diff --git a/_media/2018-11-09-ansible-open-source-it-automation.md b/_media/2018-11-09-ansible-open-source-it-automation.md
index 2bb91e068c85ec98993be0314f0a6f44857d5750..67c2b7d7a2e665a27a0904d36cd56ffc3bbe637a 100644
--- a/_media/2018-11-09-ansible-open-source-it-automation.md
+++ b/_media/2018-11-09-ansible-open-source-it-automation.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/ansible-open-source-it-auto
 uid: d0fc4f9c-8042-41ba-86e2-8fdb82fe7aaf
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-1-ansible_open_source_it_automation"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/ansible-open-source-it-automation.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-combining-permaculture-and-hackerculture.md b/_media/2018-11-09-combining-permaculture-and-hackerculture.md
index 7b590c073f57f8c9c292ea4afec6a060b3ba3e0d..d663d832f3199c6e0f9ac99e66bfe3d15b01308a 100644
--- a/_media/2018-11-09-combining-permaculture-and-hackerculture.md
+++ b/_media/2018-11-09-combining-permaculture-and-hackerculture.md
@@ -14,7 +14,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/combining-permaculture-and-
 uid: 899f9112-62fa-455b-9cb7-710a45953122
 yt: ""
 mccc: "https://2018.nook-luebeck.de/2018/talk/combining-permaculture-and-hackerculture"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/combining-permaculture-and-hackerculture.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-continuous-deployment-mit-gitlab-ci.md b/_media/2018-11-09-continuous-deployment-mit-gitlab-ci.md
index 770e7147d4b99fbfedcce66bf7f0aa8a4933db42..19c14c9cd852fee1c8b420121f4f35e87f4892f3 100644
--- a/_media/2018-11-09-continuous-deployment-mit-gitlab-ci.md
+++ b/_media/2018-11-09-continuous-deployment-mit-gitlab-ci.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/continuous-deployment-mit-g
 uid: 8178444a-5ee6-4398-8c00-2385eeb3bda0
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-3-continuous_deployment_mit_gitlab_ci"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/continuous-deployment-mit-gitlab-ci.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-das-barcamp-luebeck.md b/_media/2018-11-09-das-barcamp-luebeck.md
index 3a81cd8650e4583a565aef6f473d1125f5003957..18a8081ea84e0063d2f66ab44ff5c5ad99c82457 100644
--- a/_media/2018-11-09-das-barcamp-luebeck.md
+++ b/_media/2018-11-09-das-barcamp-luebeck.md
@@ -14,7 +14,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/lightning-talks-2
 uid: 79e9a8ec-9a8a-4cf4-8140-35aaa035e0f8
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-11-lightning_talk_das_barcamp_luebeck"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/lightning-talks-2-barcamp.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-die-nichteuklidische-geometrie.md b/_media/2018-11-09-die-nichteuklidische-geometrie.md
index 76c0f101d2a02257fd1ed3ea8427db9b91b55361..af5af978bf82bd9060eaf616ddc5020778883ff3 100644
--- a/_media/2018-11-09-die-nichteuklidische-geometrie.md
+++ b/_media/2018-11-09-die-nichteuklidische-geometrie.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/die-nichteuklidische-geomet
 uid: af1e5178-5395-4ab9-83c6-c57ca014a590
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-4-die_nichteuklidische_geometrie"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/die-nichteuklidische-geometrie.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-einfuehrung-in-die-statistik-software-r.md b/_media/2018-11-09-einfuehrung-in-die-statistik-software-r.md
index 494984d9b096f51890bffbd8104c06dd06de36e4..d9512e9e31dc75a752ba8642641a8975485ac3f1 100644
--- a/_media/2018-11-09-einfuehrung-in-die-statistik-software-r.md
+++ b/_media/2018-11-09-einfuehrung-in-die-statistik-software-r.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/einfuehrung-in-die-statisti
 uid: 7c586fb3-fd82-4ec6-8ba3-fa5b40cd0a57
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-5-einfuehrung_in_die_statistik_software_r"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/einfuehrung-in-die-statistik-software-r.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-grundlagen-des-3d-scan.md b/_media/2018-11-09-grundlagen-des-3d-scan.md
index 5d0ac06638a0e07f4b1bdd012e865152ae0cffe6..6b510efdcf9ff84a9105bead36b305397edd8547 100644
--- a/_media/2018-11-09-grundlagen-des-3d-scan.md
+++ b/_media/2018-11-09-grundlagen-des-3d-scan.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/grundlagen-des-3d-scan
 uid: bfb40dd8-f448-41ca-b665-9c15d97a1127
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-6-grundlagen_des_3d_scan"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/grundlagen-des-3d-scan.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-grundlagen-guter-grafiken.md b/_media/2018-11-09-grundlagen-guter-grafiken.md
index 9c590133698f8b9f44af6a52181e5c726dc8b4b2..650a87877667daeed12ccd30f139877ff5475782 100644
--- a/_media/2018-11-09-grundlagen-guter-grafiken.md
+++ b/_media/2018-11-09-grundlagen-guter-grafiken.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/grundlagen-guter-grafiken
 uid: 0139c25f-d260-4a06-8573-0ec0df6232c1
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-7-grundlagen_guter_grafiken"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/grundlagen-guter-grafiken.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-integration-in-600-sekunden.md b/_media/2018-11-09-integration-in-600-sekunden.md
index 9c5ebf58b0032fa553c51db49c81691ee38423bd..5ee37cc0bd4793bf44033ea55a458a4d9d321796 100644
--- a/_media/2018-11-09-integration-in-600-sekunden.md
+++ b/_media/2018-11-09-integration-in-600-sekunden.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/lightning-talks-1
 uid: b26c59ac-7518-4755-98a2-3087680b644e
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-9-lightning_talk_integration_in_600_sekunden"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/lightning-talks-1-integration.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-intro-zu-graphql.md b/_media/2018-11-09-intro-zu-graphql.md
index 8e967a1682abac2ee72a4cb14699ca3b48b49f85..0e77efe0cbce0152db48d049fb983d90113ee72c 100644
--- a/_media/2018-11-09-intro-zu-graphql.md
+++ b/_media/2018-11-09-intro-zu-graphql.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/intro-zu-graphql
 uid: 5b5d6321-ac4f-4cde-8083-68810077150d
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-8-intro_zu_graphql"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/intro-zu-graphql.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-neural-robot-learning.md b/_media/2018-11-09-neural-robot-learning.md
index f2768b6e8475032c7738e7931707266578045854..b5fb38f4836fc7955944f8a8346352488c6ad97c 100644
--- a/_media/2018-11-09-neural-robot-learning.md
+++ b/_media/2018-11-09-neural-robot-learning.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/neural-robot-learning
 uid: 025617d6-5e3c-4b6e-a183-5466ce33a39c
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-14-neural_robot_learning"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/neural-robot-learning.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-oer-wie-sieht-das-in-echt-aus.md b/_media/2018-11-09-oer-wie-sieht-das-in-echt-aus.md
index 7ce213710926ada5652ea876857109c86c76b1c2..289829776b49811d4bbda4acfae07bd8f2e95aea 100644
--- a/_media/2018-11-09-oer-wie-sieht-das-in-echt-aus.md
+++ b/_media/2018-11-09-oer-wie-sieht-das-in-echt-aus.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/lightning-talks-2
 uid: 798f6127-6b40-4dc8-9db0-7104ab687a58
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-12-lightning_talk_integration_in_600_sekunden"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/lightning-talks-2-oer.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-openstreetmap-daten-nutzen.md b/_media/2018-11-09-openstreetmap-daten-nutzen.md
index 5935be0d89acb96e4418e51c6d7b7e76764e3d51..df822d78342da27a17383cf17d49a37899c98e32 100644
--- a/_media/2018-11-09-openstreetmap-daten-nutzen.md
+++ b/_media/2018-11-09-openstreetmap-daten-nutzen.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/openstreetmap---daten-nutze
 uid: 178e4a83-1f91-4171-b0cf-bec1700b49c3
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-15-openstreetmap_daten_nutzen"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/openstreetmap---daten-nutzen.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-serverless-computing.md b/_media/2018-11-09-serverless-computing.md
index adca1383a6ed78496ba6d84b49ed0fc72430e80d..d8bde7c1807f05c0628279a06470c15c8da04f4b 100644
--- a/_media/2018-11-09-serverless-computing.md
+++ b/_media/2018-11-09-serverless-computing.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/lightning-talks-2
 uid: e13984b4-a120-4371-803f-f73ff431ca41
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-13-lightning_talk_serverless_computing"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/lightning-talks-2-serverless.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-superior-security-heroes.md b/_media/2018-11-09-superior-security-heroes.md
index e3b4b09c379ab0f97f7c54faea67f16e60403d5a..38e0bae48c48960d45d9845e482b140c04543567 100644
--- a/_media/2018-11-09-superior-security-heroes.md
+++ b/_media/2018-11-09-superior-security-heroes.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/lightning-talks-1
 uid: f0aa58a8-51c6-4886-8339-6fa6625dffd5
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-10-lightning_talk_superior_security_heroes"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/lightning-talks-1-ssh.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018
diff --git a/_media/2018-11-09-tree-decomposition.md b/_media/2018-11-09-tree-decomposition.md
index 9ead0646cac75af74290c5cc967552eb291b7047..1fe3453c82f74d445c90298ec7d0f7e50919d21d 100644
--- a/_media/2018-11-09-tree-decomposition.md
+++ b/_media/2018-11-09-tree-decomposition.md
@@ -11,7 +11,7 @@ persons:
 fahrplan_url: https://2018.nook-luebeck.de/2018/talk/tree-decomposition
 #https://www.uuidgenerator.net/
 uid: 143619c5-dc84-4062-9e33-ad12838cbc82
-yt: ""
+yt: "https://video.chaotikum.net/metanook2018/tree-decomposition.mov"
 mccc: "https://media.ccc.de/v/metanook18-16-tree_decomposition"
 file: ""
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
diff --git a/_media/2018-11-09-was-steckt-hinter-identitaetsdiebstahl.md b/_media/2018-11-09-was-steckt-hinter-identitaetsdiebstahl.md
index 58b819ab90cfbbf512809e3bc2753f27ee1b1069..43730fe2d4160fae23c8e8d1a5de1618659a3bd4 100644
--- a/_media/2018-11-09-was-steckt-hinter-identitaetsdiebstahl.md
+++ b/_media/2018-11-09-was-steckt-hinter-identitaetsdiebstahl.md
@@ -13,7 +13,7 @@ fahrplan_url: https://2018.nook-luebeck.de/2018/talk/was-steckt-hinter-identitae
 uid: 303639a7-2dec-48fc-a888-cda052f86e6a
 yt: ""
 mccc: "https://media.ccc.de/v/metanook18-17-was_steckt_hinter_identitaetsdiebstahl"
-file: ""
+file: "https://video.chaotikum.net/metanook2018/was-steckt-hinter-identitaetsdiebstahl.mov"
 event: 5764b1fa-3f34-41d9-bfff-c84ab552c97d
 conferences:
 - nook2018