l, -log-level string Set the logging level ('debug'|'info'|'warn'|'error'|'fatal') (default 'info') H, -host list Daemon socket(s) to connect to config string Location of client config files (default '/root/.docker') The output should be similar to the following: A self-sufficient runtime for containers To list all available commands, we need to run the docker command with no parameters: docker The syntax of the Docker CLI command takes this form: docker In the next steps, we will show you how to use the docker command.

└─4234 /usr/bin/dockerd -H fd:// -containerd=/run/containerd/ containerd.sockĭocker has now been successfully installed. Loaded: loaded (/lib/systemd/system/rvice enabled vendor preset: enabled) The output should be similar to the following: rvice - Docker Application Container Engine We can verify that it’s running with the following command: sudo systemctl status docker Next, we will add the Docker repository, enable it, and install it with the following commands: sudo yum-config-manager -add-repo Īfter the installation has completed, we will start the Docker daemon: sudo systemctl start docker We will install some required dependencies with the following command: sudo yum install yum-utils device-mapper-persistent-data lvm2 The recommended way to install Docker is to install from the Docker repositories. Once the update is completed, we can move onto the installation step. You can do this by running the following command: sudo yum update Full SSH root access, or a user with sudo privileges is also required.Ĭonnect to your server via SSH as the root user using the following command: ssh -p PORT_NUMBERĪnd replace “ IP_ADDRESS” and “ PORT_NUMBER” with your actual server IP address and SSH port number.īefore starting with the installation, you will need to update your system packages to their latest versions.For the purposes of this tutorial, we will use a CentOS 7 VPS.Step 4: The Docker Command Line Interface.

Docker centos 7 install