Server Log Information

Web servers (libhydpwl1, libhydpwl2, libhydqwl1, libhydqwl2, libhyddwl2)

• Apache logs
  • Read access for curate user only
  • All logs auto-rotate weekly
  • Only most recent month is kept
  • /var/log/httpd/scholar.uc.edu_access.log
    • no tracking data
    • no useful data
  • /var/log/httpd/ssl-scholar.uc.edu_access_ssl.log
    • contains user IP addresses
    • contains logs of Apache requests
  • /var/log/httpd/ssl-scholar.uc.edu_error_ssl.log
    • contains user IP addresses
    • contains logs of failed Apache requests
  • /var/log/httpd/error_log
    • no tracking data
    • appears to contain Resque pool error data
  • /var/log/httpd/native.log (Shibboleth)
    • no tracking data
    • no useful data
• Rails app logs
  • Separate logs are kept on each of the load-balanced web servers
  • A bash script (/srv/apps/curate_uc/scripts/rotate_log.sh) is used to move the log file to the /srv/apps/curate_uc-logs directory on the first of the month and during deployments.
  • /srv/apps/curate_uc/log/development.log (dev server)
  • /srv/apps/curate_uc/log/production.log (production and QA servers)
    • Contains all of the actions taken by the app. Can be useful for tracking down bugs in the app or figuring out why the site is down or misbehaving.
    • File sizes get very large vary quickly
    • no tracking data

Fedora servers (libhydpfl1, libhydqfl1, libhyddal1)

• Tomcat logs
  • None of the Tomcat logs are automatically rotated.
  • None of the Tomcat logs contain tracking data.
  • /usr/local/tomcat/logs/catalina.<date>.log
    • Contains logs about Tomcat itself (startup, shutdown, etc.)
    • File sizes are very small.
    • No tracking data
  • /usr/local/tomcat/logs/localhost.<date>.log
    • Logs errors and other details for Fedora
    • These log files can grow very large
  • /usr/local/tomcat/logs/localhost_access_log.<date>.txt
    • Logs the fetching and adding of objects to Fedora
    • This log file grows rather slowly
• Fedora
  • /usr/local/fedora/server/logs/fedora.log
    • Logs the fetching and adding of objects to Fedora
    • This log file grows very slowly
    • No tracking data

Solr servers (libhydpsl1, libhydqsl1, libhyddal1)

• Tomcat logs
  • None of the Tomcat logs are automatically rotated.
  • None of the Tomcat logs contain tracking data.
  • /usr/local/tomcat/logs/catalina.<date>.log
    • Contains logs about Tomcat itself (startup, shutdown, etc.)
    • File sizes are very small.
    • No tracking data
  • /usr/local/tomcat/logs/localhost.<date>.log
    • Logs errors and other details for Fedora
    • These files tend to stay small
  • /usr/local/tomcat/logs/localhost_access_log.<date>.txt
    • Logs Solr queries
    • This log file grows rather slowly