Document conntrack dependency for kube-proxy

This commit is contained in:
Qiming Teng
2017-10-19 14:31:06 +08:00
committed by Jessica Yao
parent 0e71cca1c2
commit 637fa885e1
2 changed files with 14 additions and 0 deletions
@@ -426,6 +426,13 @@ I1027 22:14:54.040223 5063 proxier.go:294] Adding new service "kube-system/ku
If you see error messages about not being able to contact the master, you
should double-check your `Node` configuration and installation steps.
One of the possible reasons that `kube-proxy` cannot run correctly is that the
required `conntrack` binary cannot be found. This may happen on some Linux
systems, depending on how you are installing the cluster, for example, you are
installing Kubernetes from scratch. If this is the case, you need to manually
install the `conntrack` package (e.g. `sudo apt install conntrack` on Ubuntu)
and then retry.
### Is kube-proxy writing iptables rules?
One of the main responsibilities of `kube-proxy` is to write the `iptables`