:navigation-title: Server & administration
..  include:: /Includes.rst.txt

.. _troubleshooting-webserver:

========================================================
Troubleshooting Server and administration related topics
========================================================

You can find detailed information on the following topics in TYPO3 Explained:

..  card-grid::
    :columns: 1
    :columns-md: 2
    :gap: 4
    :class: pb-4
    :card-height: 100

    ..  card:: :ref:`TYPO3 <t3coreapi:troubleshooting-typo3>`

        *   `Creating a TYPO3 backend administrator <https://docs.typo3.org/permalink/t3start:backend-users-admin-creation>`_
        *   :ref:`Reset The Install Tool Password <t3coreapi:troubleshooting-install-tool-password>`
        *   :ref:`Enabling Debug Mode <t3coreapi:troubleshooting-debug-mode>`
        *   :ref:`Caching <t3coreapi:troubleshooting-caching>`


    ..  card:: :ref:`System Modules <t3coreapi:troubleshooting-system_modules>`

        *   :ref:`Log <t3coreapi:troubleshooting-system-modules-log>`
        *   :ref:`DB Check <t3coreapi:troubleshooting-system-modules-dbcheck>`
        *   :ref:`Configuration <t3coreapi:troubleshooting-system-modules-configuration>`
        *   :ref:`Reports <t3coreapi:troubleshooting-system-modules-reports>`


    ..  card:: :ref:`PHP <t3coreapi:troubleshooting-php>`

        *   :ref:`PHP Modules <t3coreapi:troubleshooting-php-modules>`
        *   :ref:`PHP Caches, Extension Classes <t3coreapi:troubleshooting-php-caches-extension-classes-etc>`
        *   :ref:`Opcode cache messages <t3coreapi:troubleshooting-php-troubleshooting_opcode>`


    ..  card:: :ref:`Web server <troubleshooting-webserver>`

        *   :ref:`Apache - enable mod_rewrite <t3coreapi:troubleshooting-enable-mod_rewrite>`
        *   :ref:`Apache - adjust ThreadStackSize (Windows) <t3coreapi:troubleshooting-adjust-threadstacksize-on-windows>`


    ..  card:: :ref:`Database <t3coreapi:troubleshooting-database>`

        *   :ref:`MySQL - character sets <t3coreapi:troubleshooting-character-sets>`