add sudo to Red Hat-based distributions - ru

Author: iamaliyousefi

content/ru/docs/tasks/tools/install-kubectl.md

@@ -65,7 +65,7 @@ echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee -a /etc/
 sudo apt-get update
 sudo apt-get install -y kubectl
 {{< /tab >}}
-{{< tab name="CentOS, RHEL или Fedora" codelang="bash" >}}cat <<EOF > /etc/yum.repos.d/kubernetes.repo
+{{< tab name="CentOS, RHEL или Fedora" codelang="bash" >}}sudo cat <<EOF > /etc/yum.repos.d/kubernetes.repo
 [kubernetes]
 name=Kubernetes
 baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
@@ -74,7 +74,7 @@ gpgcheck=1
 repo_gpgcheck=1
 gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
 EOF
-yum install -y kubectl
+sudo yum install -y kubectl
 {{< /tab >}}
 {{< /tabs >}}