diff --git a/bin/f b/bin/f
deleted file mode 100644
index 5536431..0000000
--- a/bin/f
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/bash
-
-# requires lorax, genisoimage: dnf install lorax genisoimage
-
-mkksiso --ks=/var/www/kickstart/rocky-9.cfg Rocky-9.7-x86_64-minimal.iso custom.iso
-
-
diff --git a/bin/make-rocky b/bin/make-rocky
new file mode 100755
index 0000000..d5249ac
--- /dev/null
+++ b/bin/make-rocky
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# requires lorax, genisoimage: dnf install lorax genisoimage
+
+die() { echo "$(basename $0): [die] $@" >&2 ; exit 1 ; }
+
+rpm -q --quiet lorax       || die "lorax not installed"
+rpm -q --quiet genisoimage || die "genisoimage not installed"
+
+mkksiso --ks=/var/www/kickstart/rocky-9.cfg Rocky-9.7-x86_64-minimal.iso custom.iso
+
+