Hi,

First, sorry my english is bad.

Dear,
I am using ubuntu 16.04 LTS, following the observations of the https://kubernetes.io/docs/setup/independent/install-kubeadm/

But in the step: apt-get install -y kubelet kubeadm kubectl error appears:
apt-get install -y kubelet kubeadm kubectl
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package kubelet
E: Unable to locate package kubeadm
E: Unable to locate package kubectl

Before i execute apt-get update and not erros, but after with command above not sucess.

root@niki-Inspiron-5458:/etc/apt/sources.list.d# ls
getdeb.list getdeb.list.distUpgrade kubernetes.list
root@niki-Inspiron-5458:/etc/apt/sources.list.d# cat kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
root@niki-Inspiron-5458:/etc/apt/sources.list.d#

Look my environment;

root@niki-Inspiron-5458:/etc/apt/sources.list.d# uname -a
Linux niki-Inspiron-5458 4.4.0-112-generic #135-Ubuntu SMP Fri Jan 19 11:48:14 UTC 2018 i686 i686 i686 GNU/Linux

root@niki-Inspiron-5458:/etc/apt/sources.list.d# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.3 LTS"

root@niki-Inspiron-5458:/etc/apt/sources.list.d# cat /proc/version
Linux version 4.4.0-112-generic (buildd@lgw01-amd64-017) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.5) ) #135-Ubuntu SMP Fri Jan 19 11:48:14 UTC 2018

Please can help me? Tks so much. Sorry my english, i m Brazilian.

Environment:

• Kubernetes version (use kubectl version): 1.9
• Cloud provider or hardware configuration: i dont know
• OS (e.g. from /etc/os-release): answer above
• Kernel (e.g. uname -a): answer above
• Install tools: nothing
• Others: nothing