added some debugging tools

files/htcondor.Dockerfile

@@ -5,4 +5,7 @@ RUN yum install -y https://research.cs.wisc.edu/htcondor/repo/8.9/htcondor-relea
 	yum install -y less && \
 	yum clean all
 
+RUN	yum install -y iproute bind-utils nmap-ncat net-tools && \
+	yum clean all
+
 CMD bash -c 'cat <({ condor_master -f & tail --retry --pid $! -f /var/log/condor/MasterLog & })'