Apache Configuration Error AH00558: Could not reliably determine

Apache Configuration Error AH00558: Could not reliably determine

This tutorial series explains how to troubleshoot and fix some of the most common errors that you may encounter when using the Apache web server. Each tutorial in this series includes descriptions of common Apache configuration, network, filesystem, or permission errors. The series begins with an overview of the commands and log files that you can use to troubleshoot Apache. Subsequent tutorials examine specific errors in detail.

This tutorial series explains how to troubleshoot and fix some of the most common errors that you may encounter when using the Apache web server.

Each tutorial in this series includes descriptions of common Apache configuration, network, filesystem, or permission errors. The series begins with an overview of the commands and log files that you can use to troubleshoot Apache. Subsequent tutorials examine specific errors in detail.

How To Troubleshoot Common Apache Errors

Series Description

This tutorial series explains how to troubleshoot and fix some of the most common errors that you may encounter when using the Apache web server.

Each tutorial in this series includes descriptions of common Apache configuration, network, filesystem, or permission errors. The series begins with an overview of the commands and log files that you can use to troubleshoot Apache. Subsequent tutorials examine specific errors in detail.

How To Troubleshoot Common Apache Errors

Introduction

There are three main commands, and a set of common log locations that you can use to get started troubleshooting Apache errors. Generally when you are troubleshooting Apache, you will use these commands in the order indicated here, and then examine log files for specific diagnostic data.

The commands that you will commonly use to troubleshoot Apache across most Linux distributions are:

  • systemctl - Used to control and interact with Linux services via the systemd service manager.
  • journalctl - Used to query and view the logs that are generated by systemd.
  • apachectl - When troubleshooting, this command is used to check Apache’s configuration.

These commands, how to use them, and Apache’s log locations where you can find additional information about errors are described in further detail in the following sections.

Note : On Debian and Ubuntu systems, the Apache service and process name is apache2 , whereas on CentOS, Fedora, and other RedHat-derived systems, Apache’s service and process name is httpd . Apart from the differences between the service and running process names, starting, stopping, and checking Apache’s status, as well as logs with journalctl  should work the same on any Linux system that uses systemd  to manage the Apache service. Be sure to use the correct name for your Linux distribution.

error ah00558 apache apache errors

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Apache Configuration Error AH00526: Syntax error

This error is encountered when the there is a typo or mis-configured setting in your Apache configuration files. It is a generic error that can be indicative of a number of underlying problems. An Apache AH00526: Syntax error message occurs when there is a typo or misconfigured setting somewhere in your Apache configuration files. It is a generic error that can be indicative of a number of underlying problems.

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