Install Docker on Ubuntu 18.04
Docker is very popular tool which creates container in the application development, same software, configuration will be packaged and used for testing and production.
In this exercise, we will install docker in a Ubuntu server
Check Ubuntu version
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.3 LTS
Release: 18.04
Codename: bionic
Update package
sudo apt-get update
Remove old version if exists
sudo apt-get remove docker docker-engine docker.io
Install Docker
sudo apt install docker.io
Auto start Docker service
sudo systemctl start docker
sudo systemctl enable docker
Synchronizing state of docker.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable docker
Check Docker version
docker -v
Docker version 18.09.7, build 2d0083d
Hello world
docker run hello-world
Hello from Docker!
This message shows that your installation appears to be working correctly.