Добавлено описание оверлея. Скачайте его в /etc/layman/overlays и выполните `layman -a distros`.

distros.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<repositories xmlns="" version="1.0">
+  <repo priority="50" quality="experimental" status="unofficial">
+    <name>distros</name>
+    <description>Calculate Linux Profiles</description>
+    <homepage>http://www.calculate-linux.org</homepage>
+    <owner>
+      <email>support@calculate.ru</email>
+    </owner>
+    <source type="git">git://git.calculate.ru/calculate/distros.git</source>
+  </repo>
+</repositories>