diff --git a/Makefile b/Makefile
index b211954..b57767f 100644
--- a/Makefile
+++ b/Makefile
@@ -63,5 +63,5 @@ update:
 	git submodule foreach git pull
 
 copy:
-	rsync -av --delete _build/html/ /data/htdocs/pylib_docs/
-	chown www-data.www-data -R /data/htdocs/pylib_docs/
+	rsync -av --delete _build/html/ /data/docker/apache/pylib_docs
+	chown www-data.www-data -R /data/docker/apache/pylib_docs
diff --git a/caching b/caching
index ed10820..9a1fa9e 160000
--- a/caching
+++ b/caching
@@ -1 +1 @@
-Subproject commit ed1082041f8b7940e5ed6238eead2b97a5b3e862
+Subproject commit 9a1fa9e0ab586f228b5614747a1953f36fb03793
diff --git a/fstools b/fstools
index c10e879..9237f6f 160000
--- a/fstools
+++ b/fstools
@@ -1 +1 @@
-Subproject commit c10e8792abb05671dab6de51cdadda3bf8ead50f
+Subproject commit 9237f6f7f77eed79b8163077c1b4d87189193fbe
diff --git a/tcp_socket b/tcp_socket
index ffe6b2b..72741ff 160000
--- a/tcp_socket
+++ b/tcp_socket
@@ -1 +1 @@
-Subproject commit ffe6b2bf3ba5829361349ff318cb721cb6f42266
+Subproject commit 72741ff81280a19c728cbc151f8b3b083220130e