Docker is installed offline

Installation environment: centos 7.6

Tools: MobaXterm

1. Download the appropriate installation file from docker’s official website. This time, “Docker-20.10.3.tgz” is used.

   Download address: download.docker.com/linux/stati…

2. Use MobaXterm to connect to the Centos system and upload the Docker installation package. This time, upload the file to the /opt/ folder

3. Run the tar XZVF docker-20.10.3. TGZ command to decompress the installation package.

   [root@CentOS opt]# tar XZVF docker-20.10.3. TGZ docker/docker /docker /runc docker/ CTR docker/dockerd docker/docker-init docker/docker-proxy docker/containerd-shim-runc-v2 docker/containerd-shim docker/containerdCopy the code

4. Go to the docker directory and copy all files in the directory to /usr/bin/.

   [root@CentOS opt]# cd docker/
   [root@CentOS docker]# cp * /usr/bin/
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5. Perform “vim/etc/systemd/system/docker. Service” command, and then add the following content in the file, and then press “esc”, exit the editor, enter “:’ve” from the file editor.

   [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.targetCopy the code

6. Add executable permission to a file

   chmod +x /etc/systemd/system/docker.service
   systemctl daemon-reload 
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7. Powered up

   systemctl enable docker.service
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8. Start the Docker

   systemctl start docker
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9. test

   [root@CentOS ~]# docker -v
   Docker version 20.10.3, build 48d30b5
   [root@HikvisionOS ~]#
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