How to Install Docker in Centos 7 linux

How to Install Docker in Centos 7 linux

What is Docker?

Docker is a computer program that performs operating-system-level virtualization also known as containerization. It was first released in 2013 and is developed by Docker, Inc.

Docker is used to run software packages called "containers". In a typical example use case, one container runs a web server and web application, while a second container runs a database server that is used by the web application. Containers are isolated from each other and use their own set of tools and libraries; they can communicate through well-defined channels. All containers use the same kernel and are therefore more lightweight than virtual machines. Containers are created from "images" which specify their precise contents. Images are often created by combining and modifying standard images downloaded from repositories.

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[aditiagarwal]

Short and clear video for installation with all the ways to do it. Thanks for sharing!!

[krishnasatya]

Very very useful...nd time saving...thanks a lot for this useful data

[tigerfanxiao]

thank you for the video. it works for me

[sivakumarl]

I have followed instructions as per the video and tried to pull alpine image using 'docker image pull alpine' got this error "Trying to pull repository docker.io/library/alpine ...

[kiranshorts]

"CentOS-Base.repo" E212: Can't open file for writing
how can i resolve this error
please reply ASAP

[mustafaansari]

Hello,
Mujhe RHCE ke lab setup k liye 2 vms create server and desktop toh base machine ke kaunse partition me free space hona chahiye jaise ki

/opt
Ya
/var

Vms create karne ke liye kaunse partition me free space chahiye....

Kindly please suggest


Thank you
Murtuza Ansari

[CariagaXIII]

when it comes to editing nano is better than vim for basic

[satyaranjansahoo]

when i start docker this error message shows up
Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.

[olumatthew]

Please provide projects and tips to pass RHCSA

[pradeepgb]

Can you please tell how to edit the line for un commenting it? I'm not able to do it.

[SunilYadav-ysjd]

Container LXD ka banao .. smjhaao Kya hai container LXD LXC