diff --git a/config.toml b/config.toml
index 4f469c2..038e031 100644
--- a/config.toml
+++ b/config.toml
@@ -11,12 +11,20 @@ publishdir = "/var/www/localhost/htdocs"
     url = "/post/"
     title = ""
     weight = 1
+  [[menu.main]]
+    identifier = "categories"
+    pre = ""
+    post = ""
+    name = "Categories"
+    url = "/categories/"
+    title = ""
+    weight = 2
   [[menu.main]]
     identifier = "tags"
     name = "Tags"
     url = "/tags/"
     title = ""
-    weight = 2
+    weight = 3
 
 [params]
   version = "0.2.X"
diff --git a/content/post/mrtg/mrtg.md b/content/post/mrtg/mrtg.md
index a85e20b..de9c724 100644
--- a/content/post/mrtg/mrtg.md
+++ b/content/post/mrtg/mrtg.md
@@ -5,6 +5,8 @@ draft: false
 tags:
  - monitoring
  - mrtg
+categories:
+ - monitoring
 ---
 
  > I'm totaly aware there are more modern monitoring solutions (prometheus, icinga2, prtg and other