通过 crc console --credentials 可以查看登录信息：
$ crc console --credentials
To login as a regular user, run 'oc login -u developer -p developer https://api.crc.testing:6443'.
To login as an admin, run 'oc login -u kubeadmin -p 9cdKu-ihELt-PYiiN-aazX2 https://api.crc.testing:6443'
登录：
$ oc login -u kubeadmin -p 9cdKu-ihELt-PYiiN-aazX2 https://api.crc.testing:6443
Login successful.
You have access to 66 projects, the list has been suppressed. You can list all projects with 'oc projects'
Using project "default".
注： https://api.crc.testing:6443 是可选的，缺省就是登录本机。
查看当前身份：
$ oc whoami
kubeadmin
登录时，可以加上 --web 选项，启动web console，通过web console登录：
$ oc login --web
Opening login URL in the default browser: https://oauth-openshift.apps-crc.testing/oauth/authorize?client_id=openshift-cli-client&code_challenge=FXeS7NXkkgk-c8T2IBC62OerE5idgtetRqackO6n15E&code_challenge_method=S256&redirect_uri=http%3A%2F%2F127.0.0.1%3A35445%2Fcallback&response_type=code
