Installing Docker

Procedure

1. Use PuTTY to log in to the server as the root user.
2. Download the installation package and decompress it.

   cd /path/to
   wget https://download.docker.com/linux/static/stable/aarch64/docker-18.09.8.tgz
   tar -xzvf docker-18.09.8.tgz

3. Configure Docker.

   cp -p docker/* /usr/bin/
   vim /lib/systemd/system/docker.service

   Add the following content and save the file.

   [Unit]
   Description=Docker Application Container Engine
   Documentation=https://docs.docker.com
   After=network-online.target firewalld.service
   Wants=network-online.target
   [Service]
   Type=notify
   ExecStart=/usr/bin/dockerd
   ExecReload=/bin/kill -s HUP $MAINPID
   LimitNOFILE=infinity
   LimitNPROC=infinity
   TimeoutStartSec=0
   Delegate=yes
   KillMode=process
   Restart=on-failure
   StartLimitBurst=3
   StartLimitInterval=60s
   [Install]
   WantedBy=multi-user.target

4. Start the Docker service.

   systemctl start docker.service

5. View the Docker version.

   docker version

   If the version 18.09.8 in displayed in the command output, the installation is successful.