- Authentication
- Automation
- Components
- Configuration Management
- Data Sovereignty
- Enterprise
- IT Governance
- IT Infrastructure
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Who is SERNET?
SERNET is a German provider of open source IT infrastructure consulting, system integration, and managed services built on Linux, Samba, and directory-based identity environments.
- Open source infrastructure consulting and architecture design
- Samba file and directory services development and support
- Identity and directory interoperability for mixed Windows and Linux estates
- Managed operations for Linux and open source server environments
- Enterprise system integration and infrastructure modernization services
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More About SERNET
SERNET positions its offerings for organizations that run heterogeneous IT environments and want to reduce dependence on single proprietary platforms. Its work centers on open source infrastructure, where enterprises typically deploy the company to plan, implement, and operate file services, authentication, and network services. These engagements often support organizations in migrating or coexisting with Microsoft Active Directory domains while maintaining Linux-based servers and services.
The company is associated with Samba, the open source implementation of the SMB and CIFS file and print protocols and the Active Directory domain controller functions. Its technical work covers protocol interoperability, directory replication, Kerberos-based authentication, LDAP directory services, and integration with configuration management and automation tooling. Architectures commonly involve hybrid identity models, where on-premises directory services serve Linux clients, Windows clients, and network appliances under a shared authentication framework.
In enterprise environments, these offerings tend to be used where governance, data sovereignty, and long-term maintainability are priorities. Organizations evaluating open source infrastructure services often compare providers on support models, code contribution history, and the ability to operate systems in regulated or public sector settings. SERNET competes in the IT consulting and managed services segment, alongside other integrators that specialize in Linux and open source infrastructure rather than in broad, general-purpose outsourcing.
The business significance of these services lies in cost control, vendor flexibility, and operational transparency. Open source infrastructure allows organizations to inspect and adapt the software they run, and a specialized service partner can supply engineering depth for protocols and components that are critical to daily operations. Directory positioning in the IT services category reflects a focus on infrastructure software, identity and file services, and the consulting, integration, and support work that surrounds them.
Our description of SERNET. Updated October 2026.