Chapter 12. Preventing and Fixing Problems

Overview of cache, data backup, and log concepts. Task on clearing the cache is covered. Part of the Drupal 8 User Guide.

12.1. Concept: Cache

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Overview of the cache and the site data that can be cached.

12.2. Clearing the Cache

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How to clear the cache using Drush or the user interface.

12.3. Concept: Data Backups

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Overview of data backups and what should be backed up on a site.

12.4. Concept: Log

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Overview of logs and where to find recent log messages.

12.5. Concept: Status Report

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Overview of the status report and where to find it on a site.