I am responsible for virtualization and networking, and other services related to the systems including Linux and Windows, but the security part is actually the responsibility of the French team in our headquarter.
Currently, I am dealing with Linux systems. We were on Red Hat Enterprise Linux and because of the license system, we have changed to use Rocky Linux and AlmaLinux.
Rocky Linux is suitable for our needs. We haven't specialized applications, just managing our network. Here we construct a model of infrastructure independent which must respond to the needs of our client, and we make tests. These are tests for VBS and some electronics that are made and developed here. It's an experimental infrastructure with many dynamic changes and many needs from our project manager. With our team, we can provide support as needed. We have a very good team with high skills in Linux and development, and it works correctly with no enterprise cost or enterprise license. At the same time, we have to conform to ISO 27001. We try to have the latest patch management, and we try to use some open source centralized platforms to manage or supervise what we have.
We are using Rocky Linux on servers including Cisco UCS M5, M4, and we have some Dells 750, 740, with high-performance computing tasks. We have stronger servers.