diff --git a/debian/changelog b/debian/changelog
index 2d47d5d..c3865da 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-ollama (0.12.11rakuos1) unstable; urgency=medium
+ollama (0.12.11rakuos4) unstable; urgency=medium
 
   * Initial packaging.
 
diff --git a/debian/postinst b/debian/postinst
new file mode 100755
index 0000000..09d23c2
--- /dev/null
+++ b/debian/postinst
@@ -0,0 +1,4 @@
+#!/bin/sh
+set -e
+
+#systemctl enable --now ollama.service
diff --git a/debian/preinst b/debian/preinst
new file mode 100755
index 0000000..cc4c721
--- /dev/null
+++ b/debian/preinst
@@ -0,0 +1,20 @@
+#!/bin/sh
+set -e
+
+# Create ollama system user + group if not exist
+if ! id ollama >/dev/null 2>&1; then
+    adduser \
+        --system \
+        --home /var/lib/ollama \
+        --shell /usr/sbin/nologin \
+        --no-create-home \
+        --group \
+        ollama
+fi
+
+# Make sure home exists
+mkdir -p /var/lib/ollama
+chown ollama:ollama /var/lib/ollama
+chmod 750 /var/lib/ollama
+
+exit 0