puppet客户端认证错误
Q：# puppetd--server=server97.example.comdnsdomainname: Unknown host
dnsdomainname: Unknown host
err: Could not request certificate: Connection refused - connect(2)
Exiting; failed to retrieve certificate and waitforcert is disabled
A：此错误是没有启动puppetmasterd服务和配置绑定主机名
#vi /etc/hosts
在最后一行添加：
192.168.0.197 server97.example.com puppet
#puppetmasterd --启动服务
Q: # puppetd --server puppet.com --test
err: Could not request certificate: No route to host - connect(2)
Exiting; failed to retrieve certificate and waitforcert is disabled
A: server端没有开启8140 port or close iptables firewall
Q: # puppetd --test --server=server97.example.com
info: Creating a new SSL key for db-211
err: Could not request certificate: getaddrinfo: Name or service not known
Exiting; failed to retrieve certificate and waitforcert is disabled
A: 客户端没有配置服务器端的域名绑定：
#vi /etc/hosts
在最后一行添加：
192.168.0.197 server97.example.com puppet
Q:# puppetd --server=server.puppet.com
Could not prepare for execution: Could not create PID file: /var/run/puppet/agent.pid
A:查看puppet的进程
ps -ef |grep puppet
kill 掉对应的进程，重新启动
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