Remove node from Puppet Enterprise system

On the PE master:

[root@pe-master ~]# puppet cert clean node.domain.com
Notice: Revoked certificate with serial 34
Notice: Removing file Puppet::SSL::Certificate node.domain.com at '/etc/puppetlabs/puppet/ssl/ca/signed/node.domain.com
Notice: Removing file Puppet::SSL::Certificate node.domain.com at '/etc/puppetlabs/puppet/ssl/certs/node.domain.com

[root@pe-master ~]# puppet node deactivate node.domain.com
Submitted 'deactivate node' for node.domain.com with UUID 1d6c7992-d4cf-4659-91e2-23c751afacc2

[root@pe-master ~]# puppet cert revoke node.domain.com
Notice: Revoked certificate with serial 34

Restart pe: service pe-puppet restart On the client:

[root@pe-client ~]# find /etc/puppetlabs/puppet/ssl -name node.domain.com -delete

Firewall Commands on CentOS 7

Open a firewall port

   30  firewall-cmd --zone=public --add-port=4407/tcp --permanent
   31  firewall-cmd --reload

Show opened ports

  568  firewall-cmd --zone=public --list-ports

List connected servies

  567  firewall-cmd --zone=public --list-services

Find out whether an NIC is connected and has link

root@host ~
$ ip link show dev eth0
3: eth0:  mtu 1500 qdisc pfifo_fast master bond0 state UP qlen 1000
    link/ether 00:xx:xx:xx:xx:ef brd ff:ff:ff:ff:ff:ff
root@host ~
$ ip link show dev eth1
2: eth1:  mtu 1500 qdisc pfifo_fast master bond1 state DOWN qlen 1000
    link/ether 00:xx:xx:xx:xx:ed brd ff:ff:ff:ff:ff:ff
root@nost ~

If NetworkManager is installed but not used facter throws a warning - Puppet

The solution for this is simple!

yum remove NetworkManager