Ensure that all the software requirements are met.
For details, see the following links:

• https://docs.docker.com/install/linux/docker-ce/centos/
• https://docs.docker.com/install/linux/linux-postinstall/

Procedure

1. Install required packages:

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   sudo yum install -y yum-utils \

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   device-mapper-persistent-data \

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   lvm2

   
   

2. Set up the stable repository:

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   sudo yum-config-manager \
      --add-repo \
      https://download.docker.com/linux/centos/docker-ce.repo

3. Install the latest version of Docker Engine - Community and containerd:

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   sudo yum install docker-ce docker-ce-cli containerd.io

4. Start Docker:

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   sudo systemctl start docker

5. Create the docker group:

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   sudo groupadd docker

6. Add your user to the docker group:

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   sudo usermod -aG docker $USER

7. Log out and log back in so that your group membership is re-evaluated.

8. Enable docker to start on system boot:

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   sudo systemctl enable docker

Ensure that all the software requirements are met.

For details, see the following links:

• https://docs.docker.com/install/linux/docker-ce/ubuntu/
• https://docs.docker.com/install/linux/linux-postinstall/

Procedure

1. Update the package index:

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   sudo apt-get update

2. Install the necessary packages so apt-get can use packages over HTTPS:

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   sudo apt-get install \

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   apt-transport-https \

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   ca-certificates \

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   curl \

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   gnupg-agent \

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   software-properties-common

3. Add the official Docker repository’s GPG key to your system:

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   curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add –

4. Add the Docker APT repository to your system’s APT sources:

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   sudo add-apt-repository \

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   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \

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   $(lsb_release -cs) \

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   stable”

5. Update the packages again for the newly added Docker repository:

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   sudo apt-get update

6. Install the latest version of Docker CE (Community Edition):

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   sudo apt-get install docker-ce docker-ce-cli containerd.io

7. Create the docker group:

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   sudo groupadd docker

8. Add your user to the docker group:

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   sudo usermod -aG docker $USER

9. Log out and log back in so that your group membership is re-evaluated.

10. Enable docker to start on system boot:

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    sudo systemctl enable docker