omry/gist:4ff9bf91fda1b02c322e00a90158b986

## gistfile1.txt
vagrant@workstation:~/learn-chef/.chef$ sudo knife ssh 'name:node1' 'sudo chef-client' --ssh-user vagrant --ssh-password vagrant --attribute ipaddress
10.0.2.15 [2018-10-18T01:00:05+00:00] WARN: *****************************************
10.0.2.15 [2018-10-18T01:00:05+00:00] WARN: Did not find config file: /etc/chef/client.rb, using command line options.
10.0.2.15 [2018-10-18T01:00:05+00:00] WARN: *****************************************
10.0.2.15 Starting Chef Client, version 13.8.5
10.0.2.15 Creating a new client identity for workstation using the validator key.
10.0.2.15 [2018-10-18T01:00:07+00:00] WARN: Failed to read the private key /etc/chef/validation.pem: #<Errno::ENOENT: No such file or directory @ rb_sysopen - /etc/chef/validation.pem>
10.0.2.15
10.0.2.15 ================================================================================
10.0.2.15 Chef encountered an error attempting to create the client "workstation"
10.0.2.15 ================================================================================
10.0.2.15
10.0.2.15 Private Key Not Found:
10.0.2.15 ----------------------
10.0.2.15 Your private key could not be loaded. If the key file exists, ensure that it is
10.0.2.15 readable by chef-client.
10.0.2.15
10.0.2.15 Relevant Config Settings:
10.0.2.15 -------------------------
10.0.2.15 validation_key "/etc/chef/validation.pem"
10.0.2.15
10.0.2.15 System Info:
10.0.2.15 ------------
10.0.2.15 chef_version=13.8.5
10.0.2.15 ruby=ruby 2.4.3p205 (2017-12-14 revision 61247) [x86_64-linux]
10.0.2.15 program_name=chef-client worker: ppid=4759;start=01:00:05;
10.0.2.15 executable=/opt/chefdk/bin/chef-client
10.0.2.15
10.0.2.15
10.0.2.15 Running handlers:
10.0.2.15 [2018-10-18T01:00:07+00:00] ERROR: Running exception handlers
10.0.2.15 Running handlers complete
10.0.2.15 [2018-10-18T01:00:07+00:00] ERROR: Exception handlers complete
10.0.2.15 Chef Client failed. 0 resources updated in 01 seconds
10.0.2.15 [2018-10-18T01:00:07+00:00] FATAL: Stacktrace dumped to /var/chef/cache/chef-stacktrace.out
10.0.2.15 [2018-10-18T01:00:07+00:00] FATAL: Please provide the contents of the stacktrace.out file if you file a bug report
10.0.2.15 [2018-10-18T01:00:07+00:00] ERROR: I cannot read /etc/chef/validation.pem, which you told me to use to sign requests!
10.0.2.15 [2018-10-18T01:00:07+00:00] FATAL: Chef::Exceptions::ChildConvergeError: Chef run process exited unsuccessfully (exit code 1)
	vagrant@workstation:~/learn-chef/.chef$ sudo knife ssh 'name:node1' 'sudo chef-client' --ssh-user vagrant --ssh-password vagrant --attribute ipaddress
	10.0.2.15 [2018-10-18T01:00:05+00:00] WARN: *****************************************
	10.0.2.15 [2018-10-18T01:00:05+00:00] WARN: Did not find config file: /etc/chef/client.rb, using command line options.
	10.0.2.15 [2018-10-18T01:00:05+00:00] WARN: *****************************************
	10.0.2.15 Starting Chef Client, version 13.8.5
	10.0.2.15 Creating a new client identity for workstation using the validator key.
	10.0.2.15 [2018-10-18T01:00:07+00:00] WARN: Failed to read the private key /etc/chef/validation.pem: #<Errno::ENOENT: No such file or directory @ rb_sysopen - /etc/chef/validation.pem>
	10.0.2.15
	10.0.2.15 ================================================================================
	10.0.2.15 Chef encountered an error attempting to create the client "workstation"
	10.0.2.15 ================================================================================
	10.0.2.15
	10.0.2.15 Private Key Not Found:
	10.0.2.15 ----------------------
	10.0.2.15 Your private key could not be loaded. If the key file exists, ensure that it is
	10.0.2.15 readable by chef-client.
	10.0.2.15
	10.0.2.15 Relevant Config Settings:
	10.0.2.15 -------------------------
	10.0.2.15 validation_key "/etc/chef/validation.pem"
	10.0.2.15
	10.0.2.15 System Info:
	10.0.2.15 ------------
	10.0.2.15 chef_version=13.8.5
	10.0.2.15 ruby=ruby 2.4.3p205 (2017-12-14 revision 61247) [x86_64-linux]
	10.0.2.15 program_name=chef-client worker: ppid=4759;start=01:00:05;
	10.0.2.15 executable=/opt/chefdk/bin/chef-client
	10.0.2.15
	10.0.2.15
	10.0.2.15 Running handlers:
	10.0.2.15 [2018-10-18T01:00:07+00:00] ERROR: Running exception handlers
	10.0.2.15 Running handlers complete
	10.0.2.15 [2018-10-18T01:00:07+00:00] ERROR: Exception handlers complete
	10.0.2.15 Chef Client failed. 0 resources updated in 01 seconds
	10.0.2.15 [2018-10-18T01:00:07+00:00] FATAL: Stacktrace dumped to /var/chef/cache/chef-stacktrace.out
	10.0.2.15 [2018-10-18T01:00:07+00:00] FATAL: Please provide the contents of the stacktrace.out file if you file a bug report
	10.0.2.15 [2018-10-18T01:00:07+00:00] ERROR: I cannot read /etc/chef/validation.pem, which you told me to use to sign requests!
	10.0.2.15 [2018-10-18T01:00:07+00:00] FATAL: Chef::Exceptions::ChildConvergeError: Chef run process exited unsuccessfully (exit code 1)