diff --git a/_sidebar.md b/_sidebar.md
index b7a8b5c..4db2946 100644
--- a/_sidebar.md
+++ b/_sidebar.md
@@ -20,6 +20,7 @@
     - [Linux](categories/devops/linux.md)
     - [Google Cloud Platform](categories/devops/gcp.md)
     - [AWS](categories/devops/aws.md)
+    - [More tools](categories/devops/more-tools.md)
 - [Web](categories/web.md)
 - [IoT](categories/iot.md)
 - [Fintech](categories/fintech.md)
diff --git a/categories/devops/linux.md b/categories/devops/linux.md
index 9cd570f..dc18b08 100644
--- a/categories/devops/linux.md
+++ b/categories/devops/linux.md
@@ -279,6 +279,7 @@ grep -ir rsync /var/log
 ## Popular Distributions
 
 ### Debian
+
 ### Ubuntu
 
 ### Manjaro
diff --git a/categories/devops/more-tools.md b/categories/devops/more-tools.md
new file mode 100644
index 0000000..526212c
--- /dev/null
+++ b/categories/devops/more-tools.md
@@ -0,0 +1,9 @@
+# More tools
+
+## HTTP performace tests
+
+Some command line toos which can provide categorized information for http requests.
+
+* [curl_time](https://stackoverflow.com/questions/18215389/how-do-i-measure-request-and-response-times-at-once-using-curl?rq=1)
+* [hey](https://github.com/rakyll/hey)
+* [ab](https://httpd.apache.org/docs/2.4/programs/ab.html)
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