diff --git a/README.md b/README.md
index 55956ce..7d08755 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,24 @@
 # kubeadm-photon-os
 
+##Instalación de ETCD Externo
+
+wget https://pkg.cfssl.org/R1.2/cfssl_linux-amd64
+wget https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64
+chmod +x cfssl*
+mv cfssl_linux-amd64 /usr/local/bin/cfssl
+mv cfssljson_linux-amd64 /usr/local/bin/cfssljson
+
+
+cfssl gencert -initca ca-csr.json | cfssljson -bare ca
+
+cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -hostname=172.16.100.100,172.16.100.101,172.16.100.102,172.16.100.103,127.0.0.1,kubernetes.default -profile=kubernetes kubernetes-csr.json | cfssljson -bare kubernetes
+
+scp ca.pem kubernetes.pem kubernetes-key.pem root@<PeerIPx>:~
+
+cp ca.pem kubernetes.pem kubernetes-key.pem /etc/etcd
+
+wget https://github.com/coreos/etcd/releases/download/v3.5.0/etcd-v3.5.0-linux-amd64.tar.gz
+tar -zxvf etcd-v3.5.0-linux-amd64.tar.gz
+mv etcd-v3.5.0-linux-amd64/etcd* /usr/local/bin/
+
+mv etcd.service /etc/systemd/system/etcd.service
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