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New features in Docker Desktop 4.28

14 mars 2024 à 12:45
Docker Desktop is designed for developers working on macOS and Windows. It offers a user-friendly interface for running Docker containers. It uses a lightweight virtual machine (VM) with a Linux kernel in the background so that you can run Linux containers on non-Linux systems. Docker Desktop does a great job hiding all the aspects of the VM under the hood so that Docker containers appear to be running natively on your host computer. Docker Desktop received an update a few days ago, and in this post, we will discuss what's new in Docker Desktop 4.28.

Convert certificate format with OpenSSL

5 mars 2024 à 13:40
OpenSSL is an open-source library and a command-line tool that helps admins and developers perform various cryptographic tasks, such as generating key pairs, certificate signing requests (CSR), verifying certificates, encrypting and decrypting data, identifying certificate information, verifying file integrity and much more. In this post, you will learn how to convert TLS certificates into different formats with OpenSSL.

Manage Docker with VS Code

8 février 2024 à 10:18
You can manage Docker images and containers directly within Visual Studio Code (VS Code) with Microsoft's Docker extension. This article walks you through adding Docker files to a Workspace, creating a containerized application environment, and explains how to build and run Docker containers directly from the VS Code interface.

RBAC in Kubernetes

8 décembre 2023 à 12:05

In a previous post in this Kubernetes guide, you learned about deploying stateful applications with Kubernetes StatefulSets. Today, we will discuss role-based access control (RBAC) in Kubernetes, which controls who can access Kubernetes cluster resources. It uses roles and role bindings to grant permissions to subjects, such as users, groups, or service accounts.

The post RBAC in Kubernetes first appeared on 4sysops.

Kubernetes CoreDNS

4 décembre 2023 à 11:53

In a previous post in this Kubernetes guide, you learned about deploying stateful applications with Kubernetes StatefulSets. Today's post will discuss Kubernetes CoreDNS. Earlier versions of Kubernetes used kube-dns to provide service discovery and name resolution within the cluster, which was based on dnsmasq and SkyDNS. The kube-dns had many problems, such as security vulnerabilities, scalability concerns, and higher latency, so starting with Kubernetes version 1.13, CoreDNS became the default cluster DNS server.

The post Kubernetes CoreDNS first appeared on 4sysops.

Update container images with Copa

27 novembre 2023 à 13:17

Copa, an open-source container image security tool from Microsoft, addresses the need to update container images. It lets you immediately patch container image vulnerabilities without relying on developers or maintainers.

The post Update container images with Copa first appeared on 4sysops.
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