diff --git a/devops/cloud/google/youtube/utils/yt-dlp.txt b/devops/cloud/google/youtube/utils/yt-dlp.txt
index 08344b932..2535bd207 100644
--- a/devops/cloud/google/youtube/utils/yt-dlp.txt
+++ b/devops/cloud/google/youtube/utils/yt-dlp.txt
@@ -60,6 +60,9 @@ https://github.com/yt-dlp/yt-dlp/blob/master/supportedsites.md
     youtube:subscriptions:
         YouTube subscriptions feed; ":ytsubs" keyword (requires cookies)
 
+download all the channel
+    https://superuser.com/questions/1752396/how-to-download-all-videos-with-yt-dlp-from-a-youtube-channel-after-the-redesign
+
 2023
 https://habr.com/ru/companies/ruvds/articles/765798/
     !!!
diff --git a/devops/observability/grafana/docs/articles.txt b/devops/observability/grafana/docs/articles.txt
index 3e75e0f99..700e331b1 100644
--- a/devops/observability/grafana/docs/articles.txt
+++ b/devops/observability/grafana/docs/articles.txt
@@ -1,3 +1,5 @@
+2023
+https://habr.com/ru/companies/ozontech/articles/774712/
 2022
 https://habr.com/ru/post/682720/
 2020
diff --git a/hw/comp/keyboard/mechanics/akko.txt b/hw/comp/keyboard/mechanics/akko.txt
new file mode 100644
index 000000000..5c16ae151
--- /dev/null
+++ b/hw/comp/keyboard/mechanics/akko.txt
@@ -0,0 +1,3 @@
+https://www.21vek.by/mouses/6104sblackgoldrgb1746225_akko.html
+https://www.21vek.by/mouses/5108sworldtourtokyousbcablergbhotswapv3cream1746216_akko.html
+https://www.21vek.by/mouses/5108sblackgoldusbcablergbhotswapjellypurple1561232_akko.html
diff --git a/ortho/people/mazhuko.txt b/ortho/people/mazhuko.txt
index eba05bc00..e668154dc 100644
--- a/ortho/people/mazhuko.txt
+++ b/ortho/people/mazhuko.txt
@@ -12,6 +12,8 @@ monastyr history
 https://www.youtube.com/watch?v=4WViVURDHcw
 
 2023
+Mazhuko - How not to Loose Own Belief of 14:43
+    https://www.youtube.com/watch?v=o_DwFRdfOqc
 Mazhuko - Family Holiday 0:00 of 1:07:10
     https://www.youtube.com/watch?v=kUcAKVvS1Dc
 Mazhuko - Secret Relative of 9:52
diff --git a/os/x-ui/wayland/libs/louvre.txt b/os/x-ui/wayland/libs/louvre.txt
new file mode 100644
index 000000000..2f2e693b0
--- /dev/null
+++ b/os/x-ui/wayland/libs/louvre.txt
@@ -0,0 +1,4 @@
+https://github.com/CuarzoSoftware/Louvre
+
+2023
+https://www.opennet.ru/opennews/art.shtml?num=60149
diff --git a/pages/pacstall.txt b/pages/pacstall.txt
index 505480e60..b86f9a33e 100644
--- a/pages/pacstall.txt
+++ b/pages/pacstall.txt
@@ -57,3 +57,38 @@ post_remove() {
 }
 # vim:set ft=sh ts=2 sw=2 et:
 
+
+maintainer="wizard-28 <wiz28@pm.me>"
+
+name="nushell-bin"
+pkgname="nushell"
+pkgver="0.87.1"
+pkgdesc="A new type of shell"
+breaks=("${pkgname}" "${pkgname}-git" "${pkgname}-deb" "${pkgname}-app")
+repology=("project: nushell")
+arch=('arm64' 'amd64')
+if [[ ${CARCH} == "arm64" ]]; then
+  hash="f66f43e3c21ab9a66f9a46edae30e6537dc38d30c215a0535c9ac50905e55e46"
+  gnuarch="aarch64"
+else
+  hash="7bcffb7a9066ef7c99e299dc3c1b87d471deea91e652edad129e27f742eef72d"
+  gnuarch="x86_64"
+fi
+url="https://github.com/nushell/nushell/releases/download/${pkgver}/nu-${pkgver}-${gnuarch}-unknown-linux-gnu.tar.gz"
+
+package() {
+  # binaries
+  find ./ \
+    -maxdepth 1 \
+    -executable \
+    -type f \
+    -name "nu*" \
+    -exec sudo install -vDm755 -t "${pkgdir}/usr/bin" "{}" +
+
+  # documentation
+  sudo install -vDm644 -t "${pkgdir}/usr/share/doc/${pkgname}" README.txt
+
+  # license
+  sudo install -vDm644 -t "${pkgdir}/usr/share/licenses/${pkgname}" LICENSE
+}
+# vim:set ft=sh ts=2 sw=2 et:
diff --git a/pages/pages.txt b/pages/pages.txt
index 3fc736715..32e4f6069 100644
--- a/pages/pages.txt
+++ b/pages/pages.txt
@@ -3,6 +3,8 @@ customer-retrieval-service: update doc - has just merged
 https://gitlab.com/inspire1/digital-platform/domain-services/notification-domain/notification-service/-/merge_requests/300
     https://gitlab.com/inspire1/digital-platform/domain-services/notification-domain/notification-service/-/pipelines/1072267119
 
+? github/nushell
+
 cp: cannot stat '/var/log/pacstall/metadata/*': No such file or directory
 
 $ apt-file search `which ecryptfs-migrate-home`
diff --git a/pl/java/libfws/spring/data/jpa/docs/presentations.txt b/pl/java/libfws/spring/data/jpa/docs/presentations.txt
index 91974ec09..28ef808cd 100644
--- a/pl/java/libfws/spring/data/jpa/docs/presentations.txt
+++ b/pl/java/libfws/spring/data/jpa/docs/presentations.txt
@@ -5,6 +5,8 @@ Spilka - JPA/Hibernate Fundamentals 2023 of 7 parts
         8:00 of 1:05:21
         https://www.youtube.com/watch?v=t6n1NwMM8a8
 2022
+Bouali Ali - Spring Data JPA | Hibernate of 6p
+    https://www.youtube.com/playlist?list=PL41m5U3u3wwkS8BU0fIeRQwY3hK4VlFlX
 JPointJokerJUG - Kirekov - Spring Data JPA Testing Antipatterns ru of 54:33
     https://www.youtube.com/watch?v=Q9UiuHvNTp4
     ! @AutoConfigureTestDatabase
diff --git a/pl/java/libfws/spring/websockets/presentations.txt b/pl/java/libfws/spring/websockets/presentations.txt
new file mode 100644
index 000000000..5352bc8e3
--- /dev/null
+++ b/pl/java/libfws/spring/websockets/presentations.txt
@@ -0,0 +1,3 @@
+2023
+Bouali Ali - WebSocket Tutorial with Spring Boot | Build One On One Chat Application 0:00 of 2:08:50
+    https://www.youtube.com/watch?v=7T-HnTE6v64
diff --git a/pl/publishing/tex/latex/docs/presentations.txt b/pl/publishing/tex/latex/docs/presentations.txt
new file mode 100644
index 000000000..628d5bbf1
--- /dev/null
+++ b/pl/publishing/tex/latex/docs/presentations.txt
@@ -0,0 +1,3 @@
+2023
+Dr. Trefor Bazett - LaTeX Tutorials of p22
+    https://www.youtube.com/playlist?list=PLHXZ9OQGMqxcWWkx2DMnQmj5os2X5ZR73
diff --git a/science/statistics/precision-recall-f1.txt b/science/statistics/precision-recall-f1.txt
index 4be7c552d..5539a2c88 100644
--- a/science/statistics/precision-recall-f1.txt
+++ b/science/statistics/precision-recall-f1.txt
@@ -1,6 +1,9 @@
 precision = tp / (tp + fp)
 recall = tp / (tp + fn)
 
+2023
+https://habr.com/ru/articles/775032/
+    !!!
 2020
 https://www.kdnuggets.com/2020/10/imbalanced-data-machine-learning.html
 https://machinelearningmastery.com/fbeta-measure-for-machine-learning/