$ wget https://cfengine-package-repos.s3.amazonaws.com/community_binaries/Community-3.15.3/agent_rhel8_x86_64/cfengine-community-3.15.3-1.el8.x86_64.rpm
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$ sudo yum localinstall cfengine-community-3.15.3-1.el8.x86_64.rpm
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$ sudo /var/cfengine/bin/cf-agent --bootstrap 192.168.38.131
  notice: Bootstrap mode: implicitly trusting server, use --trust-server=no if server trust is already established
  notice: Trusting new key: MD5=d67ad40160db5f79a616eea18bb9073c
R: Bootstrapping from host '192.168.38.131' via built-in policy '/var/cfengine/inputs/failsafe.cf'
R: This autonomous node assumes the role of voluntary client
R: Updated local policy from policy server
R: Triggered an initial run of the policy
R: Restarted systemd unit cfengine3
  notice: Bootstrap to '192.168.38.131' completed successfully!
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### Open port 5308/TCP on the local firewall
$ sudo firewall-cmd --zone=public --add-service=cfengine