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Enterprise log consumption and analysis.


Get a list of indexes

| REST /services/data/indexes | dedup title | table title

Get a list of sourcetypes

| metadata type=sourcetypes index=* OR index=_*

CFEngine runs per hour by version

source="/var/log/messages" OR source="udp:514" "Starting CFEngine" earliest="-1w" | rex "Starting CFEngine (?<version>3.[0-9]+.[0-9]+).*" | timechart span=4h usenull=0 dc(host) by version

Strip domain from hostname for consistent UQDNs

rex mode=sed field=host "s/\.foo\.example\.com//"

Count of records per hour by host

earliest="-7d" | timechart span=1h count(_raw) by host

Count of records per source by 5m with no limit on list

earliest="-8h" | timechart span=5m count(_raw) by source limit=0

Count of records per source with a given list

earliest="-1d" source="/var/log/messages" OR source="udp:10514" OR source="udp:514" | timechart count by source

Count of records per splunk server for a given time period

Stupidly, splunk doesn't support ISO date format by default (in the version I'm using).

earliest="06/19/2015:3:0:0" latest="06/19/2015:3:3:0" | timechart count(_raw) by splunk_server

Order number of hits for a given string by an extracted IP address

earliest="7/6/2015:9:30:0" "verifying pingback from" | rex "verifying pingback from (?<pingback_source_ip>[0-9\.]*)\"" | stats count(_raw) as pingback_source_ip_total by pingback_source_ip | sort pingback_source_ip_total desc

Order an RPM report

Given a report where RPM fields are exported as field="value", such as:

rpm -qa --queryformat 'report="rpm", name="%{NAME}", release="%{RELEASE}", version="%{VERSION}", packager="%{PACKAGER}", url="%{URL}", installtime="%{INSTALLTIME}"\n'

This search in splunk will show a useful table:

earliest="-1d" report="rpm" | dedup name | eval install_timestamp = strftime(installtime, "%F %T.%3N") | sort installtime desc | table host,name,version,release,install_timestamp

See also:

Count of kernel versions

Assuming you have a report that sends kernel_version=$(uname -r):

kernel_version | stats count(kernel_version) by kernel_version, host