From 4fe0eaae1f657bcb63bd30f41daed13bcced5489 Mon Sep 17 00:00:00 2001
From: vanou <8667089+vanou@users.noreply.github.com>
Date: Mon, 28 Oct 2019 10:23:25 +0900
Subject: [PATCH] Fixes commands not working without sudo (#17139)

In doc of kubeadm installation, there are commands which wont work
without sudo regarding to Ubuntu/Debian instruction. However, other
docs related to kubeadm under
content/en/docs/setup/production-environment have commands with sudo.

This commit fixes this inconsistency.
---
 .../tools/kubeadm/install-kubeadm.md          | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md b/content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
index e965e43614ca0..3b71be6a4e511 100644
--- a/content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
+++ b/content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
@@ -66,10 +66,10 @@ switching to legacy mode, and is therefore incompatible with current kubeadm pac
 {{< tabs name="iptables_legacy" >}}
 {{% tab name="Debian or Ubuntu" %}}
 ```bash
-update-alternatives --set iptables /usr/sbin/iptables-legacy
-update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
-update-alternatives --set arptables /usr/sbin/arptables-legacy
-update-alternatives --set ebtables /usr/sbin/ebtables-legacy
+sudo update-alternatives --set iptables /usr/sbin/iptables-legacy
+sudo update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
+sudo update-alternatives --set arptables /usr/sbin/arptables-legacy
+sudo update-alternatives --set ebtables /usr/sbin/ebtables-legacy
 ```
 {{% /tab %}}
 {{% tab name="Fedora" %}}
@@ -177,14 +177,14 @@ For more information on version skews, see:
 {{< tabs name="k8s_install" >}}
 {{% tab name="Ubuntu, Debian or HypriotOS" %}}
 ```bash
-apt-get update && apt-get install -y apt-transport-https curl
-curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
-cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
+sudo apt-get update && sudo apt-get install -y apt-transport-https curl
+curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
+cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
 deb https://apt.kubernetes.io/ kubernetes-xenial main
 EOF
-apt-get update
-apt-get install -y kubelet kubeadm kubectl
-apt-mark hold kubelet kubeadm kubectl
+sudo apt-get update
+sudo apt-get install -y kubelet kubeadm kubectl
+sudo apt-mark hold kubelet kubeadm kubectl
 ```
 {{% /tab %}}
 {{% tab name="CentOS, RHEL or Fedora" %}}