After you identify the symptoms of the issue, the first goal in troubleshooting is to identify the problem space. Essentially, this means determining (as best you can) where the problem is most likely to reside, and how many systems and services are affected. Sometimes the problem space is obvious. For example, if none of your computers are receiving an IP address from your DHCP server, then you'll know straight away to start investigating the logs on that particular server in regard to its ability (or inability) to do the job designated for it. In other cases, the problem space may not be so obvious. Perhaps you have an application that exhibits problems every now and then, but isn't something you can reliably reproduce. In that case, it may take some digging before you know just how large the scope of the problem might be. Sometimes, the...
Mastering Ubuntu Server - Second Edition
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Mastering Ubuntu Server - Second Edition
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Overview of this book
Ubuntu Server has taken the data centers by storm. Whether you're deploying Ubuntu for a large-scale project or for a small office, it is a stable, customizable, and powerful Linux distribution that leads the way with innovative and cutting-edge features. For both simple and complex server deployments, Ubuntu's flexible nature can be easily adapted to meet to the needs of your organization. With this book as your guide, you will learn all about Ubuntu Server, from initial deployment to creating production-ready resources for your network. The book begins with the concept of user management, group management, and filesystem permissions. Continuing into managing storage volumes, you will learn how to format storage devices, utilize logical volume management, and monitor disk usage. Later, you will learn how to virtualize hosts and applications, which will cover setting up KVM/QEMU, as well as containerization with both Docker and LXD. As the book continues, you will learn how to automate configuration with Ansible, as well as take a look at writing scripts. Lastly, you will explore best practices and troubleshooting techniques when working with Ubuntu Server that are applicable to real-world scenarios.
By the end of the book, you will be an expert Ubuntu Server administrator who is well-versed in its advanced concepts.
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Current Title:
Mastering Ubuntu Server - Second Edition
Table of Contents (21 chapters)
Preface
Free Chapter
Deploying Ubuntu Server
Managing Users
Managing Storage Volumes
Connecting to Networks
Managing Software Packages
Controlling and Monitoring Processes
Setting Up Network Services
Sharing and Transferring Files
Managing Databases
Serving Web Content
Learning Advanced Shell Techniques
Virtualization
Running Containers
Automating Server Configuration with Ansible
Securing Your Server
Troubleshooting Ubuntu Servers
Preventing and Recovering from Disasters
Using the Alternate Installer
Assessments
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Customer Reviews