Analyze Nginx's access logs with goaccess
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sudo zcat /var/log/nginx/*.access.log.* | goaccess --log-format=COMBINEDShow server errors
sudo zcat /var/log/nginx/*.access.log.* | awk '$9~/500/' | goaccess --log-format=COMBINEDsudo zcat /var/log/nginx/*.access.log.* | goaccess --log-format=COMBINEDsudo zcat /var/log/nginx/*.access.log.* | awk '$9~/500/' | goaccess --log-format=COMBINED