Docker is a tool that allows you to easily build, test and deploy applications smoothly and quickly using containers. Containers allow a developer to package an application with its dependencies and ship it out as a single package. Docker provides a more efficient and lightweight environment to deploy the application.
Notice that docker-ce is not installed, but the candidate for installation is from the Docker repository for Ubuntu 19.10. The docker-ce version number might be different. Finally, install Docker. Instructions for installing Docker Engine on Ubuntu. Got multiple Docker repositories? If you have multiple Docker repositories enabled, installing or updating without specifying a version in the apt-get install or apt-get update command always installs the highest possible version, which may not be appropriate for your stability needs. Instructions for installing Docker Engine on Ubuntu. Got multiple Docker repositories? If you have multiple Docker repositories enabled, installing or updating without specifying a version in the apt-get install or apt-get update command always installs the highest possible version, which may not be appropriate for your stability needs. Oct 01, 2021 Docker Ce Install Ubuntu 19.10. Older versions of Docker were called docker, docker.io, or docker-engine.If these are installed, uninstall them: It’s OK if apt-get reports that none of these packages are installed. The contents of /var/lib/docker/, including images, containers, volumes, andnetworks, are preserved. If you do not need to save. Docker is included in Ubuntu software repository. We can install the Docker runtime by executing the following command in terminal. This works on any current Ubuntu versions, including Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.10, Ubuntu 20.04. Sudo apt install docker.io. During the installation, a docker group and a Systemd service will be created.
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In this tutorial helps you to install Docker on Ubuntu 19.10/18.04
Step 1: Uninstall Old Versions
If old version of Docker is installed in your system then please remove it and it’s dependencies before proceeding with the installation.
Step 2: Add Docker Repository
Run the following command which will add the Docker repository to your system:
First, update the apt package index and install packages to allow apt to use a repository over HTTPS
Add Docker’s official GPG key:
Verify that you now have the key with the fingerprint 9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88.
Use the following command to set up the stable repository.
Step 3: Install Docker Engine
Docker engine official repository is now available in your system. Now you can install the Docker using the following command
Step 4: Install Specific Versions Docker Engine
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To install a specific version of Docker Engine, list the available versions in the repo, then select and install:
List and sort the versions available in your repo.
Install a specific version by its fully qualified package name.
Step 5: Start Docker
After, Docker package has been installed, start the docker service and enable it at boot time using the below commands:
Step 6: Check Docker Version
Run mention command to check the docker version.
Step 7: Check Docker Info
Now, you can check some docker info using mention command.
Step 8: Verify that Docker Engine
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Verify that Docker Engine is installed correctly by running the following command.
Reference:
Docker Install Ubuntu 19.04
Enjoy it!