How to Upgrade Puppet Version Server and Agent

1)
$ wget https://apt.puppetlabs.com/puppetlabs-release-pc1-trusty.deb
$ sudo dpkg -i puppetlabs-release-pc1-trusty.deb
$ sudo apt-get update

2)
$ sudo apt-get install puppet
$ puppet —version



3)
$ wget https://downloads.puppetlabs.com/puppet/puppet-4.10.8.tar.gz
$ tar -xzf puppet-4.10.8.tar.gz

4)
$ cd . puppet-4.10.8
$ ./install.rb