diff --git a/day1_geninventory.sh b/day1_geninventory.sh
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+++ b/day1_geninventory.sh
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+#
+#   Day 1 - Generate Inventory
+#   Requires linode-cli to be installed (`pip3 install linode-cli`)
+#   The hosts file generated requires ansible (`pip3 install ansible`)
+#   This will crush any ansible.cfg and hosts files in the current directory.
+
+# Default ansible group and linode label
+if [ -z "$CATEGORY" ]
+then
+    CATEGORY="UpskillChallengeNode"
+fi
+
+# fetch IP address from Linode. Assumes one device (TODO: handle a swarm of them).
+NODEIP=$(linode-cli linodes list --format 'ipv4' --label "$CATEGORY" --text | tail -n 1)
+
+# create or clobber hosts file
+cat > hosts << EOF
+[$CATEGORY]
+$NODEIP   ansible_user=root
+EOF
+
+# create or clobber hosts file
+cat > ansible.cfg << EOF
+[defaults]
+inventory = $(pwd)/hosts
+EOF
+
+ansible "$CATEGORY" -m ping
+