![]() ![]() ![]() In these tutorials, you’ll install and use Docker. Containers are like virtual machines, letting you isolate resources among processes however, containers are more portable and resource-friendly, and more dependent on the host operating system. Next, click Local since we are going to manage Docker installed in the localhost (CentOS 8). Docker is an application that simplifies the management of application processes in containers. Now open the web browser and type the CentOS IP address with the following format For example: Portainer create a new user You can install Portainer with this simple command docker volume create portainer_dataĭocker run -d -p 8000:8000 -p 9000:9000 -name=portainer -restart=always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer We can easily run the various applications, pull images, and manage Docker installation via a web browser. Portainer is a graphical Docker management. Now let’s run hello-world docker run hello-world Install Portainer on CentOS 8 We will try to pull an image from the Docker repository. Now reboot CentOS for the change to take effect. In order to allow Docker containers to communicate with the network, we need to disable firewalld on CentOS. If you want to add the normal user to Docker group, do the following sudo usermod -aG docker $USER Disable firewalld By default, only root and sudo user that can run and manage Docker. ![]()
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