Book Image

Mastering Ubuntu Server - Second Edition

By : Jay LaCroix
Book Image

Mastering Ubuntu Server - Second Edition

By: Jay LaCroix

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.
Table of Contents (21 chapters)

Chapter 5 – Managing Software Packages

  1. apt
  2. Hardware Enablement updates give you a new kernel with updated drivers that can support newer hardware
  3. apt install <package>
  4. apt-remove <package>
  5. The snap refresh command will update Snap packages installed on your server
  6. Debian and Snap packages
  7. aptitude
  8. A package repository is an online resource that provides packages to Ubuntu systems

  1. A Personal Package Archive (PPA) is like a normal package repository, but typically serves a small purpose rather than being a resource for a large group of packages.
  2. dpkg --get-selections > packages.list
  3. sudo apt autoremove
  4. Snap packages are universal, so they can be installed on any distribution with Snap support. In addition, you can receive newer versions of packages. Finally, they don't conflict with system packages.