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The error log format is descriptive and free-form, for example: Command line utilities such as “cat”, “grep”, “awk” and “sed” are used by server managers to access and find out the errors in Apache error log files. Whenever a problem occurs in the web server, apache error log file is the first place where analyzers must look for probable hints. Let us discuss the two Apache log files in detailsĪpache Error Log Files: The server error log file is the location where Apache HTTP Server sends all its diagnostic information and record of errors encountered during a processing requests.

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Following is the syntax of the Common Log Format: The Common Log Format is considered the standardized text file format used in log file generation by web servers. By default Apache creates all its log files in the Common Format however, most hosting providers set the Combined Log Format for their Apache servers.

To view and analyze the Apache log contents, special tools referred to as Apache log analyzers are being used.Īpache HTTP Server consists of two types of log files, namely, Apache Error Log Files and Apache Access Log Files. The Apache HTTP Server comprises of highly comprehensive and flexible logging capabilities that aid server managers to analyze the data contained in the log files.

For this purpose log file proves to be a very useful information store providing data about server performances and activities. This is important to know about the potential problems that may be occurring in the server and take counter measures in advance. Web server management involves getting timely and accurate feedback about the server performance as well as about the activities being performed on a web server.