Linux Server Cookbook: Get Hands-on Recipes to Install, Configure, and Administer a Linux Server Effectively

by Alberto Gonzalez

Length: 562 pages
Edition: 1
Language: English
Publisher: BPB Publications
Publication Date: 2023-02-10
ISBN-10: 9355513607
ISBN-13: 9789355513601
Sales Rank: #563006 (See Top 100 Books)

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Learn How to Implement Key System Administration Tasks in Linux

Key Features

Configure and use Linux network commands to analyze, maintain, and troubleshoot the network.
Get familiar with the most commonly used advanced commands required for administrating the Linux Server.
Explore new and trending services in the system administration domain.

Description

Linux is the most popular operating system in the IT industry due to its security and performance. In this book, you will get familiar with the most important and advanced concepts of Linux server administration.

The book begins by showing you how to install a Linux distribution and the different possibilities available depending on the end usage of it. After installation, the book shows how to manage your system, administrate users, and permissions, and how to install new software and configure the services. The book provides a review of the most common and useful CLI commands and will provide knowledge on how to manage files, directories, and processes. It explains how to install and administer advanced services like databases and file sharing. The book will then guide you through new technologies related to automation, containers, and continuous integration/delivery pipelines. Lastly, it will help you explore concepts such as Infrastructure as Code and Infrastructure as a Service and the usage of Linux on Public and Private clouds in detail with multiple examples.

By the end of the book, you will be able to use different open-source tools available on Linux to perform tasks.

What you will learn

Learn how to install a Linux distribution.
Explore advanced Network Configuration in Linux.
Configure firewall and network security in the Linux server.
Learn how to automate your system administration tasks.
Automate Linux Server Deployments with Terraform.

Who this book is for

This book is best suited for System administrators, Linux administrators, IT managers, Network engineers, Network administrators, and Security professionals.

Cover Page
Title Page
Copyright Page
Dedication Page
About the Authors
About the Reviewer
Acknowledgements
Preface
Errata
Table of Contents
1. Introduction to Linux
    Introduction
    Structure
    The magnitude of Linux
    Linux on key sectors of the IT industry
        Software
        Devices and infrastructures
        Information technology and business services
        Emerging technologies
        Telecommunications services
    Latest features in Linux
    Linux versus other operating systems
    Promising future of Linux
    Conclusion
    Key facts
    Questions
    Answers
2. Linux Installation
    Introduction
    Structure
    Linux support types
        Red hat enterprise Linux long-term support
        Ubuntu server long-term support
        SUSE Linux enterprise server long-term support
        Oracle Linux long-term support
    Installation methods
    Common installation steps
    Advanced installation steps
    Debian GNU/Linux
        Installation menu
        Select a language
        Select the location
        Configure the keyboard
        Configure the network
        Set up users and passwords
        Configure the clock
        Partition disks
        Install the base system and install software
        Install the GRUB boot loader
    Ubuntu server
        Installation menu
        Select installation language
        Keyboard configuration
        The base for the installation
        Network connections
        Configure the Ubuntu archive mirror
        Guided storage configuration
        Profile setup
        SSH setup
        Featured server snaps
    Red Hat Enterprise Linux
        Installation menu
        Select a language
        Installation summary
        Connect to Red Hat
        Installation destination
        Software selection
        Root password
        User creation
        Installation progress
    CentOS and CentOS stream
    Rocky Linux and Alma Linux
    SUSE Linux enterprise server and openSUSE
    Other popular distributions
    Conclusion
    Key facts
    Questions
    Answers
3. Using the Command Line Interface
    Introduction
    Structure
    Linux console and the prompt
    Use of basic first CLI commands
        Command pwd
        Command whoami
        Command hostname
        Command man
        Command cd
        Command history
        Command uptime
    CLI commands to identify resources
        Command lscpu
        Command lshw
        Command free
        Command df
        Commands lspci, lsusb, and lsblk
    CLI commands to list elements
        Command ls
        Command find
    Explanation of standard streams
    CLI commands for data stream
        Command echo
        Command read
        Command tee
    Conclusion
    Key facts
    Questions
    Answers
4. User Administration and Software Management
    Introduction
    Structure
    Introduction to users and groups
    Best practices for user accounts
    Commands to administrate users
        Command id
        Commands useradd and adduser
        Command usermod
        Command lslogins
        Commands who and w
        Command userdel
        Command passwd
        Command chage
        Command last
    Commands to manipulate groups
        Command groupadd
        Command groups
        Command groupmod
        Command groupdel
        Command gpasswd
        Command newgrp
    Introduction to RPM and DEB package formats
    Commands to operate with RPM packages
        Command rpm
        Commands yum and dnf
    Commands to operate with DEB packages
        Command dpkg
        Command apt-get, apt-cache, and apt-file
    Introduction to services
    Conclusion
    Key facts
    Questions
    Answers
5. Managing Files, Directories, and Processes
    Introduction
    Structure
    Linux directory structure
        Directories storing applications
        Directories storing user files
        Directories storing configurations
        Directories storing libraries
        Directories storing variable data
        Directories storing data for users
        Directories storing system data information and boot files
    Permissions
    Access to files and understanding files on Linux
        Commands chown and chgrp
        Command chmod
        Command cat
        Commands head and tail
    Special characters
    Regular expressions
        Commands grep
        Commands awk
        Formatting the output
    File editors and file managers
    Processes management
    Operate with processes priorities
    Conclusion
    Key facts
    Questions
    Answers
6. Monitoring System Resources
    Introduction
    Structure
    Monitoring CPU resources
        Obtaining CPU(s) information
        Understanding the system load and load average
        Command uptime and file /etc/loadavg
            Command top
        Commands atop and htop
        Command mpstat
            Command sar
            Command iostat
    Monitoring memory resources
        Command vmstat
        Commands top, htop, and atop
        Command sar
        Memory usage for each process
        Out of memory management
    Monitoring disk usage and available space
        Command iostat
        Command iotop
        Command atop
        Command smartctl
        Commands fio and hdparm
        Commands df and LVM commands
    Monitoring network resources
        Command ethtool
        Command nmon
        Commands traceroute, tracepath, and mtr
    Quotas and limits
        Quotas
        Limits
    Conclusion
    Key facts
    Questions
    Answers
7. Network Configuration
    Introduction
    Structure
    Network introduction
        Physical layer (Layer 1)
        Data link layer (Layer 2)
        Network layer (Layer 3)
        Transport layer (Layer 4)
        Session, presentation, and application layers (Layers 5, 6, and 7)
    Basic network configuration
        Network configuration on Red Hat-based systems
            Command nmcli
            Command nmtui
        Network configuration on Debian and Ubuntu
    Routing
    Advanced network configuration
        Link aggregation (bonding)
            Network bridges
            Virtual LANs (VLANs)
    Conclusion
    Key facts
    Questions
    Answers
8. Security
    Introduction
    Structure
    Security introduction
    Firewall configuration on Linux
        Firewalld
        ufw
        Masquerading
    Services security
        Disabling not needed services
        Listing services listening in all interfaces
        Service logging
        Intrusion detection system
        Security models
    Network monitoring
    Conclusion
    Key facts
    Questions
    Answers
9. Network Services
    Introduction
    Structure
    DHCP service and client
        Linux DHCP servers and client
    DNS service and clients
        Linux DNS servers and client
    SSH service and SSH client
        SSH public and private keys
    Check network services available
    Other popular network services
    Conclusion
    Key facts
    Questions
    Answers
10. File Sharing
    Introduction
    Structure
    NFS service and client
        NFS server
            NFS client
    SMB introduction
    Samba server and client
        Samba Server
        Samba client
    FTP server and client
    TFTP introduction
    Conclusion
    Key facts
    Questions
    Answers
11. Databases
    Introduction
    Structure
    Relational databases
    Structured Query Language (SQL)
        CREATE statement
        DROP statement
        ALTER statement
        INSERT statement
        SELECT statement
        UPDATE statement
        DELETE statement
        GRANT statement
        REVOKE statement
    MariaDB server
        MariaDB client and tasks
    SQLite
    NoSQL databases
    MongoDB databases
    MongoDB client and tasks
    Conclusion
    Key facts
    Questions
    Answers
12. Automation
    Introduction
    Structure
    Introduction to IT automation
    Automation with shell scripting
    Automation with Python
    Automation with Ansible
        Inventory
            AD-HOC actions
        YAML
        Ansible configuration
        Playbooks
        Variables
        Variable precedence
        Handlers
        Include and import
        Facts and magic variables
        Conditionals
        Loops
        Register
        Templates
        Blocks
        List of popular modules
        Roles
        Collections
        Ansible Galaxy
    Conclusion
    Key facts
    Questions
    Answers
13. Containers and CI/CD
    Introduction
    Structure
    Introduction to containers and images
        Containers versus virtualization
        Container content
        Images
        Image registry
    Docker
        Run the first container
        Obtain information about client and server
        Operate with containers
        Exposing containers
        Container actions
        Docker server statistics and events
    Image registry
    Podman
    Container runtimes
    Kubernetes
    Introduction to continuous integration/delivery
    Jenkins, Gitlab CI/CD, and Github actions
        Jenkins
        Gitlab CI/CD
        GitHub actions
    Conclusion
    Key facts
    Questions
    Answers
14. Backup and Restore
    Introduction
    Structure
    Introduction to backup and restore
    Storage media for Backups
    Backup types
    Backup sources
    Backup strategies
    Backup solution features
    Bacula
        Bacula installation
        Bacula services
        Client installation
        Command bconsole
    Relax-and-Recover (ReaR)
    Conclusion
    Key facts
    Questions
    Answers
15. Multi Cloud Management
    Introduction
    Structure
    Introduction to cloud providers
        Advantages
    Cloud services
        Amazon Web Services (AWS)
        Microsoft Azure
        Google Cloud Platform
        Alibaba Cloud
        OpenStack
    Multi cloud management
    Infrastructure as code
    Terraform
        Installation
        Running a simple Web server on AWS
        Running a simple Web server on the Google Cloud Platform
        Running a simple Web server on Microsoft Azure
        Configuring DNS with Cloudflare
    Conclusion
    Key facts
    Questions
    Answers
16. Infrastructure as a Service
    Introduction
    Structure
    Infrastructure as a Service
    Private Cloud
    Hybrid Cloud
    OpenStack as an IaaS
    Running virtual machines on OpenStack
        Images
        Flavors
        Networking architecture
        Networking for Virtual Machines
        Routing
        Security Groups
        Public key
        Virtual Machines
        Floating IPs
        Persistent storage
        Orchestration
        Dashboard
    Conclusion
    Key facts
    Questions
    Answers
Index