The core activity of Bo Jin Consulting is to advise and support customers in the administration and implementation of Linux-based open-source technologies, particularly in the areas of: Linux and SUSE administration, High-Availability clustering (Pacemaker, SAP HANA, Netweaver), container orchestration (Kubernetes, Rancher), automation and configuration (Salt, Ansible), monitoring (Prometheus, Grafana), scripting and programming (Python, Golang), and security and compliance (OpenSCAP). The company offers services such as installation, configuration, training, and support for these technologies.