diff options
Diffstat (limited to 'doc/user/project/clusters/add_existing_cluster.md')
| -rw-r--r-- | doc/user/project/clusters/add_existing_cluster.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/user/project/clusters/add_existing_cluster.md b/doc/user/project/clusters/add_existing_cluster.md index 849cc572f72..363197107f9 100644 --- a/doc/user/project/clusters/add_existing_cluster.md +++ b/doc/user/project/clusters/add_existing_cluster.md @@ -244,8 +244,8 @@ You may also experience this error if your certificate is not valid. To check th subject alternative names contain the correct domain for your cluster's API, run this command: ```shell -echo | openssl s_client -showcerts -connect kubernetes.example.com:443 2>/dev/null | +echo | openssl s_client -showcerts -connect kubernetes.example.com:443 -servername kubernetes.example.com 2>/dev/null | openssl x509 -inform pem -noout -text ``` -The `-connect` argument expects a `host:port` combination. For example, `https://kubernetes.example.com` would be `kubernetes.example.com:443`. +The `-connect` argument expects a `host:port` combination. For example, `https://kubernetes.example.com` would be `kubernetes.example.com:443`. The `-servername` argument expects a domain without any URI, for example `kubernetes.example.com`. |