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One of the basic problems with running a docker image is that its too easy to spew up multiple instances or containers of the same image. Consider running the following container for instance: docker run -it -e AWS_ACCESS_KEY_ID="test" -e AWS_SECRET_ACCESS_KEY="test" \ --net=host "prahladyeri/testimage:latest" /bin/bash This will start a fresh container instance from image prahladyeri/testimage:latest and you may optionally pass environment ...

Its has become an oft-repeated cliche now that docker has become the latest buzzword, both in DevOps circles as well as the open source community. But being the ever cynic and contrarian, I wasn’t quite convinced of its merits until quite recently, I thought it was just another hype that will come and go like all other things. After all, ...

Xubuntu is my favorite distro, hands down and the default Greybird theme is just wonderful! There used to be a time when I liked Ubuntu-MATE too, but not so much since they took the road to GTK+3! Coming back to the topic, XFCE works great but it has a small usability issue in the default Greybird theme which annoys most ...

Though I’m not a distro-hopper exactly, I keep trying live versions of popular linux distros like debian and ubuntu every now and then, and while I generally use the “dd” command which works right out of the box, today I thought that instead of burning a new ISO image each time, why not create a single 16GB USB stick which ...

Let’s say you need to install a Kubernetes cluster in your organization for development and testing purposes. Minikube looks like a perfect fit for that job. It was specially designed for users looking to try out Kubernetes or develop with it day-to-day. It runs a single-node Kubernetes cluster inside a VM on a standalone machine. So, you found a server for ...

Hello Friends, In this tutorial, you will learn the following : – How to check which process/application is using a particular port on Windows – How to check which port is being used by a particular process/application on Windows How to check which process/application is using a particular port on Windows Step 1 – Find the process id of the process which ...

Windows 10 is a great operating system when its clean and well-maintained but once you start cluttering it with more and more apps, your Internet speed typically starts to slow down and it becomes increasingly difficult to find out which background app is consuming your bandwidth. One way of tackling this is to harden the windows firewall by restricting outgoing ...

It happens because the docker client (on macOS or Windos 10) allows you to sign in with your email address and password. If you sign out and sign in with your Docker Username and password everything will work. So here’s a better description of the issue Description When trying to pull images from the Docker registry docker: Error response from daemon: ...

Abstract Suppose you want to start multiple Derby network servers on the same host. They need to be listening on different ports and ideally store their data in different locations. The listings below show Linux bash and Windows batch scripts to configure starting a Derby network server. In this example, the Derby network server will listen on port 1110. Each ...