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Docker Commands Cheat Sheet {With Downloadable PDF} | PhoenixNAP
1/02/ · The Docker Handbook – Edition. Farhan Hasin Chowdhury. The concept of containerization itself is pretty old. But the emergence of the Docker Engine in has made it much easier to containerize your applications. According to the Stack Overflow Developer Survey - , Docker is the #1 most wanted platform, #2 most loved platform, and Estimated Reading Time: 9 mins Download your docker PDF now. docker Certifications prove your expertise with the docker World. It is helpful for professionals who want to upgrade their credentials and get recognition from the industry. Holding docker certifications can help you gain an edge over your peers, colleagues, and fellow students in long term as well as for short terms. These certificates are accepted worldwide Learning Docker eBook (PDF) Download this eBook for free. Chapters. Chapter 1: Getting started with Docker. Chapter 2: Building images. Chapter 3: Checkpoint and Restore Containers. Chapter 4: Concept of Docker Volumes. Chapter 5: Connecting Containers. Chapter 6: Creating a service with persistence
Docker pdf download
The concept of containerization itself is pretty old. But the emergence of the Docker Engine in has made it much easier to containerize your applications. According to the Stack Overflow Developer Survey -Docker is the 1 most wanted platformdocker pdf download, 2 most loved platformand also the 3 most popular platform.
As in-demand as it may be, getting started can seem a bit intimidating at first. So in this book, docker pdf download, we'll be learning everything from the basics to a more intermediate level of containerization.
After going through the entire book, you should be able to:. This book is completely open-source and quality contributions are more than welcome. You can find the full content in the following repository:. I usually do my changes and updates on the GitBook version of the book first and then publish them on freeCodeCamp. You can find the always updated and often unstable version of the book at the following link:. If you're looking for a frozen but stable version of the book, then freeCodeCamp will be the best place to go:.
Whichever version of the book you end up reading though, don't forget to let me know your opinion, docker pdf download. Constructive criticism is always welcomed. According to IBM. Assume you have developed an awesome book management application that can store information regarding all the books you own, and can also serve the purpose of a book lending system for your friends.
Well, theoretically this should be it. But practically there are some other things as well. Turns out Node, docker pdf download. js uses a build tool known as node-gyp for building native add-ons. Installing Python 2 or 3 is pretty docker pdf download regardless of the platform you're on. On a Mac, you can either install the gigantic Xcode application or the much smaller Command Line Tools for Xcode package. Regardless of the one you install, it still may break on OS updates.
In fact, docker pdf download, the problem is so prevalent that there are Installation notes for macOS Catalina available on the official repository.
Let's assume that you've gone through all the hassle of setting up docker pdf download dependencies and have started working on the project. Does that mean you're out of danger now? Of course not. What if you have a teammate who uses Windows while you're using Linux. Now you have to consider the inconsistencies of how these two different operating systems handle paths, docker pdf download.
Or the fact that popular technologies like nginx are not well optimized to run on Windows. Some technologies like Redis don't even come pre-built for Windows. Even if you get through the entire development phase, what if the person responsible for managing the servers follows the wrong deployment procedure? Your teammates will then be able to download the image from the registry, run the application as it is within an isolated environment free from the platform specific inconsistencies, or even deploy directly on a server, since the image comes with all the proper production configurations.
That is the idea behind containerization: putting your applications inside a self-contained package, making it portable and reproducible across various environments, docker pdf download. As I've already explained, containerization is an idea that solves a myriad of problems in software development by putting things into boxes, docker pdf download. This very idea has quite a few implementations. Docker is such an implementation. It's an open-source containerization platform that allows you to containerize your applications, share them using public or private registries, docker pdf download, and also to orchestrate them.
Now, Docker is not the only containerization tool on the market, it's just the most popular one, docker pdf download. Another containerization engine that I love is called Podman developed by Red Hat.
Other tools like Kaniko by Google, rkt by CoreOS are amazing, but they're not ready to be a drop-in replacement for Docker just yet. Also, if you want a history lesson, you may read the amazing A Brief History of Containers: From the s Till Now which covers most of the major turning points for the technology, docker pdf download. But it's universally simple across the board. Docker runs flawlessly on all three major platforms, Mac, Windows, and Linux. Among the three, the installation process on Mac is the easiest, so we'll start there.
On a mac, all docker pdf download have to do is navigate to the official download page and click the Download for Mac stable button. All you have to do is drag the file and drop it in your Applications directory. Docker pdf download can start Docker by simply double-clicking the docker pdf download icon.
Once the application starts, you'll see the Docker icon appear docker pdf download your menu-bar. Now, open up the terminal and execute docker --version and docker-compose --version to ensure the success of the installation. The installation steps are as follows:. Once the installation is done, start Docker Desktop either from the start menu or your desktop. The docker icon should show up on your taskbar.
Now, open up Ubuntu docker pdf download whatever distribution you've installed from Microsoft Store. Execute the docker --version and docker-compose --version commands to make sure that the installation was successful.
You can access Docker from your regular Command Prompt or PowerShell as well. It's just that I prefer using WSL2 over any other command line on Windows. But to be honest, the installation is just as easy if not easier as the other two platforms. The Docker Desktop package on Windows or Mac is a collection of tools like Docker EngineDocker ComposeDocker Dashboarddocker pdf download, Kubernetes and a few other goodies.
Instead you install all the necessary tools you need manually. Installation procedures for docker pdf download distributions are as follows:. Once the installation is done, open up the terminal and execute docker --version and docker-compose --version to ensure docker pdf download success of the installation. Another thing that I would like to clarify right from the get go, is that I won't be using any GUI tool for working with Docker throughout the entire book, docker pdf download.
I'm aware of the nice GUI tools available for docker pdf download platforms, docker pdf download, but learning the common docker commands is one of the primary goals of this book. Now that you have Docker up and running on your machine, it's time for you to run your first container. Open up the terminal and run the following command:. The hello-world image is an example of minimal containerization with Docker. It has a single program compiled from a hello.
c file responsible for printing out the message you're seeing on your terminal. Now in your terminal, you can use the docker ps -a command to have a look at all the containers that are currently running or have run in the past:. It has Exited 0 13 seconds ago where the 0 exit code means no error was produced during the runtime of the container. Now in order to docker pdf download what just happened behind the scenes, you'll have to get familiar with the Docker Architecture and three very fundamental concepts of containerization in general, which are as follows:.
I've listed the three concepts in alphabetical order and will begin my explanations with the first one on the list. In the world of containerization, there can not be anything more fundamental than the concept of a container. The official Docker resources site says.
Just like virtual machines, containers are completely isolated environments from the host system as well as from each other. They are also a lot lighter than the traditional virtual machine, so a large number of containers can be run simultaneously without affecting the performance of the host system.
Containers and virtual machines are actually different ways of virtualizing your physical hardware. The main difference between these two is the method of virtualization.
Virtual machines are usually created and managed by a program known as a hypervisor, like Oracle VM VirtualBoxVMware WorkstationKVMMicrosoft Hyper-V and so on. This hypervisor program usually sits between the host operating system and the virtual machines to act as a medium of communication.
Each virtual machine comes with its own guest operating system which is just as heavy as the host operating system, docker pdf download. The application running inside a virtual machine communicates with the guest operating system, which talks to docker pdf download hypervisor, which then in turn talks to the host operating system to allocate necessary resources from the physical infrastructure to the running application.
As you can see, there is a long chain of communication between applications running inside virtual machines and the physical docker pdf download. The application running inside the virtual machine may take only a small amount of resources, but the guest operating system adds a noticeable overhead.
Unlike a virtual machine, a container does the job of virtualization in a smarter way. Instead of having a complete guest operating system inside a container, it just utilizes the host operating system via the container runtime while maintaining isolation — just like a traditional virtual machine, docker pdf download. The container runtime, that is Docker, sits between the containers and the host operating system instead of a hypervisor. The containers then communicate with the container runtime which then communicates with the host operating system to get necessary resources from the physical infrastructure.
As a result of eliminating the entire guest operating system layer, containers are much lighter and less resource-hogging than traditional virtual machines.
In the code block above, I have executed the uname -a command on my host operating system to print out the kernel details. Then on the next line I've executed the same command inside a container running Alpine Linux. As you can see in the output, the container is indeed using the kernel from my host operating system. This goes to prove the point docker pdf download containers virtualize the host operating system instead of having an operating system of their own.
If you're on a Windows machine, you'll find out that all the containers use the WSL2 kernel. It happens because WSL2 acts as the back-end for Docker on Windows. On macOS the default back-end is a VM running on HyperKit hypervisor.
Images are multi-layered self-contained files that act as the template for creating containers. They are like a frozen, read-only copy of a container. Images can be exchanged through registries.
How to install docker? Step by Step -- Docker Tutorial 3
, time: 19:38Docker pdf download
31/07/ · Best 5 Docker eBooks for free download. All the below free ebooks are completely free to download with your basic informations for the first time. Once you have submitted, you will get the mail to download link easily. Also if you are looking for other free ebooks, checkout here. In the previous posts, already we have explained the below blogger.comted Reading Time: 4 mins Download your docker PDF now. docker Certifications prove your expertise with the docker World. It is helpful for professionals who want to upgrade their credentials and get recognition from the industry. Holding docker certifications can help you gain an edge over your peers, colleagues, and fellow students in long term as well as for short terms. These certificates are accepted worldwide 1/02/ · The Docker Handbook – Edition. Farhan Hasin Chowdhury. The concept of containerization itself is pretty old. But the emergence of the Docker Engine in has made it much easier to containerize your applications. According to the Stack Overflow Developer Survey - , Docker is the #1 most wanted platform, #2 most loved platform, and Estimated Reading Time: 9 mins
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