book

Mastering Ubuntu Server - Fourth Edition

Name: Mastering Ubuntu Server - Fourth Edition
Author: Jay LaCroix
ISBN: 9781803234243

by Jay LaCroix

September 2022

Beginner

584 pages

18h 15m

English

Packt Publishing

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Preface
Who this book is forWhat this book coversTo get the most out of this bookShare your thoughts
Deploying Ubuntu Server
Technical requirementsDetermining your server’s roleChoosing a device for our serverPhysical serverPhysical desktopLaptopVirtual machineVirtual private serverRaspberry PiObtaining installation mediaCreating a bootable flash drivePlanning the partitioning layoutInstalling Ubuntu ServerInstalling Ubuntu on a Raspberry PiSummaryRelevant tutorials
Managing Users and Permissions
Understanding the purpose of users and groupsUnderstanding when to use rootUsing sudo to run privileged commandsCreating and removing usersUsing useraddUsing adduserRemoving usersUnderstanding the /etc/passwd and /etc/shadow filesUnderstanding the /etc/passwd fileUnderstanding the /etc/shadow fileDistributing default configuration files with /etc/skelSwitching usersManaging groupsManaging passwords and password policiesLocking and unlocking user accountsSetting password expiration informationSetting a password policyConfiguring administrator access with sudoSetting permissions on files and directoriesViewing permissionsChanging permissionsChanging the ownership of objectsSummaryRelevant videosFurther reading
Managing Software Packages
Understanding Linux package managementUnderstanding the differences between Debian and Snap packagesDebian packagesSnap packagesInstalling and removing softwareManaging Debian packages with aptManaging Snap packages with snapSearching for packagesManaging package repositoriesAdding additional repositoriesAdding Personal Package ArchivesBacking up and restoring Debian packagesCleaning up orphaned apt packagesTaking advantage of hardware enablement updatesSummaryRelevant videoFurther reading
Navigating and Essential Commands
Learning essential Linux commandsUnderstanding the Linux filesystem layoutViewing the contents of filesViewing application log filesSummaryRelevant videoFurther reading
Managing Files and Directories
Copying, moving, and renaming files and directoriesEditing files with the Nano and Vim text editorsEditing with NanoEditing with VimInput and output streamsUsing symbolic and hard linksSummaryRelevant videos
Boosting Your Command-line Efficiency
Understanding the Linux shellUnderstanding Bash historyLearning some useful command-line tricksUnderstanding variablesWriting simple scriptsPutting it all together – Writing an rsync backup scriptSummaryRelevant videosFurther reading
Controlling and Managing Processes
Managing jobsUnderstanding the ps commandViewing running processes with psConfiguring arguments to psChanging the priority of processesDealing with misbehaving processesManaging system processesScheduling tasks with cronSummaryRelevant videosFurther reading
Monitoring System Resources
Viewing disk usageUsing dfDiving deeper into disk usageMonitoring memory usageUnderstanding server memoryManaging swapUnderstanding load averageViewing resource usage with htopSummaryRelevant videosFurther reading
Managing Storage Volumes
Adding additional storage volumesFormatting and partitioning storage devicesCreating a partitionFormatting partitionsMounting and unmounting volumesUnderstanding the /etc/fstab fileAnalyzing the contents of /etc/fstabAdding to the /etc/fstab fileBacking up and restoring volumesUtilizing LVMGetting started with LVMFormatting logical volumesRemoving volumes with LVMUnderstanding LVM snapshotsSummaryRelevant videosFurther reading

Connecting to Networks
Setting the hostnameManaging network interfacesAssigning static IP addressesUnderstanding Linux name resolutionGetting started with OpenSSHInstalling OpenSSHIssuing commands with OpenSSHGetting started with SSH key managementGenerating public and private keysCopying your public key to a remote serverUtilizing an SSH agentChanging the passphrase of an OpenSSH keySimplifying SSH connections with a config fileSummaryRelevant videosFurther reading
Setting Up Network Services
Planning your IP address schemeSetting up a DHCP server for serving IP addressesAdding a DNS serverSetting up external DNS with bindSetting up internal DNS and adding hostsSetting up an internet gatewaySummaryFurther reading
Sharing and Transferring Files
File server considerationsSharing files with Windows users via SambaSetting up NFS sharesTransferring files with rsyncTransferring files with SCPSummaryRelevant videosFurther reading
Managing Databases
Preparations for setting up a database serverInstalling MariaDBUnderstanding the MariaDB configuration filesManaging MariaDB databasesSetting up a secondary database serverSummaryFurther reading
Serving Web Content
Installing and configuring ApacheInstalling additional Apache modulesSecuring Apache with TLSInstalling and configuring NGINXSetting up and configuring NextcloudSummaryRelevant videosFurther reading
Automating Server Configuration with Ansible
Understanding the need for configuration managementWhy Ansible?Creating a Git repositoryGetting started with AnsibleMaking your servers do your biddingSetting up an inventory file and configuring Ansible settingsConfiguring client serversPutting it all together – automating web server deploymentUsing Ansible’s pull methodSummaryRelevant videosFurther reading
Virtualization
Prerequisites and considerationsSetting up a virtual machine serverCreating virtual machinesBridging the virtual machine networkSimplifying virtual machine creation with cloningManaging virtual machines via the command lineSummaryRelevant videoFurther reading
Running Containers
What is containerization?Understanding the differences between Docker and LXDInstalling DockerManaging Docker containersAutomating Docker image creation with DockerfilesManaging LXD containersSummaryRelevant videosFurther reading
Container Orchestration
Container orchestrationPreparing a lab environment for Kubernetes testingUtilizing MicroK8sInstalling MicroK8s on LinuxInstalling MicroK8s on macOSInstalling MicroK8s on WindowsInteracting with MicroK8sSetting up a Kubernetes clusterPreliminary setupInstalling KubernetesDeploying containers via KubernetesSummaryRelevant videosFurther reading
Deploying Ubuntu in the Cloud
Understanding the difference between on-premises and cloud infrastructureImportant considerations when considering cloud computing as a potential solutionBecoming familiar with some basic AWS conceptsCreating an AWS accountSigning up for AWSImplementing basic user securityChoosing a regionDeploying Ubuntu as an AWS EC2 instanceSetting up an IAM role for Session ManagerCreating an Ubuntu Server instance in AWSCreating and deploying Ubuntu AMIsAutomatically scaling Ubuntu EC2 deployments with Auto ScalingCreating a launch templateCreating an Auto Scaling groupKeeping costs down: understanding how to save money and make cost-effective decisionsViewing billing informationAdding a billing alertRemoving unneeded backupsRunning EC2 instances only when they’re neededStopping or terminating unneeded EC2 instancesTaking the cloud further: additional resources to grow your knowledgeOnline training and labsCertificationKeep experimenting and learningAWS documentationSummaryFurther reading
Automating Cloud Deployments with Terraform
Why it’s important to automate your infrastructureIntroduction to Terraform and how it can fit within your workflowInstalling TerraformAutomating an EC2 instance deploymentManaging security groups with TerraformUsing Terraform to destroy unused resourcesCombining Ansible with Terraform for a full deployment solutionSummary
Securing Your Server
Lowering your attack surfaceUnderstanding and responding to CVEsInstalling security updatesAutomatically installing patches with the Canonical Livepatch serviceSecuring OpenSSHInstalling and configuring Fail2banMariaDB best practices for secure database serversSetting up a firewallEncrypting and decrypting disks with LUKSLocking down sudoSummaryFurther reading
Troubleshooting Ubuntu Servers
Evaluating the scopeConducting a root cause analysisViewing system logsTracing network issuesTroubleshooting resource issuesDiagnosing defective RAMSummaryFurther reading
Preventing Disasters
Preventing disastersUtilizing Git for configuration managementImplementing a backup planUtilizing bootable recovery mediaSummaryFurther reading
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Index

Overview

Mastering Ubuntu Server provides an in-depth exploration of Ubuntu 22.04, equipping administrators, IT professionals, and enthusiasts with the skills to deploy, manage, and troubleshoot this leading server operating system. By engaging with practical examples and technical expertise, you'll master essential server functionalities and advanced features, enabling robust and efficient administration.

What this Book will help me do

Learn to install and configure Ubuntu Server on a variety of platforms, including Raspberry Pi and the cloud.
Discover how to containerize applications with LXD for streamlined deployment and easy management.
Deploy popular services like Nextcloud and automate configurations using Ansible for improved efficiency.
Understand and implement robust networking setups with DHCP, DNS, and secure data transfer techniques.
Develop expertise in system monitoring, troubleshooting, and best practices for server optimization and reliability.

Author(s)

Jay LaCroix is an experienced Linux enthusiast and author with a long-standing career in systems administration and instructional content creation. Passionate about open-source technologies, Jay has dedicated his work to sharing practical knowledge and empowering others through his approachable teaching style. With clear explanations and practical examples, he strives to make Linux administration accessible to everyone.

Who is it for?

This book is perfect for System Administrators, Site Reliability Engineers, and DevOps professionals looking to enhance their skills with Ubuntu Server. Beginners in server management and Linux enthusiasts will find the step-by-step instructions helpful, while experienced administrators can deepen their technical expertise and modernize their deployment approaches. Pursue your career development in server technology with this comprehensive guide.

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Publisher Resources

ISBN: 9781803234243

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