Mastering ubuntu server : gain expertise in the art of deploying, configuring, managing, and troubleshooting ubuntu server / Jay LaCroix.

Format:

Book

Author/Creator:

LaCroix, Jay, author.

Language:

English

Subjects (All):

Ubuntu (Electronic resource).

Physical Description:

1 online resource (703 pages) : illustrations

Edition:

Third edition.

Place of Publication:

Birmingham, England : Packt Publishing, Limited, [2020]

Summary:

Mastering Ubuntu Server, Third Edition not only strengthens your server fundamentals but also equips you with the advanced concepts of Ubuntu 20.04 LTS. It polishes and expands your skill set to prepare you for better business opportunities.

Contents:

Cover

Copyright

Packt Page

Contributors

Table of Contents

Preface

Chapter 1: Deploying Ubuntu Server

Technical requirements

Determining your server's role

Setting up our server

Virtual machine

Physical server

Virtual private server

Spare desktop or laptop

Raspberry Pi

Obtaining installation media

Creating a bootable flash drive

Planning the partitioning layout

Installing Ubuntu Server

Installing media

Customizing the installation

Configuring the server's disk

Creating the initial user account

Installing Ubuntu on a Raspberry Pi

Summary

Further Reading

Chapter 2: Managing Users and Permissions

Understanding users and groups

Understanding when to use root

Using sudo to run privileged commands

Creating and removing users

Using useradd

Using adduser

Removing users

Understanding the /etc/passwd and /etc/shadow files

Using/etc/passwd

Using /etc/shadow

Distributing default configuration files with /etc/skel

Switching users

Managing groups

Managing passwords and password policies

Locking and unlocking user accounts

Setting password expiration information

Setting a password policy

Configuring administrator access with sudo

Setting permissions on files and directories

Viewing permissions

Changing permissions

Changing the ownership of objects

Further reading

Chapter 3: Managing Software Packages

Understanding Linux package management

Understanding the differences between Debian and Snap packages

Debian packages

Snap packages

Installing and removing software

Managing Debian packages with apt

Managing Snap packages with snap

Searching for packages

Managing package repositories

Adding additional repositories

Adding Personal Package Archives.

Backing up and restoring Debian packages

Cleaning up orphaned apt packages

Taking advantage of hardware enablement updates

Chapter 4: Navigating and Essential Commands

Learning essential Linux commands

Understanding the Linux filesystem layout

Viewing the contents of files

Viewing application log files

Chapter 5: Managing Files and Directories

Copying, moving, and renaming files and directories

Editing files with the Nano and Vim text editors

Editing with Nano

Editing with Vim

Input and output streams

Using symbolic and hard links

Chapter 6: Boosting Your Command-line Efficiency

Understanding the Linux shell

Understanding Bash history

Learning some useful command-line tricks

Understanding variables

Writing simple scripts

Putting it all together - Writing an rsync backup script

Chapter 7: Controlling and Managing Processes

Managing jobs

Understanding the ps command

Viewing running processes with ps

Configuring arguments to ps

Changing the priority of processes

Dealing with misbehaving processes

Managing system processes

Scheduling tasks with cron

Chapter 8: Monitoring System Resources

Viewing disk usage

Using df

Diving deeper into disk usage

Monitoring memory usage

Understanding server memory

Managing swap

Understanding load average

Viewing resource usage with htop

Chapter 9: Managing Storage Volumes

Adding additional storage volumes

Formatting and partitioning storage devices

Creating a partition

Formatting partitions

Mounting and unmounting volumes

Understanding the /etc/fstab file

Analyzing the contents of /etc/fstab.

Adding to the /etc/fstab file

Backing up and restoring volumes

Utilizing LVM

Getting started with LVM

Formatting logical volumes

Removing volumes with LVM

Understanding LVM snapshots

Chapter 10: Connecting to Networks

Setting the hostname

Managing network interfaces

Assigning static IP addresses

Understanding Linux name resolution

Getting started with OpenSSH

Installing OpenSSH

Issuing commands with OpenSSH

Getting started with SSH key management

Generating public and private keys

Copying your public key to a remote server

Utilizing an SSH agent

Changing the passphrase of an OpenSSH key

Simplifying SSH connections with a config file

Chapter 11: Setting Up Network Services

Planning your IP address scheme

Setting up a DHCP server for serving IP addresses

Adding a DNS server

Setting up external DNS with bind

Setting up internal DNS and adding hosts

Setting up an internet gateway

Keeping your clock in sync with NTP

Chapter 12: Sharing and Transferring Files

File server considerations

Sharing files with Windows users via Samba

Setting up NFS shares

Transferring files with rsync

Transferring files with SCP

Mounting remote directories with SSHFS

Chapter 13: Managing Databases

Preparations for setting up a database server

Installing MariaDB

Understanding the MariaDB configuration files

Managing MariaDB databases

Setting up a secondary database server

Chapter 14: Serving Web Content

Installing and configuring Apache

Installing additional Apache modules

Securing Apache with TLS

Installing and configuring NGINX

Setting up failover with keepalived.

Setting up and configuring Nextcloud

Chapter 15: Automating Server Configuration with Ansible

Understanding the need for configuration management

Why Ansible?

Creating a Git repository

Getting started with Ansible

Making your servers do your bidding

Setting up an inventory file and configuring Ansible settings

Configuring client servers

Putting it all together - automating web server deployment

Using Ansible's pull method

Chapter 16: Virtualization

Prerequisites and considerations

Setting up a virtual machine server

Creating virtual machines

Bridging the virtual machine network

Simplifying virtual machine creation with cloning

Managing virtual machines via the command line

Chapter 17: Running Containers

What is containerization?

Understanding the differences between Docker and LXD

Installing Docker

Managing Docker containers

Automating Docker image creation with Dockerfiles

Managing LXD containers

Chapter 18: Container Orchestration

Container orchestration

Preparing a lab environment for Kubernetes testing

Utilizing MicroK8s

Installing MicroK8s on Linux

Installing MicroK8s on macOS

Installing MicroK8s on Windows

Interacting with MicroK8s

Setting up a Kubernetes cluster

Configuring Docker

Testing Docker

Installing Kubernetes

Deploying containers via Kubernetes

Chapter 19: Deploying Ubuntu in the Cloud

Understanding the difference between on-premises and cloud infrastructure

Important considerations when considering cloud computing as a potential solution

Becoming familiar with some basic AWS concepts

Creating an AWS account

Signing up for AWS

Implementing basic user security.

Choosing a region

Deploying Ubuntu as an AWS EC2 instance

Setting up an IAM Role for Session Manager

Creating an Ubuntu Server instance in AWS

Creating and deploying Ubuntu AMI images

Automatically scaling Ubuntu EC2 deployments with Auto Scaling

Creating a launch template

Creating an Auto Scaling group

Creating a load balancer

Keeping costs down: understanding how to save money and make cost-effective decisions

Viewing billing information

Adding a billing alert

Removing unneeded backups

Running EC2 instances only when they're needed

Stopping or terminating unneeded EC2 instances

Taking cloud further: additional resources to grow your knowledge

Online training and labs

Certification

Keep experimenting and learning

AWS documentation

Chapter 20: Automating Cloud Deployments with Terraform

Why it's important to automate your infrastructure

Introduction to Terraform and how it can fit within your workflow

Installing Terraform

Automating an EC2 instance deployment

Managing security groups with Terraform

Using Terraform to destroy unused resources

Combining Ansible with Terraform for a full deployment solution

Chapter 21: Securing Your Server

Lowering your attack surface

Understanding and responding to CVEs

Installing security updates

Automatically installing patches with the Canonical Livepatch service

Monitoring Ubuntu servers with Canonical's Landscape service

Securing OpenSSH

Installing and configuring Fail2ban

MariaDB best practices for secure database servers

Setting up a firewall

Encrypting and decrypting disks with LUKS

Locking down sudo

Chapter 22: Troubleshooting Ubuntu Servers

Evaluating the scope

Conducting a root cause analysis

Viewing system logs.

Tracing network issues.

Notes:

Includes index.

Description based on print version record.

Description based on publisher supplied metadata and other sources.

OCLC:

1229925406