Focusing on the fundamentals would've helped me catch up quickly with Docker and use it optimally sooner, as I do now.

You can spin up a new service with a single docker run command. Containers encapsulate everything needed to run an ...

Let’s say you want to run the same commands for updating and upgrading the software in your container. You’ll still need the container ID and can run a command like. docker exec ID apt-get ...

Note that you could use the -P option on the docker run command to publish all open ports on the container to the host and map a random high port such as 49153 back to port 80 on the container.

When you ran the docker run command, it will have presented you with a long ID number. You’ll need that number to access the image. Run the command: sudo docker exec -it CONTAINER_ID bash.

Open a command prompt or PowerShell, then pull a container image by using the command docker pull [image_name] (e.g., docker pull microsoft/nanoserver). Once downloaded, use the command docker run ...

In an enterprise environment, a heavily parameterized docker run command will easily expand beyond four or five times this length. It’s certainly not a command a DevOps engineer will want to edit, let ...

Docker-compose and Apache httpd. Let’s say you want to serve website files from your local system, using the open-source Apache HTTP server. It’s easy to start an Apache Docker image; just issue an ...

For example, if you have installed the DeepSeek-R1 model 1.5b, run the following command in the CMD every time you want to use it on your system: ollama run deepseek-r1:1.5b Now, you can chat with ...

Docker’s run utility is the command that launches a container. Each container is an instance of an image, and multiple instances of the same image can be run simultaneously. Docker Hub.