diff --git a/knowledge base/ab.md b/knowledge base/ab.md
new file mode 100644
index 0000000..02d3028
--- /dev/null
+++ b/knowledge base/ab.md	
@@ -0,0 +1,70 @@
+# Apache HTTP server benchmarking tool
+
+> TODO
+
+Intro
+
+<!-- Remove this line to uncomment if used
+## Table of contents <!-- omit in toc -->
+
+1. [TL;DR](#tldr)
+1. [Further readings](#further-readings)
+   1. [Sources](#sources)
+
+## TL;DR
+
+<details>
+  <summary>Setup</summary>
+
+```sh
+apt install 'apache2-utils'
+dnf install 'httpd-tools'
+```
+
+</details>
+
+<details>
+  <summary>Usage</summary>
+
+```sh
+# Limited number of requests
+ab -n '750' -c '1' 'http://grafana.example.org/'
+
+# Sustained load for 't' seconds
+# Default requests limit is 50000
+ab -t 300 -c 100 http://192.168.29.20/
+```
+
+</details>
+
+<!-- Uncomment if used
+<details>
+  <summary>Real world use cases</summary>
+
+```sh
+```
+
+</details>
+-->
+
+## Further readings
+
+- [Website]
+
+### Sources
+
+- [Load Testing in Linux With ApacheBench (ab)]
+
+<!--
+  Reference
+  ═╬═Time══
+  -->
+
+<!-- In-article sections -->
+<!-- Knowledge base -->
+<!-- Files -->
+<!-- Upstream -->
+[website]: https://httpd.apache.org/docs/current/programs/ab.html
+
+<!-- Others -->
+[load testing in linux with apachebench (ab)]: https://www.baeldung.com/linux/ab-apachebench-load-testing
diff --git a/snippets/ab.fish b/snippets/ab.fish
new file mode 100644
index 0000000..2a50c1d
--- /dev/null
+++ b/snippets/ab.fish
@@ -0,0 +1,10 @@
+#!/usr/bin/env fish
+
+# Install
+apt install 'apache2-utils'
+dnf install 'httpd-tools'
+
+ab -n '750' -c '1' 'http://grafana.example.org/'
+ab -t 100 -c 250 -C 'GITLAB_TOKEN=0123…' 'https://gitlab.example.org/'
+
+parallel ab -t 40 -c 100 -C 'GITLAB_TOKEN=1234…' {} ::: https://gitlab.{production,staging}.example.org/
diff --git a/snippets/curl.sh b/snippets/curl.sh
index dc95e54..bf305e4 100644
--- a/snippets/curl.sh
+++ b/snippets/curl.sh
@@ -26,3 +26,6 @@ curl --url 'https://gitlab.com/api/v4/runners/all' \
 curl -fsX 'PUT' 'https://gitlab.com/api/v4/runners/{}' -H 'PRIVATE-TOKEN: glpat-m-…' -F 'paused=true'
 curl --fail --silent --request 'PUT' 'https://gitlab.com/api/v4/runners/{}' \
 	--header 'PRIVATE-TOKEN: glpat-m-…' --form 'paused=true'
+
+
+curl -v --cookie "USER_TOKEN=Yes" http://127.0.0.1:5000/