What is Docker, Advantages & Installation

Greeting Everyone! Hope Everything is going well Today we are going to Look On What Is Docker Why We Use Docker  And How Successfully Install Docker Into Your System.

What Is docker?

Docker Project which Contain A open source community That gives environment to Utilize Tools, os, set of platform as a service products that use OS-level virtualization. Now a days Docker Container which consist more virtualization in Real world which help an Organization, I.T Infrastructure which make work more easy.  Docker consist cli Based Configuration . Docker Containers are isolated from one another and bundle their own software, libraries and configuration files; they can communicate with each other through well-defined channels.

Docker Inc. was founded by Solomon Hykes and Sebastien Pahl and launched in 2011. Hykes started the Docker project in France as an internal project within dotCloud, a platform-as-a-service company.

What is a docker Image container?

Docker Containers are a standardized Infrastructure of software application that allows developers to isolate their app from its environment which contains Particular Infrastructure. Container Are basically packages of code and dependencies together.

Docker Container It Founded In 2013 as an open-source Docker Engine.

Advantage Of Docker?

Isolation: A Docker container that contains one of your applications also includes the relevant versions of any supporting software that your application requires here we can Use it Without any Troubleshoot the issue which consists of Isolation On the System.

Scalability: Create Multiple containers Quickly and Deploy Your multiple infrastructures.

Performance: Although virtual machines are an alternative to containers, the fact that containers do not contain an operating system (whereas virtual machines do) means that containers have much smaller footprints than virtual machines, are faster to create, and are quicker to start.

To get the PGP key for docker we used curl to get the key

curl -fsSL | sudo apt-key add –

2. Now Configure apt for install/update docker

echo ‘deb [arch=amd64] buster stable’ | sudo tee /etc/apt/sources.list.d/docker.list

3. Now to install the docker run command: 

sudo apt install docker-ce –y

Now we have successfully Installed Docker .

4. To Run docker container run the command: 

sudo system ctl start docker

5. now simply run command -> docker to verify the installation.

Now We have successfully Installed Docker Container As above picture we see,

Conclusion: Today we Learned what is docker & container How to Install docker For Now In the next Blog we will discuss How To Use Docker Container With Images Of Infrastructure. See You In Next Blog.

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Pallab Jyoti Borah
VAPT Analyst

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