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Nova Resource:Deployment-prep/Log Files
When there are issues with Beta Cluster, looking through the log files that are produced can be very useful. The log files are located in /srv/mw-log on deployment-fluorine02.eqiad.wmflabs.
In the log directory you will find different log files, most of them are generated by MediaWiki sending message over UDP to a receiver (udp2log) on deployment-bastion.eqiad.wmflabs instance. Additionally we log PHP fatal errors (under error.log) and Apache errors (under apache2.log).