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Mastering Linux Administration

Mastering Linux Administration

By : Calcatinge, Balog
4.4 (15)
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Mastering Linux Administration

Mastering Linux Administration

4.4 (15)
By: Calcatinge, 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)
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1
Section 1: Linux Basic Administration
7
Section 2: Advanced Linux Server Administration
13
Section 3: Cloud Administration

Questions

In our second chapter, we covered the Linux filesystem and the basic commands that will serve as the foundation for the entire book. Here are some questions for you to test your knowledge and for further practice:

  1. What is the command that creates a compressed archive with all the files inside the /etc directory that use the .conf extension?

    Hint: Use the tar command just as shown in this chapter.

  2. What is the command that lists the first five files inside /etc and sorts them by dimension in descending order?

    Hint: Use find combined with sort and head.

  3. What command creates a hierarchical directory structure?

    Hint: Use mkdir just as shown in this chapter.

  4. What is the command that searches for files with three different extensions inside root?

    Hint: Use the find command.

  5. Find out which commands inside Linux have the Set owner User ID (SUID) set up.

    Hint: Use the find command with the -perm parameter.

  6. What is the command that lists all the installed packages...

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