The Blog

Docker installation varies more than it should across Linux distributions. Here's the complete path for both Ubuntu and CentOS/RHEL, including the offline method for air-gapped production servers.

From installation to your first running container — including how Docker images actually work, every Dockerfile instruction, and how to keep image sizes under control.

Containers are one of those ideas that sound abstract until you understand the problem they solve — then you can't imagine going back.