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SAP installation · Lesson

Linux

Quick answer

Confirm HANA and the SAP instance start cleanly, login works, and OS parameters match the SAP recommendations.

Key takeaways

  • You prepare the OS per SAP notes, install HANA (for S/4HANA), then run SWPM to install the central services, connect to HANA, and…
  • A certified Linux distribution (typically SUSE Linux Enterprise Server or Red Hat Enterprise Linux) at a supported version.
  • HANA-specific OS tuning (kernel parameters, huge pages, disabled transparent huge pages, etc.).
  • Watch out: Uncertified Linux distribution/version.

Prerequisites

  • A certified Linux distribution (typically SUSE Linux Enterprise Server or Red Hat Enterprise Linux) at a supported version.
  • HANA-specific OS tuning (kernel parameters, huge pages, disabled transparent huge pages, etc.).
  • Required users, groups and file systems (including HANA data/log volumes).
  • SWPM and correct media.

The installation flow

You prepare the OS per SAP notes, install HANA (for S/4HANA), then run SWPM to install the central services, connect to HANA, and set up the application server. Linux hosts the whole stack for HANA-based systems, so OS preparation is especially important.

Linux/HANA specifics

  • Follow the SAP notes for OS tuning precisely, HANA is sensitive to them.
  • Lay out data, log and backup file systems correctly for performance.
  • Run under the correct adm and database OS users.

Verify

Confirm HANA and the SAP instance start cleanly, login works, and OS parameters match the SAP recommendations. Startup problems are usually OS tuning or file-system layout.

Common pitfalls

  • Uncertified Linux distribution/version.
  • Skipping HANA OS tuning from the SAP notes.
  • Poor file-system layout for data/log volumes.

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Check your understanding

  1. Which statement is true of Linux?

    • A. Linux hosts the whole stack for HANA-based systems, so OS preparation is especially important.
    • B. BAPIs provide stable, remote-enabled access to SAP business objects.
    • C. SOAP integration connects systems to SAP using XML web services with formal WSDL contracts, the classic…
    Show answer

    A. Linux hosts the whole stack for HANA-based systems, so OS preparation is especially important.

    Covered in the “The installation flow” section of this lesson.

  2. Which of these also applies to Linux?

    • A. Over-privileged roles and SAP_ALL misuse.
    • B. Wrong tool for the integration style.
    • C. Startup problems are usually OS tuning or file-system layout.
    Show answer

    C. Startup problems are usually OS tuning or file-system layout.

    Covered in the “Verify” section of this lesson.

  3. Which part of the Learn SAP curriculum covers Linux?

    • A. SAP projects
    • B. SAP installation
    • C. SAP MM
    Show answer

    B. SAP installation

    This lesson sits in the SAP installation section of the Learn SAP course.

Frequently asked questions

What does the term Linux refer to in SAP?

Linux is the primary platform for modern SAP, and the only supported OS for the SAP HANA database. Installing SAP on Linux uses SWPM against HANA (for S/4HANA), with careful attention to certified distributions and OS tuning.

What else is worth knowing about Linux?

Confirm HANA and the SAP instance start cleanly, login works, and OS parameters match the SAP recommendations.

What is the practical takeaway on Linux?

You prepare the OS per SAP notes, install HANA (for S/4HANA), then run SWPM to install the central services, connect to HANA, and set up the application server.

What tends to go wrong with Linux?

Uncertified Linux distribution/version. Skipping HANA OS tuning from the SAP notes. Poor file-system layout for data/log volumes.
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