Apple container 1.0 and container machine: hands-on security test

A few days ago during WWDC26, Apple released container 1.0. The release notes are short, but the important part is clear: Apple wants people to try the new container machine functionality. As a team leader, when new products or tools enter the areas I work on, I like to spend some free time testing them directly. It helps me understand where they can be useful, where the limits are, and what security implications they may have for my engineering team or for customers. ...

June 12, 2026 · 11 min · 2164 words · Matteo Bisi

Resolving 'Operation Not Permitted' for CyberArk Conjur Cloud CLI on macOS

As a consultant, it’s always a pleasure to explore new tools, and since the end of 2024, we have been experimenting with CyberArk’s SaaS offering. The first component we started working with is Conjur Cloud, the SaaS version of Conjur Enterprise, which we are already very familiar with. Conjur Cloud features an impressive UI that allows users to configure and manage most settings seamlessly. Like Conjur Enterprise, it also has its own dedicated CLI, available for download on the CyberArk Marketplace. After installing the Conjur Cloud CLI on macOS 15.2, I encountered the following error when attempting to execute it: ...

January 17, 2025 · 1 min · 174 words · Matteo Bisi

macOS, Podman Desktop and the Podman Machine: Pay Close Attention to the Podman Version

Using Podman as the standard tool requested by clients for running local containers outside of a Kubernetes environment, I decided to start the year by installing Podman Desktop on my company MacBook. Podman Desktop features a user interface (UI) similar to Docker Desktop, making it easier to manage containers and images. It also includes plugin management to extend its functionality, such as deploying containers on Kubernetes. After installing Podman Desktop version 1.15.0, I proceeded with the setup but encountered issues with the Podman machine (the virtual machine dedicated to running containers) which failed to start. There were no errors; it just hung during startup. ...

January 10, 2025 · 2 min · 264 words · Matteo Bisi