Fixes links.

Author: szabosteve

deploy-manage/users-roles/cluster-or-deployment-auth/built-in-users.md

@@ -159,7 +159,7 @@ xpack.monitoring.elasticsearch.username: beats_system
 xpack.monitoring.elasticsearch.password: beatspassword
 ```
 
-For example, see [Monitoring {{metricbeat}}](beats://reference/ingestion-tools/beats-metricbeat/monitoring.md).
+For example, see [Monitoring {{metricbeat}}](beats://reference/metricbeat/monitoring.md).
 
 The `remote_monitoring_user` is used when {{metricbeat}} collects and stores monitoring data for the {{stack}}. See [*Monitoring in a production environment*](/deploy-manage/monitor/stack-monitoring/elasticsearch-monitoring-self-managed.md).
 

manage-data/ingest/ingesting-data-from-applications/ingest-logs-from-nodejs-web-application-using-filebeat.md

@@ -443,7 +443,7 @@ In this command:
 * The *-c* flag specifies the path to the Filebeat config file.
 
 ::::{note}
-Just in case the command doesn’t work as expected, check the [Filebeat quick start](beats://reference/filebeat/filebeat-installation-configuration.md#start) for the detailed command syntax for your operating system. You can also try running the command as *root*: *sudo ./filebeat -e -c filebeat.yml*.
+Just in case the command doesn’t work as expected, check the [Filebeat quick start](beats://reference/filebeat/filebeat-installation-configuration.md#installation) for the detailed command syntax for your operating system. You can also try running the command as *root*: *sudo ./filebeat -e -c filebeat.yml*.
 ::::
 
 

manage-data/ingest/ingesting-data-from-applications/ingest-logs-from-python-application-using-filebeat.md

@@ -343,7 +343,7 @@ In this command:
 * The *-c* flag specifies the path to the Filebeat config file.
 
 ::::{note}
-Just in case the command doesn’t work as expected, check the [Filebeat quick start](beats://reference/filebeat/filebeat-installation-configuration.md#start) for the detailed command syntax for your operating system. You can also try running the command as *root*: *sudo ./filebeat -e -c filebeat.yml*.
+Just in case the command doesn’t work as expected, check the [Filebeat quick start](beats://reference/filebeat/filebeat-installation-configuration.md#installation) for the detailed command syntax for your operating system. You can also try running the command as *root*: *sudo ./filebeat -e -c filebeat.yml*.
 ::::