diff --git a/notes/.obsidian/plugins/obsidian-activity-history/data.json b/notes/.obsidian/plugins/obsidian-activity-history/data.json
index ec8e44a..52d7dc8 100644
--- a/notes/.obsidian/plugins/obsidian-activity-history/data.json
+++ b/notes/.obsidian/plugins/obsidian-activity-history/data.json
@@ -13,7 +13,7 @@
     {
       "path": "/",
       "date": "2022-09-08",
-      "size": 892689
+      "size": 892974
     }
   ],
   "activityHistory": [
@@ -778,7 +778,7 @@
         },
         {
           "date": "2022-09-08",
-          "value": 985
+          "value": 1270
         }
       ]
     }
diff --git a/notes/data/TCP-IP.jpg b/notes/data/TCP-IP.jpg
new file mode 100644
index 0000000..be29346
Binary files /dev/null and b/notes/data/TCP-IP.jpg differ
diff --git a/notes/notes.md b/notes/notes.md
index 11b659f..38c60f7 100644
--- a/notes/notes.md
+++ b/notes/notes.md
@@ -17,6 +17,7 @@ noteOnly: true
 -  [[kbb/kbb|kbb]]
 -  [[mat/mat|mat]]
 -  [[Misc/Misc|Misc]]
+-  [[OSE/OSE|OSE]]
 -  [[Osobnosti|Osobnosti]]
 -  [[pdv/pdv|pdv]]
 -  [[preamble.sty|preamble.sty]]
diff --git a/notes/psi/psi.md b/notes/psi/psi.md
index 3826a88..ba4465f 100644
--- a/notes/psi/psi.md
+++ b/notes/psi/psi.md
@@ -2,6 +2,9 @@
 tags: [MOC, psi, generated, index]
 ---
 # psi
+
+![](TCP-IP.jpg)
+
 ```ccard
 type: folder_brief_live
 imagePrefix: 'data/'
diff --git a/notes/učitelé/Dušan Ďurďovič.md b/notes/učitelé/Dušan Ďurďovič.md
new file mode 100644
index 0000000..6e77354
--- /dev/null
+++ b/notes/učitelé/Dušan Ďurďovič.md	
@@ -0,0 +1,9 @@
+---
+name: Dušan Ďurďovič
+shortName: Du
+class: ONA
+tags:
+ - ona
+ - učitelé
+---
+# Dušan Ďurďovič
diff --git a/notes/učitelé/učitelé.md b/notes/učitelé/učitelé.md
index 9a7b1fe..612a893 100644
--- a/notes/učitelé/učitelé.md
+++ b/notes/učitelé/učitelé.md
@@ -13,6 +13,7 @@ imagePrefix: 'data/'
 -  [[učitelé/Andrea Vlasáková|Andrea Vlasáková]]
 -  [[učitelé/Anna Otrubová|Anna Otrubová]]
 -  [[učitelé/Aramis Tochjan|Aramis Tochjan]]
+-  [[učitelé/Dušan Ďurďovič|Dušan Ďurďovič]]
 -  [[učitelé/Ivona Vítová|Ivona Vítová]]
 -  [[učitelé/Ladislav Trnka|Ladislav Trnka]]
 -  [[učitelé/Šárka Pražáková|Šárka Pražáková]]