diff --git a/source/resources/apps/postgres-xl/README.md b/source/resources/apps/postgres-xl/README.md
new file mode 100644
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+https://www.postgres-xl.org
+
+Set up 9 servers
+================
+Data nodes:
+pgxl1
+pgxl2
+pgxl3
+pgxl4
+pgxl5
+
+GTM:
+pgxl-gtm-1
+pgxl-gtm-2
+
+Coordinators:
+pgxl-coord-1
+pgxl-coord-2
+pgxl-coord-3
+
+
+# Set up SSH between hosts
+
+ssh-keygen -t ed25519
+set up root ssh between all nodes
+
+# /etc/hosts
+set up /etc/hosts with all cluster name/IPs.
+
+Set up /etc/hosts with all cluster name/IPs for Postgres interface, with pg- prefix
+
+
+
+Binary:
+wget https://www.postgres-xl.org/downloads/postgres-xl-10r1.tar.gz
+
+Git (better):
+git clone https://git.postgresql.org/git/postgres-xl.git
+
+
diff --git a/source/resources/spreadsheets/sharkfork.ods b/source/resources/spreadsheets/sharkfork.ods
index 90746b9..caeb43d 100644
Binary files a/source/resources/spreadsheets/sharkfork.ods and b/source/resources/spreadsheets/sharkfork.ods differ