diff --git a/nontech/history/countries/ancient/greece/pythagor.txt b/nontech/history/countries/ancient/greece/pythagor.txt
new file mode 100644
index 000000000..991ae1bea
--- /dev/null
+++ b/nontech/history/countries/ancient/greece/pythagor.txt
@@ -0,0 +1,3 @@
+2024
+BlackHistory - Pythagor of 50:22
+    https://www.youtube.com/watch?v=ifhh3S7yh-0
diff --git a/os/linux/nixos/inst/presentations.txt b/os/linux/nixos/inst/presentations.txt
index cc909cf7e..006cdafd3 100644
--- a/os/linux/nixos/inst/presentations.txt
+++ b/os/linux/nixos/inst/presentations.txt
@@ -1,3 +1,6 @@
+2025
+Vimjoyer - NixOS Installation of 3:40
+    https://www.youtube.com/watch?v=AI8EBp0dqVs
 2023
 MyLinuxForWork - Install NixOS. Base INSTALLATION GUIDE plus CHEAT SHEET download. With Qtile and QEMU/KVM support of 16:21
     https://www.youtube.com/watch?v=fDxhkSnFSPw