diff --git a/nontech/politics/clubs/streetoftruth/devyatov.txt b/nontech/politics/clubs/streetoftruth/devyatov.txt
index 64857f11f..6f553eb18 100644
--- a/nontech/politics/clubs/streetoftruth/devyatov.txt
+++ b/nontech/politics/clubs/streetoftruth/devyatov.txt
@@ -18,6 +18,8 @@ https://vk.com/muzejkonstruirovaniyabudushchego
 https://vk.com/video/@muzejkonstruirovaniyabudushchego
 
 2023
+TruthInstitute - Devyatov - Paradoxal Thinking of People Talking RU of 27:21
+    https://www.youtube.com/watch?v=R3aobs0qbXo
 TruthInstitute - Devyatov - 03.22 - Real Menu of Si of 17:12
     https://www.youtube.com/watch?v=SDsCUCLBYTY
 MaximShevchenko - Devyatov - 03.18 - Serve to Sky of 39:49
diff --git a/os/linux/nixos/flakes/docs/presentations.txt b/os/linux/nixos/flakes/docs/presentations.txt
index 3f85a9a5f..4a365fe6c 100644
--- a/os/linux/nixos/flakes/docs/presentations.txt
+++ b/os/linux/nixos/flakes/docs/presentations.txt
@@ -1,4 +1,13 @@
 2023
+Vimjoyer -  Manage Nix Flake Inputs Like a Pro of 4:38
+    https://www.youtube.com/watch?v=4ZoBGlkMPWI
+    ! flake templates
+    !   https://github.com/vimjoyer/simple-template
+    ! nix flake metadata
+    ! nix flake lock --update-input <flake-name>
+    !   https://github.com/vimjoyer/nix-update-input
+    ! nix flake show <flake>
+    ! nix flake lock update --commit-lock-file
 LiYang - NixOS Introduction - Nix Flakes 0:00 of 8:21
     https://www.youtube.com/watch?v=DXz3FJszfo0
     https://tech.aufomm.com/my-nixos-journey-flakes/