Linux: System Administration and Practical Management Guidelines
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Linux: System Administration and Practical Management Guidelines
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Making Day-to-Day Administration and Maintenance a Breeze
System 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 Offers
Detailed 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 Topics
The Linux Boot Process
Startup and Boot Order
Alternative Boot Loaders
Reviewing the Boot Process
Commands to Restart and Stop the System
Hardware Management
Hardware Detection
Using the /proc Filesystem
Command Line Tools
Graphical Tools
Shared Libraries
Naming Conventions
Identifying Referenced Libraries using ldd
Identifying Referenced Libraries using objdump
User and Group Management
Storage of User and Group Data
User and Group Commands
Filesystems
Types of Commonly Used Filesystems
Filesystem Commands
Disk Storage Management
Naming the Devices
Primary, Extended, and Logical Partitions
udev and df
Mounting a Filesystem
Unmounting a Filesystem
Automating Mount Points
Setting up New Partitions
Working with Links
Hard Links
Soft Links
Text Processing
Text Processing Commands
Combining Commands
Package Management
Understanding Package Architecture
Day-to-Day Administration Tasks
Log Files
Important Log Files
Essential Commands & Graphical Tools
Process Management
Working with Processes
System and Network Security
Open Ports
Local and Remote Users
Restricting Remote Access
Unused Software
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