How to Set up and Use WordPress Error Log?

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How to Set up and Use WordPress Error Log?
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How to set up WordPress Error Logs?

There are two main server types Apache and
Nginx. Lets see how to set up a WordPress error
log for each of them.Apache is a powerful
open-source solution for web servers. The logging
capabilities in Apache are very flexible. Most
log setting options are applicable to any
operating system, but some of them are specific
only for Unix or Linux.Apache by default is
pretty well configured for logging ones site.
The standard httpd.conf file must have a section
of logs with detailed comments for each
directive.
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Apache WordPress Error Log

• The WordPress error log contains messages from
  Apache like errors, notifications, warnings, etc.
  This log is very useful for finding and fixing
  server-side problems. It is written in the sites
  Apache config file usually placed in
  /etc/apache/sites-available/ folder. Lets see
  how to set up it
• If you want to store all information about errors
  in one log, this directive will suffice. However,
  you can specify a WordPress error log file for
  each domain.

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Types of Errors

• The following error levels are defined in Apache
• emerg emergency the system does not function
• alert the error must be immediately corrected
• crit is a critical error
• error
• warn warning
• notice notification (normal operation)
• info information message
• debug debug message.

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WordPress Error Log Nginx

• Log files are the first place to look for errors.
  Especially if it relates to a web server. In
  Nginx, there are only two main logs error log
  and access log.
• Logging of the Nginx errors occurs in a specific
  file, stderr, or Syslog. It collects all the
  errors that occurred during the operation of the
  webserver. By default, it is enabled globally
• To log only certain errors, you need to place a
  directive in the HTTP, server, stream, or
  location section. And so you can only log
  critical errors and alarms