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Tag: Docker

Docker is a set of platform as a service (PaaS) products that uses OS-level virtualization to deliver software in packages called containers.

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What is Mastodon?

Mastodon is a free, open source software written in Ruby on Rails and JavaScript (React.js and Redux). It is designed for running self-hosted social networking services. In terms of microblogging features, Mastodon is very similar to Twitter. It provides a huge number of running Mastodon nodes, and every instance has its own moderation policy, code of conduct, and terms of service.

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How to Run Rootless Docker Containers

Posted on by Joseph Molloy | Updated:
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Ever found yourself in a situation where you want to use Docker but don’t have root access? Or perhaps you wish to provide Docker access to your team or clients but aren’t comfortable giving them root privileges.

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Podman vs Docker: A Comparison

Posted on by Noti Peppas | Updated:
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Containerization has been taking the app development world by storm. In today’s technological landscape, it’s common to hear Docker associated with containers, but there are other options.

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What is Podman?

Podman (Pod Manager) is a tool used to develop, manage, and run containers and images. It can perform functions that support and modify container images and also retrieve and tag containers.

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If you're invested in the world of web development, you might have already heard of containerization and all its advantages or even enjoyed them yourself by using one of the many available containerization solutions. It’s not an exaggeration to say that software containerization has changed the world, just as the change from bare metal to virtual machines (VMs) did. 

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What is a Secret? 

k8s secrets

A Kubernetes Secret is an object that enables us to store and manage sensitive information. A Secret can contain data like SSH keys, OAuth data, or other user authentication information like passwords. It is typically stored within a cluster in a manner native to Kubernetes. Using a Secret object provides more granular control over how highly sensitive data is used. It also lowers the risk of data exposure to unauthorized parties. 

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What is KubeKey?


KubeKey is the newest Kubernetes installer for KubeSphere. KubeSphere is a distributed OS management system for cloud-native applications using Kubernetes as its kernel. It provides a plug-and-play structure for seamless integration of many third-party applications. It is somewhat similar in nature to MiniKube for installing Kubernetes.

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Teleprescence logo

What is Telepresence?

Initially developed by Datawire, Telepresence is a new open-source tool supported by the CNCF (Cloud Native Computing Foundation). It allows developers to run local software while connected to a remote Kubernetes cluster. The application uses a two-way network proxy to simulate TCP connections, environmental variables, and other volumes of services as local processes. This link allows for remote work to be accomplished while seemingly local to the cluster via the proxied connection. 

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What is Jenkins?

Jenkins is an open-source software written in Java and Scala. This software allows users the ability to automate almost any task and, it saves significant time that can be better utilized addressing other issues. When automating tasks with Jenkins, users can optimize their workflow by quickly automating the jobs that servers cannot do themselves. In this tutorial, we will learn how to install Jenkins on CentOS 8. We will also explore what its purpose is and share several benefits that Jenkins offers. We will then configure it to run on our CentOS 8 server.

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