Proxmox is perfect for efficiently managing virtual environments and creating private clouds.

Virtualization is key for modern IT infrastructure. It lets you run multiple virtual machines on a single physical machine, optimizing resource utilization and reducing costs. It also boosts scalability, flexibility, and disaster recovery.

Argo CD has become a crucial tool in the Kubernetes world, praised for its effective use of GitOps principles.

GitOps, which centralizes deployment configurations in Git repositories, empowers DevOps teams by automating and streamlining workflows.

Grafana and Prometheus help you monitor business performance effectively by visualizing key data in real time. Grafana offers real-time, customizable dashboards, widely adopted for their superior data visualization capabilities, including by leading German companies.

Keycloak, an open-source identity and access management solution, offers a robust platform to handle user authentication and authorization effectively.

However, managing Keycloak in-house can be resource-intensive and complex.

Technology and licensing models are always changing, and small and medium-sized businesses need to adapt.

Since February 14th, 2024, VMWare has withdrawn free vSphere licenses, creating challenges in updating and supporting software. The free version is no longer supported, and users of the free VMWare ESX/ESXi versions cannot run new VMs, and stopped VMs cannot be restarted.

Setting up a Keycloak HA cluster using Kubernetes significantly enhances the reliability and scalability of your identity and access management system.

High availability is essential because it prevents service interruptions that can lead to user dissatisfaction and potential revenue loss. In identity management, downtime can prevent users from accessing critical services, making HA even more crucial.