Difference between revisions of "Log Files"
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EPrints produces a number of log files, as do the integral components of EPrints such as Apache and MySQL. Below is a list of logs files that may be of interest for debugging EPrints. (Please note that log files may appear in different place for different operating systems): | EPrints produces a number of log files, as do the integral components of EPrints such as Apache and MySQL. Below is a list of logs files that may be of interest for debugging EPrints. (Please note that log files may appear in different place for different operating systems): | ||
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Revision as of 12:12, 8 September 2017
Work in Progress
The page is a work in progress.
Only some of the log files produced by EPrints and associated applications have been listed so far.
EPrints produces a number of log files, as do the integral components of EPrints such as Apache and MySQL. Below is a list of logs files that may be of interest for debugging EPrints. (Please note that log files may appear in different place for different operating systems):
| Name | Typical Location on Red Hat based Linux | Typical Location on Debian based Linux | Purpose | Uses |
|---|---|---|---|---|
| Apache access log | /var/log/httpd/access_log | /var/log/apache2/access.log | Logs all accesses to HTTP URLs hosted by Apache unless an individual access log has been created for a particular "virtualhost". | Can be searched over to check IP addresses that are making excessive or malicious requests. |
| Apache error log | /var/log/httpd/error_log | /var/log/apache2/error.log | Logs all issues that occur with Apache or underlying application (i.e. perl and mod_perl) when attempting to service URL requests. | Can be used to debug issues with EPrints code base, where a script cannot or behaves normally when run directly from the command line. |
| Apache ssl access log | /var/log/httpd/ssl_access_log | /var/log/apache2/ssl_access.log | Logs all accesses to HTTPS URLs hosted by Apache unless an individual access log has been created for a particular "virtualhost". | Can be searched over to check IP addresses that are making excessive or malicious requests for HTTPS URLs. |
| Apache ssl error log | /var/log/httpd/ssl_error_log | /var/log/apache2/ssl_error.log | Logs all issues that occur with Apache or underlying application (i.e. perl and mod_perl) when attempting to service HTTPS URL requests. | Can be used to debug issues with EPrints code base, where a script cannot or behaves normally when run directly from the command line. |
| MySQL log | /var/log/mysql/mysql.log or /var/log/mariadb/mariadb.log | /var/log/mysql/error.log | Logs general operational issue about MySQL and any errors that occur with the application but not specific database queries | Only really useful if MySQL / MariaDB will not start properly. |
