Watching the demand for Cloud Computing, Docker is in high demand too. Learners want to learn Docker online. There are various options available to learn Docker online. Docker training mainly involves learning Docker Commands. There are more than 50 Docker commands.
This blog comprises a few common Docker commands, their use, architecture, and all about Docker training.
What is Docker?
Docker is a medium that allows building, deploying, and handling applications with the support of containers. A container makes an application runnable by packaging the code and all its reliances together. The container separates the application and its dependencies into a self-contained unit that can drive anywhere. Container withdraws the need for physical hardware that permits for more efficient computing resources use. Containers deliver operating-system-level virtualization. Moreover, developers can cooperate quickly without bothering regarding the software dependency they need to install.
A container is a running illustration of an image. An image is a read-only template with instructions for building a Docker container. You can make, begin, control, move, or delete a container with the Docker API or CLI. One can attach a single container to one or more networks and also attach storage to it. By checking the current state of the container, we can create a new image too!
What are the Docker Commands?
Here is a list of some Docker Commands:
- Docker Attach: Attach local standard input, output, and error streams to a running container.
- Docker Build: Build an image from a Dockerfile
- Docker Builder: Manage builds
- Docker Checkpoint: Manage checkpoints
- Docker Commit: Conatin a new image from the container’s changes
- Docker Config: Manage Config
- Docker Container: Mange Container
- Docker context: Manege Contexts
- Docker cp: Copy files/folders between a container and the local filesystem
- Docker creates: Create a new container
- Docker diff: Inspect changes to files or directories on a container’s filesystem
- Docker events: Get real-time events from the server
- Docker exec: Run a command in a running container
- Docker export: Export a container’s filesystem as a tar archive
- Docker history: Show the history of an image
- Docker image: Manage images
- Docker images: List images
- Docker import: Import the contents from a tarball to create a filesystem image
- Docker info: Display system-wide information
- Docker inspect: Return low-level information on Docker objects
- Docker kill: Kill one or more running containers
- Docker load: Load an image from a tar archive or STDIN
- Docker login: Login to a Docker registry
- Docker logout: Log out from a Docker registry
- Docker logs: Fetch the logs of a container
- Docker manifest: Manage Docker image manifests and manifest lists
- Docker network: Manage networks
- Docker node: Manage swarm nodes
- Docker pause: Pause all processes within one or more containers
- Docker plugin: Manage Plugins
- Docker port: List port mappings or a specific mapping for the container
- Docker PS: List Containers
- Docker pull: Pull an image or a repository from a registry
- Docker push: Push an image or a repository from a registry
- Docker rename: Rename a container
- Docker restart: Restart one or more containers
- Docker rm: Remove one or more containers
- Docker rmi: Remove one or more images
- Docker run: Run a command in a new container
- Docker save: Save one or more images to a tar archive (streamed to STDOUT by default)
- Docker search: Search the Docker Hub for images
- Docker secret: Manage Docker Secrets
- Docker service: Manage Service
- Docker stack: Manage Docker Service
- Docker start: Start one or more stopped containers
- Docker stats: Display a live stream of container(s) resource usage statistics
- Docker stop: Stop one or more running containers
- Docker Swarm: Manage Swarm
- Docker system: Manage Docker
- Docker tag: Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
- Docker top: Display the running processes of a container
- Docker trust: Manage trust on Docker images
- Docker unpauses: Unpause all processes within one or more containers
- Docker update: Update the configuration of one or more containers
- Docker version: Show the Docker version information
- Docker volume: Manage Volumes
- Docker wait: Block until one or more containers stop, then print their exit codes
What are the benefits of the Docker Commands?
Here are the reasons why a Developer must learn Docker Commands:
- Docker facilitates how you devise and deploy your code, and handle your application.
- Importing your application into a container makes deployment and mounting smooth and drives automation.
- It makes DevOps effortless and makes your production environment rich.
- With a more powerful push to Cloud every year, the container model will be the default model for software development, and Docker and Kubernetes will play a vital role shortly.
- It adds an in-demand skill to their resume to get a better job.
What is the Docker use cases?
Let’s comprehend a few of the docker use cases:
Use case 1: Developers write their code locally and share it using docker containers.
Use case 2: Revising the bugs and employing them in the individual environments is as simple as pushing the image to the respective environment.
Use case 3: Using docker one can propel their application to the test environment and perform computerised and manual tests.
Use case 4: One can make their deployment responsive and scalable by using docker since docker can manage dynamic workloads feasibility.
What is the Docker Architecture?
The Docker Architecture generally consists of a Docker Engineer which is a client-server application with three major elements:
- Generally, Docker pursues a client-server architecture.
- The client conveys with the daemon, which takes up the task of installation, handling, and sending the docker containers.
- The client and daemon convey using REST API calls. These calls work as an interface between the client and the daemon.
- A command-line interface, Docker CLI executes docker commands.
- The registry accumulates the docker images.
What is a Docker Training?
Docker is an open medium that allows users to create, ship, and operate applications with ease. Docker software is packed in the form of containers- a docker standardized unit. These containers have all the components, such as system tools, libraries, runtime, and many more required by the software.
Docker training is a suite of software development tools for building, sharing, and handling individual containers. The Docker Training also trains you to use Docker commands.
What skills will you learn in the Docker Training?
The skills you will learn in the Docker Training are:
- Container Basics
- Docker images and public registry
- Docker Private Registry
- Docker Networking
- Docker Storage
- Building Docker Image
- Docker Compose
- Container Orchestration and Management
- Deploying highly available and scalable application
What are the prerequisites for Docker Training?
Here is a list of prerequisites for Docker Training:
- Graduation in any field.
- Introductory knowledge of the IT industry.
- Basic understanding of establishing and configuring applications.
- Understanding Virtualization and Linux.
- Fundamental knowledge of Cloud management.
What is the scope of Docker Training?
The scope of Docker Training is wide. You can enhance your Cloud Computing and Containerization skills with our Docker training. The scope of the course is as follows:
- High salary: One can earn a considerable amount of salary with our Docker training.
- Career advancement: You can get career advancement with a Docker certificate and learn to deploy these skills.
- In-demand skills: Docker training is the most in-demand skill in the modern era with the increase in demand for cloud computing.
- Diversity in learning: The learner gets a chance to learn various tools and ecosystems with the Docker training all at once as it contains numerous tools deployment.
Why Network Kings for a Docker course?
Network Kings is the best platform for the Docker course because it offers courses with experts. Let us discuss the benefits of learning a Docker course.
- Networking: Build your network with our team to connect with them for the best Networking training.
- Comprehend with the best: Learn from industry professional experts.
- Structured Learning: Network King’s curriculum gives the best learning experience, designed by professionals.
- Gain Certification: You will get certification with our Networking certification course. It will improve your resume and career opportunities.
- World’s largest labs: Network Kings have 24/7 access to virtual labs with zero downtime.
- Career Guidance: With Network Kings, you will get a career consultant via career consultants.
- Tricks for Interviews: Network Kings will offer tips and tricks to crack interviews and AWS exams.
- Recorded lectures: With recorded lectures, you will get access to the recorded lectures to learn at flexible hours progress.
What are the exam details of the Docker Training?
Here are the exam details of the Docker training:
Docker Certified Associate (DCA):
The details of the DCA exam are as follows:
Exam Name: DCA (Docker Certified Associate)
Exam Cost: USD 195
Exam Format: Multiple-choice questions
Total Questions: 55 questions
Passing Score: 65% or higher
Exam Duration: 90 minutes
Languages: English, Japanese
Testing Center: Pearson VUE
Certification validity: 2 years
NOTE: Know the top docker interview questions and answers by clicking on this link
What are the job opportunities after the Docker Training?
Here are the job roles after the Docker course:
- Docker Administrator
- DevOps Engineer
- Cloud Engineer
- Site Reliability Engineer (SRE)
- Infrastructure Engineer
- Kubernetes Developer
- Docker Developer
- Microservices Developer
- Cloud Operations Engineer
- Cloud Solutions Architect
- Containerization Architect
- Docker Consultant
- Cloud Security Engineer
- Continuous Integration and Deployment (CI/CD) Engineer
- Systems Administrator
- Cloud Migration Specialist
- Cloud Automation Engineer
- Cloud Platform Engineer
What are the salary expectations after the Docker Training?
Here are the salary prospects for Docker candidates:
- India: INR 6-15 lakhs per annum
- China: CNY 150k-300k per annum
- USA: USD 80k-150k per annum
- UK: GBP 35k-70k per annum
- Japan: JPY 6-12 million per annum
- France: EUR 35k-70k per annum
- Germany: EUR 40k-80k per annum
- South Africa: ZAR 240k-600k per annum
- Netherlands: EUR 45k-90k per annum
- Singapore: SGD 50k-120k per annum
- Australia: AUD 70k-140k per annum
- Brazil: BRL 60k-120k per annum
- Switzerland: CHF 80k-160k per annum
Conclusion
As we have discussed above, Docker training allows the learning of various Docker commands and Docker tools. More the knowledge, more the benefit. Also, Docker training is in demand due to the rise in Cloud computing.
One can earn a handsome salary package with Docker training in India and other countries. Also, you can learn Docker online with various benefits and ease.
You can pursue your Docker Training online with Network Kings. It will offer you various benefits and courses from industry experts.