Remove Zenoss

How do I uninstall Zenoss Core 5 on Centos 7 I installed it manually using the guide. I found this with google search, but the first command doesn't work, the rest are probably incorrect for centos 7. Thank you.

service zenoss stop

yum remove zenoss mysql-server mysql-client mysql-shared rabbitmq-server redis memcached
rpm -ef --nodeps MySQL-shared-compat

rm -rf /var/lib/mysql/
rm -rf /var/lib/rabbitmq/
rm -rf /opt/zenoss
userdel zenoss
rm -rf /home/zenoss

Clean DB

mysql -u root
show databases;
drop database zenoss_zep;
drop database zodb;
drop database zodb_session;