我正在尝试通过运行来引导一个新的 Chef 节点：
knife bootstrap <server ip> -x lewis -N gitlab --sudo
但我得到以下输出：
[Mon, 03 Sep 2012 14:45:17 +0000] INFO: *** Chef 10.12.0 ***
[Mon, 03 Sep 2012 14:45:17 +0000] INFO: Client key /etc/chef/client.pem is not present - registering
[Mon, 03 Sep 2012 14:45:17 +0000] INFO: HTTP Request Returned 401 Unauthorized: Failed to authenticate. Ensure that your client key is valid.
[Mon, 03 Sep 2012 14:45:17 +0000] FATAL: Stacktrace dumped to /var/chef/cache/chef-stacktrace.out
[Mon, 03 Sep 2012 14:45:17 +0000] FATAL: Net::HTTPServerException: …