1/14/2024 0 Comments Splunk inputs.conf file location![]() A Splunk platform deployment can have multiple copies of the same configuration file in different directories. ![]() Splunk software uses configuration files to set defaults and limitations. Each stanza identifies settings that specify the configuration.īefore you edit a configuration file, you need to understand how the file's stanzas are structured. This layering effect that allows your Splunk platform deployment to determine configuration priorities.īefore you edit a configuration file, you need to know where to create the custom version of the configuration file.Ĭonfiguration files consist of stanzas. You can have configuration files with the same name in your default, local, and app directories. The following table describes what you need to know and where to find that information: You must understand how the configuration system works across your deployment and where to make the changes.You must be a user with file system access, such as a system administrator.You must meet the following prerequisites to edit configuration files: conf layering just handles it for you.To customize a Splunk platform instance to meet your specific needs, you can edit the built-in configuration settings. For example you could have a $SPLUNK_HOME/etc/system/local/nf with Īnd then the. And with proper configuration-file-overlaying, this is not an issue at all. It doesn't answer the question you asked, but it solves the problem you want to solve while reducing your number of hardcodes to one - which is the name of the syslog_receiver. Syslog_receiver = syslog_server_1_hostname One solution I like is to add a completely new indexed field of syslog_receiver or similar. Some of the solutions that provides links to can help. I don't think that adding the 'originating forwarder' to the source field is necessarily the best idea either. This way, you do not have to hardcode a stanza for each host. ![]() You should learn about either host_segment or host_regex options in nf to automatically grab your hostname= for you. ![]() Some places will expand $SPLUNK_HOME, but I don't think this is universal. Using the app/local/nf to set this would suck, as there are currently eight incoming syslog streams, and more to come.įor starters, I don't think Splunk can arbitrarily expand environment variables in every possible place in a. I am planning on rolling this config into a Spunk App for easy management of the multiple forwarders receiving and forwarding on this syslog data, so I need the app/default/nf to be general and then I can set server specific settings with environment variables in the nf. opt/splunkforwarder/bin/splunk envvars HOSTNAME=FORWARDER-01 export HOSTNAME PATH=/opt/splunkforwarder/bin:/usr/lib64/qt-3.3/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/splunk/bin export PATH SPLUNK_HOME=/opt/splunkforwarder export SPLUNK_HOME SPLUNK_DB=/opt/splunkforwarder/var/lib/splunk export SPLUNK_DB SPLUNK_SERVER_NAME=SplunkForwarder export SPLUNK_SERVER_NAME SPLUNK_WEB_NAME=splunkweb export SPLUNK_WEB_NAME LD_LIBRARY_PATH=/opt/splunkforwarder/lib export LD_LIBRARY_PATH OPENSSL_CONF=/opt/splunkforwarder/openssl/openssl.cnf export OPENSSL_CONF LDAPCONF=/opt/splunkforwarder/etc/openldap/nf export LDAPCONFĪnd updated the stanza to: īut on the Splunk indexer, the source is "$HOSTNAME 10.10.10.10" and not "FORWARDER-01 10.10.10.10". I have set HOSTNAME in nf and can see that Splunk sees it: The file name is /opt/inboundlogs/10.10.10.10/YYYY-MM-DD-HH_10.10.10.10_syslog.log and now our Splunk server is getting full of sourcetypes. The forwarders write the syslog to disk and then the Splunk forwarder monitors for the files. We have two forwarders receiving syslog from some appliances.
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