
You can also check Docker version you’ve just installed by running this command: docker-version Once the installation is complete, it is a good idea to check the status of the service: sudo systemctl status docker Use the apt command to install Docker: sudo apt install docker-ce Make sure you are installing from the Docker repo instead of the default Ubuntu repo with this command: apt-cache policy docker-ceĪ correct output will look like the following with different version numbers: docker-ce:Īs you can see, docker-ce is not installed, so we can move on to the next step. Next, we add the repository: sudo add-apt-repository "deb $(lsb_release -cs) stable"Īfter that, just update the repository information: sudo apt update This enables us to use the officially supported method of the installation.įirst, we add the GPG key, by entering the following command in the command line: curl -fsSL | sudo apt-key add. This will make the installation process much easier. Now we have to add the Docker repositories.

Access Your VPSįirst, we have to connect to the server using SSH. However, the installation process will not be complicated because of it. How to Install Docker on Ubuntu 18.04ĭocker is not in the official Ubuntu 18.04 repositories.

In addition, docker works with OS sensitive mount points like /sys and /proc which are read-only mounts. Segregation in an isolated environment is another core aspect of Docker that attracts developers. Think of services like Microsoft Azure, Puppet, Ansible, OpenStack and others. This utility also supports multi-cloud computing, which means it is adaptable to applications that use cloud computing for saving data on servers. It becomes a laboratory in itself where a user can experiment with new commands to fill in the container and make it functional in various tasks. Let’s do a quick rundown of the main benefits users experience when using Docker.ĭocker is adaptable allowing users to carry out continuous testing, deploy and check outcomes as many times as they want, with as many implications.

How to Start Using Docker on Ubuntu 18.04.
