Update content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md

Co-authored-by: Lubomir I. Ivanov <neolit123@gmail.com>
This commit is contained in:
serewicz
2022-04-18 11:25:13 -05:00
committed by GitHub
parent ad2921225b
commit 5750981c00
@@ -69,7 +69,7 @@ For more details please see the [Network Plugin Requirements](/docs/concepts/ext
## Check required ports
These
[required ports](/docs/reference/ports-and-protocols/)
need to be open in order for Kubernetes components to communicate with each other. You can use NetCat to check if a port is open. For example:
need to be open in order for Kubernetes components to communicate with each other. You can use tools like netcat to check if a port is open. For example:
```shell
nc 127.0.0.1 6443