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Technical guides from real engineering practice: installation, integration, automation, troubleshooting and production operation of modern Linux and open-source platforms. The articles connect concrete configuration with architecture, security, lifecycle, monitoring and operations.

  • grommunio Admin zeigt mehrere Organizations als zentrale Mandantenstruktur.
    grommunio & Groupware

    grommunio Multitenancy 2026: organizations, domains and multiple LDAP sources

    6 minutes read

    Part 9 of the grommunio 2026 series classifies multitenancy realistically: organizations, domains, per-organization LDAP, admin boundaries, mail flow, GAL, calendar, MDM and MSP limits.

    : grommunio Multitenancy 2026: organizations, domains and multiple LDAP sources
  • grommunio Admin zeigt mehrere Organizations als zentrale Mandantenstruktur.
    grommunio & Groupware

    grommunio Multitenancy 2026: Organizations, Domains und mehrere LDAP-Quellen einordnen

    5 minutes read

    Teil 9 der grommunio-2026-Serie ordnet Multitenancy realistisch ein: Organizations, Domains, per-Organization-LDAP, Admin-Grenzen, Mailflow, GAL, Kalender, MDM und Grenzen für MSP-Betrieb.

    : grommunio Multitenancy 2026: Organizations, Domains und mehrere LDAP-Quellen einordnen
  • Product Catalog in SUSE Multi-Linux Manager 5.2.
    Enterprise Linux,  Linux Lifecycle Management

    SUSE Multi-Linux Manager: manage mixed Linux

    Author:
    ForgeOneStamenography 17.
    Mathias Rumbold
    29 minutes read

    Operate heterogeneous Linux estates with SLES, SL Micro, Debian, Ubuntu, Rocky, Alma and Oracle Linux.

    : SUSE Multi-Linux Manager: manage mixed Linux
  • Relevant patches in SUSE Multi-Linux Manager.
    Enterprise Linux,  Linux Lifecycle Management

    SUSE Multi-Linux Manager: patch and lifecycle management

    Author:
    ForgeOneStamenography 17.
    Mathias Rumbold
    24 minutes read

    Relevant patches, staging, maintenance windows and CLM as a production update process.

    : SUSE Multi-Linux Manager: patch and lifecycle management
  • System list with registered SLES 16 client.
    Enterprise Linux,  Linux Lifecycle Management

    SUSE Multi-Linux Manager: onboard first clients

    Author:
    ForgeOneStamenography 17.
    Mathias Rumbold
    28 minutes read

    Activation keys, bootstrap, Salt key and system list for the first managed SLES 16 client.

    : SUSE Multi-Linux Manager: onboard first clients
  • SUSE Multi-Linux Manager dashboard after the base installation.
    Enterprise Linux,  Linux Lifecycle Management

    Install SUSE Multi-Linux Manager 5.2 for production

    Author:
    ForgeOneStamenography 17.
    Mathias Rumbold
    32 minutes read

    Practical guide for SUSE Multi-Linux Manager 5.2 on SL Micro 6.2: verify image, prepare appliance, configure storage, install with mgradm, connect SCC and sync the first channel.

    : Install SUSE Multi-Linux Manager 5.2 for production
  • SUSE logo
    Enterprise Linux,  Linux Lifecycle Management

    Install SLES 16 for production

    Author:
    ForgeOneStamenography 17.
    Mathias Rumbold
    31 minutes read

    Step-by-step guide for a registered, patched and remotely manageable SLES 16 server with Agama, SELinux, NetworkManager, Btrfs/Snapper and Cockpit.

    : Install SLES 16 for production
  • grommunio Web shows the registered ActiveSync device under Mobile Devices.
    grommunio & Groupware

    grommunio MDM 2026 step by step: manage ActiveSync devices safely

    Author:
    ForgeOneStamenography 17.
    Mathias Rumbold
    8 minutes read

    Overview The validated baseline is the openSUSE-based grommunio appliance 2026.06.1. The examples consistently use the neutral appliance domain https://mail.example.test; paths such as /web/, /admin/, /auth/, /chat/, /m…

    : grommunio MDM 2026 step by step: manage ActiveSync devices safely
  • Opened archived message with restore action in grommunio Archive.
    grommunio & Groupware

    Set Up grommunio Archive 2026

    Author:
    ForgeOneStamenography 17.
    Mathias Rumbold
    11 minutes read

    Step-by-step email archiving with grommunio Archive: installation, mail flow, search, restore, backup and monitoring.

    : Set Up grommunio Archive 2026
  • grommunio Files and Office with files, share status and Office integration.
    grommunio & Groupware,  Enterprise Linux

    grommunio Files and Office 2026 step by step

    Author:
    ForgeOneStamenography 17.
    Mathias Rumbold
    16 minutes read

    Practical guide for grommunio Files and Office: installation, Web entry, SSO classification, DOCX/XLSX/PPTX, sharing, saving, backup and troubleshooting.

    : grommunio Files and Office 2026 step by step