Apache | Log Files | Setting the Level Recorded in the Error Log (LogLevel)
For the error log, you can specify how severe an error must be to be recorded by using eight levels. Configure it with LogLevel.
LogLevel level-to-record
The configurable levels are as follows.
| Level | Meaning |
|---|---|
| emerg | A serious error that prevents the server from operating |
| alert | An error more serious than crit |
| crit | A critical error |
| error | An error |
| warn | A warning |
| notice | A notice message |
| info | Server information |
| debug | Information for debugging |
The levels are more serious from the top. If you set the level to error, errors above error, such as crit, alert, and emerg, are also recorded.
Setting a lower level leaves more information in the log, but the log file becomes larger, so change the setting as needed.
Search for LogLevel in the httpd.conf file, and you should find content like the following.
#
# LogLevel: Control the number of messages logged to the error_log.
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
#
LogLevel warn
By default, LogLevel is set to warn. To change it, replace warn with another level value.