Pre-requiste sanity checks

[admd]

Context

Before proceeding with the installation of SUSE Manager (Server/Proxy), a comprehensive prerequisite check needs to be conducted to ensure that the target system meets all necessary requirements. These checks will help prevent installation failures and ensure optimal performance and compatibility.

User story

As a system administrator, I want that mgradm/mgrpxy verify

• Network configuration to ensure that necessary ports are open and accessible for SUSE Manager
• Confirm the system has enough memory and storage available.
• All required software dependencies are installed
• ...
• ...

Definition of Done

• Ensure all the requirements are met before proceeding with the installation and abort if it doesn't
• Give a meaningful/useful information about the missing requirement
• These requirements should match with the documentation

[mbussolotto]

other things that needs to be verify #323