add iputils dependency

Author: jsadowyj

Dockerfile.rocky9

@@ -13,7 +13,7 @@ RUN dnf -y --disablerepo '*' --enablerepo=extras
 RUN dnf -y distro-sync
 RUN dnf -y upgrade && \
     dnf groupinstall -y "Development Tools" && \
-    dnf install -y --allowerasing curl expat-devel openssl openssl-devel net-snmp-utils bind-utils which procps && \
+    dnf install -y --allowerasing curl expat-devel openssl openssl-devel net-snmp-utils bind-utils which procps iputils && \
     curl -s -L -O https://www.monitoring-plugins.org/download/monitoring-plugins-2.3.3.tar.gz && \
     tar xzf monitoring-plugins-2.3.3.tar.gz && \
     cd monitoring-plugins-2.3.3 && \