diff --git a/knowledge base/node exporter.md b/knowledge base/node exporter.md
new file mode 100644
index 0000000..1b0d6ca
--- /dev/null
+++ b/knowledge base/node exporter.md	
@@ -0,0 +1,31 @@
+# Node exporter
+
+## Table of contents <!-- omit in toc -->
+
+1. [Further readings](#further-readings)
+1. [Sources](#sources)
+
+## Further readings
+
+- [Github]
+- [Prometheus]
+
+## Sources
+
+All the references in the [further readings] section, plus the following:
+
+- [Node exporter guide]
+
+<!--
+  References
+  -->
+
+<!-- Upstream -->
+[github]: https://github.com/prometheus/node_exporter
+[node exporter guide]: https://prometheus.io/docs/guides/node-exporter/
+
+<!-- In-article sections -->
+[further readings]: #further-readings
+
+<!-- Knowledge base -->
+[prometheus]: prometheus.md
diff --git a/knowledge base/prometheus.md b/knowledge base/prometheus.md
index 9f57bd6..ebbf8dd 100644
--- a/knowledge base/prometheus.md	
+++ b/knowledge base/prometheus.md	
@@ -5,12 +5,24 @@ Monitoring system that collects metrics from configured targets at given interva
 ## Table of contents <!-- omit in toc -->
 
 1. [Further readings](#further-readings)
+1. [Sources](#sources)
 
 ## Further readings
 
 - [Website]
 - [Github]
 - [`docker/monitoring`][docker/monitoring]
+- [Node exporter]
+- [SMNP exporter]
+
+## Sources
+
+All the references in the [further readings] section, plus the following:
+
+- [Node exporter guide]
+- [SNMP monitoring and easing it with Prometheus]
+- [`prometheus/node_exporter`][prometheus/node_exporter]
+- [`prometheus/snmp_exporter`][prometheus/snmp_exporter]
 
 <!--
   References
@@ -18,10 +30,21 @@ Monitoring system that collects metrics from configured targets at given interva
 
 <!-- Upstream -->
 [github]: https://github.com/prometheus/prometheus
+[node exporter guide]: https://prometheus.io/docs/guides/node-exporter/
+[prometheus/node_exporter]: https://github.com/prometheus/node_exporter
+[prometheus/snmp_exporter]: https://github.com/prometheus/snmp_exporter
 [website]: https://prometheus.io/
 
+<!-- In-article sections -->
+[further readings]: #further-readings
+
 <!-- Knowledge base -->
 [grafana]: grafana.md
+[node exporter]: node%20exporter.md
+[smnp exporter]: smnp%20exporter.md
 
 <!-- Files -->
 [docker/monitoring]: ../docker/monitoring/README.md
+
+<!-- Others -->
+[snmp monitoring and easing it with prometheus]: https://medium.com/@openmohan/snmp-monitoring-and-easing-it-with-prometheus-b157c0a42c0c
diff --git a/knowledge base/snmp exporter.md b/knowledge base/snmp exporter.md
new file mode 100644
index 0000000..c13f0a4
--- /dev/null
+++ b/knowledge base/snmp exporter.md	
@@ -0,0 +1,33 @@
+# SNMP exporter
+
+## Table of contents <!-- omit in toc -->
+
+1. [Further readings](#further-readings)
+1. [Sources](#sources)
+
+## Further readings
+
+- [Github]
+- [Prometheus]
+
+## Sources
+
+All the references in the [further readings] section, plus the following:
+
+- [SNMP monitoring and easing it with Prometheus]
+
+<!--
+  References
+  -->
+
+<!-- Upstream -->
+[github]: https://github.com/prometheus/snmp_exporter
+
+<!-- In-article sections -->
+[further readings]: #further-readings
+
+<!-- Knowledge base -->
+[prometheus]: prometheus.md
+
+<!-- Others -->
+[snmp monitoring and easing it with prometheus]: https://medium.com/@openmohan/snmp-monitoring-and-easing-it-with-prometheus-b157c0a42c0c