Book Image

Mastering Linux Administration

By : Alexandru Calcatinge, Julian Balog
Book Image

Mastering Linux Administration

By: Alexandru Calcatinge, Julian Balog

Overview of this book

Linux plays a significant role in modern data center management and provides great versatility in deploying and managing your workloads on-premises and in the cloud. This book covers the important topics you need to know about for your everyday Linux administration tasks. The book starts by helping you understand the Linux command line and how to work with files, packages, and filesystems. You'll then begin administering network services and hardening security, and learn about cloud computing, containers, and orchestration. Once you've learned how to work with the command line, you'll explore the essential Linux commands for managing users, processes, and daemons and discover how to secure your Linux environment using application security frameworks and firewall managers. As you advance through the chapters, you'll work with containers, hypervisors, virtual machines, Ansible, and Kubernetes. You'll also learn how to deploy Linux to the cloud using AWS and Azure. By the end of this Linux book, you'll be well-versed with Linux and have mastered everyday administrative tasks using workflows spanning from on-premises to the cloud. If you also find yourself adopting DevOps practices in the process, we'll consider our mission accomplished.
Table of Contents (20 chapters)
Section 1: Linux Basic Administration
Section 2: Advanced Linux Server Administration
Section 3: Cloud Administration

Exploring interprocess communication

Interprocess communication (IPC) is a way of interacting between processes using a shared mechanism or interface. In this section, we will take a practical approach to exploring various communication mechanisms between processes. Linux processes can typically share data and synchronize their actions via the following interfaces:

  • Shared storage (files)
  • Shared memory
  • Named and unnamed pipes
  • Message queues
  • Sockets
  • Signals

To illustrate most of these communication mechanisms, we will build our examples using a model of producer and consumer processes. The producer and consumer share a common interface, where the producer writes some data that's read by the consumer. IPC mechanisms are usually implemented in distributed systems, built around more or less complex applications. Our examples will use simple bash scripts ( and, thus mimicking the producer and consumer processes. We hope that...