilesystemsTypes of Commonly Used FilesystemsFilesystem Commands
            Disk Storage ManagementNaming the DevicesPrimary, Extended, and Logical Partitionsudev and dfMounting a FilesystemUnmounting a FilesystemAutomating Mount PointsSetting up New Partitions
              Working with LinksHard LinksSoft Links
                Text ProcessingText Processing CommandsCombining Commands
                  Package ManagementUnderstanding Package ArchitectureDay-to-Day Administration Tasks
                    Log FilesImportant Log FilesEssential Commands & Graphical Tools
                      Process ManagementWorking with Processes
                        System and Network SecurityOpen PortsLocal and Remote UsersRestricting Remote AccessUnused Software
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