Pointer·4yA Visual Guide to SSH Tunnels (with labs)
SSH is yet another example of an ancient technology that is still in wide use today. With nothing but standard tools, you can achieve the following: Access internal VPC endpoints through a public-facing EC2 instance. Expose any local server from a home/private network to the outside First, we need to prepare the server - a machine with the SSH daemon and a simple web service listening on 127.0.1:80. The web service is a simple online service.
Community Picks·4y9 Docker Extensions Every Developer Must Try
vclusters is a tool with which you can create virtual clusters on top of any Kubernetes cluster. The extension is readily available on the Docker desktop extensions tab and can be installed with a click. The command to list your vcluster list is, vCluster list 4.
Community Picks·3ynektos/act: Run your GitHub Actions locally 🚀
You can use the GitHub Actions defined in your GitHub Actions to run your actions locally. The environment variables and filesystem are all configured to match what GitHub provides. If you are using Windows, please follow the steps outlined in Docker Docs for how to install Docker Desktop on Windows.
DEV·3yTidy up your machine with Visual Studio Code Dev Containers
The Visual Studio Code Dev Containers extension lets you use a Docker container as a full-featured development environment. It allows you to open any folder or repository inside a container and take advantage of Visual Studio code's full feature set. So far, after the startup, you're ready to develop inside the docker container with a fully configured environment.
Dev Genius·4yDocker security: Risks and Best Practices
The Docker daemon generates and manages your Docker objects, such as images, containers, networks, and volumes. By default, the process inside a container is run as root (id=0) To enforce the principle of least privilege, you should set a default user. Testing should be a part of every development project that considers security.
Community Picks·4yWhen Is Serverless More Expensive Than Containers?
Serverless applications offer significant cost of ownership (TCO) advantages compared to containers. Comparing provisioned services like EC2 with a pay-for-what-you-use service like Lambda is difficult but not impossible to do. The tipping point is usually difficult to objectify.
Linux Handbook·4yDocker Alternatives for Your Containerization Needs
Docker is not the only tool you can use for Linux container management. There are several other tools you can consider using instead of Docker. In this article, I am going to list such container tools. What do you mean by "Docker replacement"?
Tuts+·4yDocker From the Ground Up: Building Images
Docker containers are on the rise as a best practice for deploying and managing cloud-native distributed systems. In part one I discussed the basic principles, design considerations, and inspecting image internals. In this part, I cover building your own images, troubleshooting, and working with image repositories.
