[root@comp1 ~]# /usr/local/bin/puppet agent --server=knuth.school6.linux --no-daemonize --verbose
Info: Creating a new SSL key for comp1.school6.linux
Info: Caching certificate for ca
Info: Creating a new SSL certificate request for comp1.school6.linux
Info: Certificate Request fingerprint (SHA256): 33:F6:9D:BC:36:3E:47:37:A7:0D:F6:F0:19:22:74:0C:07:B5:EF:25:01:E0:5A:4A:E9:EC:E3:B4:3F:59:21:06
^CCancelling startup

идем на сервер и подписываем сертификат для этого хоста (puppet cert --sign comp1.school6.linux)
после этого все работает

[root@comp1 ~]# /usr/local/bin/puppet agent --server=knuth.school6.linux --no-daemonize --verbose
Info: Caching certificate for comp1.school6.linux
Notice: Starting Puppet client version 3.1.0
Info: Caching certificate_revocation_list for ca
Warning: Unable to fetch my node definition, but the agent run will continue:
Warning: Could not intern from pson: source '"#<Puppet::Node:0xb7' not in PSON!
Info: Retrieving plugin
Error: /File[/var/lib/puppet/lib]: Could not evaluate: Could not retrieve information from environment production source(s) puppet://knuth.school6.linux/plugins
Info: Caching catalog for comp1.school6.linux
Info: Applying configuration version '1360182688'
Info: Creating state file /var/lib/puppet/state/state.yaml
Notice: Finished catalog run in 0.07 seconds
^CNotice: Caught INT; calling stop


после удаления rubygems версии puppet'а и установки версии из репозитория, вывод получаем следующим:

[root@comp1 ~]# puppet agent --server=knuth.school6.linux --no-daemonize --verbose
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:27: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:28: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
notice: Starting Puppet client version 2.7.5
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:25: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:25: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:25: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:25: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:25: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:25: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:25: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:25: warning: class variable access from toplevel
/usr/share/ruby/vendor_ruby/1.9/facter/lsb.rb:31: warning: class variable access from toplevel
info: Caching catalog for comp1.school6.linux
info: Applying configuration version '1360182688'
notice: Finished catalog run in 0.02 seconds
^Cnotice: Caught INT; calling stop