Does anyone have examples of how to use Splunk to identify server errors?
This use case enables system administrators to identify when logs generate error messages or exceptions so they can receive timely notifications and take timely action.
This use case is from the Splunk Essentials for Infrastructure Troubleshooting and Monitoring app. For more examples, see the Splunk Essentials for Infrastructure Troubleshooting and Monitoring on Splunkbase.
How to implement:
Data check: This use case depends on application logs and operating system logs.
Find errors, failures and exceptions from all over your network using the Splunk Add-on for Windows or *nix. Search for error messages and exceptions so you can investigate and correct them.
Use the following search:
host=* (*error* OR *exception* OR *fail*)
| head 100
| table _time host sourcetype _raw
| sort host asc, _time desc
Best practice: In searches, replace the asterisk in index=* with the name of the index that contains the data. By default, Splunk stores data in the main index. Therefore, index=* becomes index=main. Use the OR operator to specify one or multiple indexes to search. For example, index=main OR index=security. See About managing indexes and How indexing works in Splunk docs for details.
index=main OR index=security
If no results appear, deploy the Add-ons to the search heads to access the knowledge objects necessary for simple searching. See About installing Splunk add-ons on Splunk Docs for assistance.
For more support, post a question to the Splunk Answers community.
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