David Krause IT Services

    Impressum / Contact | skillset | github

  • Administration OS:

    • Linux Client

      • Ubuntu
      • Debian
      • Centos/Redhat

    • Linux Server

      • Ubuntu
      • Debian
      • Centos/Redhat
      • Proxmox (+ Clustering)

    • FreeBSD Server

      • TrueNas
      • OpnSense

    • MacOS

      • Mostly Client + some old MacOS Server

    • Windows 2000 -> Windows 11;

    • Windows Server 2012 -> Windows Server 2022

      • Active Directory

  • Wireguard

    • nimWgConfigurator
    • Site to site VPN (2 sites)
    • Road Warrior VPN (~150 Users)
    • QR Code generation for Mobile users

  • Bolt CMS Website development

    • https://biochem2.de
    • https://molsysmed.de/

  • nimja

    • A fast, compiled and typesafe template engine, written in Nim.

  • nimCms

    • self written (nim-lang), fast cms (https://github.com/enthus1ast/nimCms)
    • https://fcqc.de
    • https://frankfurter-medizinschule.de/

  • Proxmox

    • Clustering ~5-6 Node Cluster
    • Hosting of 30 - 40 VMs
    • Hosting of LXC Container

  • TrueNas

    • ~1 PB of Storage
    • Active Directory Integration for ~150 Users
    • COW Snapshots

  • Mentoring PHD Candidats

    • https://www.researchgate.net/publication/353092588_DynaTMT_A_user-friendly_tool_to_process_combined_SILACTMT_data

  • Programming for Data Analysis (JS, Python, R, ImageJ)

  • Grist

    • Custom CMS for a Research Institute
    • Custom Inventory Management
    • Copy on write database for GMO (Gene modified organisms), EU requirements.
    • Custom Infrastructure Monitoring

  • Data Visualisation

    • Plotly
    • Gephi
    • Cytoscape
    • Paper in Nature Communication
      • https://www.researchgate.net/publication/341374984_Proteomics_of_SARS-CoV-2-infected_host_cells_reveals_therapy_targets

  • Infrastructure Monitoring

    • Fast Custom with Grist + nim-lang
    • Monitoring of: Servers (Linux, Windows) , Cloud, Printers, Switches, Firewall (OpnSense), VM Cluster (Proxmox)