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How to Keep Docker Container Running for Debugging

This post will look at how to keep a Docker container running for testing, debugging, and troubleshooting purposes. When you are getting started with Docker, you might have faced the problem of Docker container exiting immediately after starting. Normally this does not occur if you try to run a official Nginx container. But if you …

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Running Custom Scripts In Docker With Arguments – ENTRYPOINT Vs CMD

Use Case:  You need to run a custom shell script in your Docker container with arguments passed to the script. These arguments decide how the script should be run inside the container. In this guide, we will look int to running custom shell scripts inside a Docker container with command line arguments. The key Dockerfile …

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Udacity Launches SUSE Cloud-Native Foundations Scholarship Program

Udacity has in partnership with SUSE launched the SUSE Cloud-Native Foundations Scholarship Program for aspirants to become a Cloud Native Practitioner Here is what the Udacity VP of Scholarship and Corporate Social Responsibility says about the program. “Partnering with SUSE to offer cutting-edge online course content and expert instruction using open source technologies will provide a clear …

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Kubernetes v1.21 Released: Here is What you should know

In this blog, we will look at the key changes in the Kubernetes v1.21 release. PodSecurityPolicy Depreciation As per the official Kubernetes blog PSP (Pod Security Policy) is Deprecated in v1.21. It doesn’t mean that it will be removed in v1.2. PSP feature will continue to exist till version 1.25 as per the current plan. …

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How to Setup Prometheus Node Exporter on Kubernetes

If you want to know how the Kubernetes nodes perform or monitor system-level insights of kubernetes nodes, you need to set up a Prometheus node exporter on Kubernetes cluster. This guide will walk you through the node-exporter setup on a Kubernetes cluster and integrate Prometheus scrape config to scrape the node metrics. What is Prometheus …

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Packer Tutorial For Beginners – Automate AMI Creation

Packer is an opensource VM image automation tool from Hashicorp. It heps you automate the process of Virtual machine image creation on cloud as well as on-prem virtualized environments. Packer Use Cases Following are the main use cases for Packer. Golden Image Creation: With packer, you can add all the configurations required for creating a …

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How to Get Free Digital Ocean Credits – $100 Free Credits + Codeanywhere Account

Who doesn’t want free digital ocean credits for creating VM’s on the cloud? VM’s comes in handy to develop and test applications or to deploy docker containers. And Digitalocean is our favorite when it comes to deploying virtual machines for hosting applications. To support all Devopscube readers to get free digital ocean credits, we have …

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