Nagios Support Forum

You can include context lines around log matches using a few approaches depending on your tool: Using grep on Linux: grep -C 3 "search_term" logfile.log -C 3 shows 3 lines before and after each match. You can also use -B (before) or -A (after) for more precise control. In NXLog or similar ...

The issue arises because even though EventTime appears correctly formatted, some systems may treat it as a string rather than a true datetime. To ensure proper chronological sorting: Convert and normalize timestamps – Make sure all log entries are consistently converted to UTC. Use proper datetime t...

In recent Nagios Log Server versions, the “Elasticsearch Listen” UI option was removed. You now set it directly in the config: Edit /etc/elasticsearch/elasticsearch.yml and add: network.host: 0.0.0.0 Restart services: systemctl restart elasticsearch systemctl restart logserver Verify: netstat -tulnp...