diff --git a/nontech/intelligence/people/artamonov.txt b/nontech/intelligence/people/artamonov.txt
index fcddd1c76..e81381535 100644
--- a/nontech/intelligence/people/artamonov.txt
+++ b/nontech/intelligence/people/artamonov.txt
@@ -51,7 +51,7 @@ Geopolitics
     https://boosty.to/den_club/posts/f198877e-c804-4ca3-8948-808f6aec3a46
 
 2024
-DayCenter - SecretSocietiesAndVatican - Lection 12 - Maltian Order 20:00 of 1:40:35
+DayCenter - SecretSocietiesAndVatican - Lection 12 - Maltian Order 25:00 of 1:40:35
     https://boosty.to/den_club/posts/e34d59f6-1b07-4048-a120-9988c5254ab4
     ! Maltian Order appeared even before 2-nd Temple building (union of kuptsov, later - tampliers, then - gospitaliers)
     ! Malta - is a smallest state of the world (few stairs of La-Valetta Temple)
diff --git a/os/linux/docs/conferences.txt b/os/linux/docs/conferences.txt
index 0245f1d0b..b1cc99496 100644
--- a/os/linux/docs/conferences.txt
+++ b/os/linux/docs/conferences.txt
@@ -1 +1,4 @@
-https://www.youtube.com/@LinuxfoundationOrg/videos
+https://www.youtube.com/@LinuxfoundationOrg
+
+2023
+https://www.youtube.com/playlist?list=PLbzoR-pLrL6o8n8NBZdFHaljWqe1LEQv0
diff --git a/os/linux/packaging/ostree/apertis.txt b/os/linux/packaging/ostree/apertis.txt
new file mode 100644
index 000000000..33ea0efff
--- /dev/null
+++ b/os/linux/packaging/ostree/apertis.txt
@@ -0,0 +1,7 @@
+https://images.apertis.org/
+https://images.apertis.org/release/
+
+https://www.apertis.org
+https://www.apertis.org/download/
+https://www.apertis.org/architecture/
+https://www.apertis.org/concepts/
diff --git a/os/linux/packaging/ostree/docs/presentations.txt b/os/linux/packaging/ostree/docs/presentations.txt
index c4260612b..c75da56e2 100644
--- a/os/linux/packaging/ostree/docs/presentations.txt
+++ b/os/linux/packaging/ostree/docs/presentations.txt
@@ -38,7 +38,7 @@ TheLinuxFoundation - Ostree for the Uninitiated - What You Need to Get Up and Ru
 Pingvinus - Fedora 35 of 6:52
     https://www.youtube.com/watch?v=mNziXTfZcGk
 2020
-Pynkin - OSTree CLI for OS management 5:00 of 25:00
+Pynkin - OSTree CLI for OS management 16:00 of 25:00
     https://www.youtube.com/watch?v=B0xvrXkEwr4
     https://www.collabora.com/assets/pdfs/OSTree_CLI_for_OS_management.pdf
     ! libostre/ostree cli tool
@@ -52,6 +52,25 @@ Pynkin - OSTree CLI for OS management 5:00 of 25:00
     ! /boot
     ! /etc
     ! /var
+    ! ostree remote list
+    ! ostree config --group 'remote "origin"' get url
+    ! https://images.apertis.ort/ostree/repo
+    ! ostree admin upgrade
+    ! ostree admin status
+    !   apertis <hash1> (pending)
+    !   apertis <hash2>
+    ! # after reboot
+    !   apertis <hash1> 
+    !   apertis <hash2> (rollback)
+    ! ostree refs
+    !   ostree/0/1/0
+    !   ostree/0/1/1
+    ! ostree rev-parse origin:apertis/v2020pre/armhf-uboot/minimal
+    !   <some-hash>
+    ! find /ostree/repo/ -name "*commit*"
+    !   /ostree/repo/objects/3a/<hash1>.commit
+    !   /ostree/repo/objects/3a/<hash1>.commitmeta
+    !   ...
 2018
 Pynkin - OSTree Atomic Updates in Git Style ru of 23:57
     https://www.youtube.com/watch?v=N0expbwB0OM