Use relative links for k8s.io

content/en/docs/setup/production-environment/_index.md

@@ -55,7 +55,7 @@ are influenced by the following issues:
 Before building a Kubernetes production environment on your own, consider
 handing off some or all of this job to 
 [Turnkey Cloud Solutions](/docs/setup/production-environment/turnkey-solutions/) 
-providers or other [Kubernetes Partners](https://kubernetes.io/partners/).
+providers or other [Kubernetes Partners](/partners/).
 Options include:
 
 - *Serverless*: Just run workloads on third-party equipment without managing
@@ -288,7 +288,7 @@ needs of your cluster's workloads:
 
 - Decide if you want to build your own production Kubernetes or obtain one from
   available [Turnkey Cloud Solutions](/docs/setup/production-environment/turnkey-solutions/)
-  or [Kubernetes Partners](https://kubernetes.io/partners/).
+  or [Kubernetes Partners](/partners/).
 - If you choose to build your own cluster, plan how you want to
   handle [certificates](/docs/setup/best-practices/certificates/)
   and set up high availability for features such as

content/en/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm.md

@@ -11,7 +11,7 @@ weight: 30
 <img src="/images/kubeadm-stacked-color.png" align="right" width="150px"></img>
 Using `kubeadm`, you can create a minimum viable Kubernetes cluster that conforms to best practices.
 In fact, you can use `kubeadm` to set up a cluster that will pass the
-[Kubernetes Conformance tests](https://kubernetes.io/blog/2017/10/software-conformance-certification).
+[Kubernetes Conformance tests](/blog/2017/10/software-conformance-certification/).
 `kubeadm` also supports other cluster lifecycle functions, such as
 [bootstrap tokens](/docs/reference/access-authn-authz/bootstrap-tokens/) and cluster upgrades.
 
@@ -76,8 +76,9 @@ Install a {{< glossary_tooltip term_id="container-runtime" text="container runti
 For detailed instructions and other prerequisites, see [Installing kubeadm](/docs/setup/production-environment/tools/kubeadm/install-kubeadm/).
 
 {{< note >}}
-If you have already installed kubeadm, run `apt-get update &&
-apt-get upgrade` or `yum update` to get the latest version of kubeadm.
+If you have already installed kubeadm, run
+`apt-get update && apt-get upgrade` or
+`yum update` to get the latest version of kubeadm.
 
 When you upgrade, the kubelet restarts every few seconds as it waits in a crashloop for
 kubeadm to tell it what to do. This crashloop is expected and normal.
@@ -582,7 +583,7 @@ Example for `kubeadm upgrade`:
 or {{< skew currentVersion >}}
 
 To learn more about the version skew between the different Kubernetes component see
-the [Version Skew Policy](https://kubernetes.io/releases/version-skew-policy/).
+the [Version Skew Policy](/releases/version-skew-policy/).
 
 ## Limitations {#limitations}