Apache

Configuring the Apache Error and Access Logs

Configuring the Apache Error and Access Logs
  1. What is Apache error log?
  2. How do I find the Apache error log?
  3. How do I change the Apache access log format?
  4. How do I enable Apache logs?
  5. Can I delete Apache access log?
  6. How do I check my server error log?
  7. Where are Linux error logs?
  8. What is Apache log file?
  9. What means error log?
  10. How do I disable Apache access log?
  11. What does %B represent in the log format?
  12. What is the purpose of error log file in Apache Web server?

What is Apache error log?

Error Logs

This apache log file often contain details of what went wrong and how to fix it. Default error log file location: RHEL / Red Hat / CentOS / Fedora Linux Apache error file location – /var/log/httpd/error_log. Debian / Ubuntu Linux Apache error log file location – /var/log/apache2/error.

How do I find the Apache error log?

By default, you can find the Apache access log file at the following path:

  1. /var/log/apache/access. log.
  2. /var/log/apache2/access. log.
  3. /etc/httpd/logs/access_log.

How do I change the Apache access log format?

Log Format

The LogFormat directive controls the layout and formatting of log events. Apache uses the Common Log Format (CLF) by default, but you can specify your own format string to change the fields included in each log. You can also use the CustomLog directive to change the location of the log file.

How do I enable Apache logs?

How can I enable the Apache HTTP access logs?

  1. Open the Apache HTTP configuration at /Applications/MAMP/conf/apache/httpd.conf.
  2. Find this line.
  3. Change the line to say the following. ...
  4. Restart Apache using the MAMP widgit, or by executing this command on the command line:
  5. Now, view your new logfiles!

Can I delete Apache access log?

If you are not going to use them you can delete it. I would recomend you to delete all logs but not the current one, and if you can I should use log rotate. If in use, deleting the log will make apache reload to re-open the just deleted file. What you can try is indeed logrotate, or try to empty the file.

How do I check my server error log?

Solution

  1. RHEL / Red Hat / CentOS / Fedora Linux Apache access log file location – /var/log/httpd/error_log.
  2. Debian / Ubuntu Linux Apache access log file location – /var/log/apache2/error. log.
  3. FreeBSD Apache access log file location – /var/log/httpd-error. log.

Where are Linux error logs?

Linux logs can be viewed with the command cd/var/log, then by typing the command ls to see the logs stored under this directory. One of the most important logs to view is the syslog, which logs everything but auth-related messages.

What is Apache log file?

The Apache access logs stores information about events that occurred on your Apache web server. ... Apache web servers also provide administrators with another type of log file called error logs. This log file is used to provide more information regarding a particular error that has occurred on the web server.

What means error log?

[′er·ər ‚läg] (computer science) A file that is created during data processing to hold data known to contain errors, and that is usually printed after completion of processing so that the errors can be corrected.

How do I disable Apache access log?

To stop the Apache web server from collecting access and error logs:

  1. Stop the Apache service using the Microsoft Windows Services console.
  2. Go to .. \PCCSRV\Apache2\conf\ and back up httpd. ...
  3. Edit httpd. conf using Notepad. ...
  4. Save the changes.
  5. Remove previous access. ...
  6. Restart the Apache service.
  7. Monitor the log size.

What does %B represent in the log format?

This string is used to log each request to the log file. It can contain literal characters copied into the log files and the C-style control characters "\n" and "\t" to represent new-lines and tabs.
...
Custom Log Formats.

Format StringDescription
%BSize of response in bytes, excluding HTTP headers.

What is the purpose of error log file in Apache Web server?

Error Log. The server error log, whose name and location is set by the ErrorLog directive, is the most important log file. This is the place where Apache httpd will send diagnostic information and record any errors that it encounters in processing requests.

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