This is a quick document for my reference not much details in here. Will elaborate later.

File Locations:

Binary Files: /opt/puppetlabs/bin Symlinks to : /opt/puppetlabs/puppet/bin

Main configuration files: /etc/puppetlabs/puppet main configuration file is puppet.configuration Display data with puppet command.

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$ puppet agent --version To check the version
$ puppet config print
$ puppet config print confdir
$ puppet conifg print certname
$ puppet config print {confdir rundir ssldir runinterval(default to 30 mins.)}

Installing puppet master.

2 tasks

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- add puppet repos
sudo yum install -y http://yum.puppetlabs.com/puppetlabs-release-el-7.noarch.rpm
- install the server

Setting up directory environment

Checking the defaults for new environment

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sudo puppet config print modulepath --section master --environment test

Fixing the certificate

On the server: Stop Puppet Server.

On the CA server: Revoke and clean the server’s old certificate. (puppet cert clean )

On the server: Delete the old certificate (and any old certificate signing requests) from the ssldir.

On the server: Run puppet agent -t –ca_server to request a new certificate

On the CA server: Sign the certificate request, explicitly allowing alternate names (puppet cert sign –allow-dns-alt-names ).

On the server: Run puppet agent -t –ca_server to retrieve the cert.

On the server: Start Puppet Server again.

https://docs.puppet.com/puppet/latest/configuration.html#dnsaltnames