diff --git a/devops/virt/kvm/docs/books.txt b/devops/virt/kvm/docs/books.txt
new file mode 100644
index 000000000..779842897
--- /dev/null
+++ b/devops/virt/kvm/docs/books.txt
@@ -0,0 +1,4 @@
+2024
+CloudMatrix - Mastering KVM: Virtualization for Modern IT Infrastructures
+    https://elearning.cloudspinx.com/product-detail/mastering-kvm-virtualization-the-ultimate-ebook
+    784cc6af52be10972172a432c8bf5e93
diff --git a/devops/virt/kvm/docs/cheatsheet.txt b/devops/virt/kvm/docs/cheatsheet.txt
new file mode 100644
index 000000000..c598285c3
--- /dev/null
+++ b/devops/virt/kvm/docs/cheatsheet.txt
@@ -0,0 +1,2 @@
+2025
+https://computingforgeeks.com/virsh-commands-cheatsheet/
diff --git a/os/linux/rh/fedora/spins/ostree/bazite.txt b/os/linux/rh/fedora/spins/ostree/bazite.txt
new file mode 100644
index 000000000..d246ee66d
--- /dev/null
+++ b/os/linux/rh/fedora/spins/ostree/bazite.txt
@@ -0,0 +1,3 @@
+2024
+ChrisTitusTech - Atomic Desktops of 16:13
+    https://www.youtube.com/watch?v=1vSFR8bi0YQ
diff --git a/pl/java/docs/people/polivaha.txt b/pl/java/docs/people/polivaha.txt
index 16fb1ea4f..6c514cfd4 100644
--- a/pl/java/docs/people/polivaha.txt
+++ b/pl/java/docs/people/polivaha.txt
@@ -1,3 +1,4 @@
 2025
 SpringIO - Shustanov - Polivaha - Podcast 29 of 54:37
     https://www.youtube.com/watch?v=DTfCpIbbpPg
+    ! 8:00 Law of Joel Spolsky - we can't fully abstract complex things (abstractions will later leak)