Basic flannel and etcd setup

flannel-and-etcd-with-docker.sh

#!/bin/bash

###### Install and run Etcd #############
curl --location https://github.com/coreos/etcd/releases/download/v3.1.5/etcd-v3.1.5-linux-amd64.tar.gz | tar -xz

cp etcd-v3.1.5-linux-amd64/etcd /usr/local/bin/
cp etcd-v3.1.5-linux-amd64/etcdctl /usr/local/bin/

mkdir /var/lib/etcd

nohup etcd --data-dir=/var/lib/etcd/ --listen-client-urls=http://192.168.33.11:2379 --advertise-client-urls=http://192.168.33.11:2379 </dev/null >/dev/null 2>&1 &
########################################

#### Configure network #################
etcdctl --endpoint http://192.168.33.11:2379 set /coreos.com/network/config '{ "Network": "10.2.0.0/16", "Backend": { "Type": "vxlan" } }'
########################################

#### Install and run Flannel ############
curl --location https://github.com/coreos/flannel/releases/download/v0.7.0/flanneld-amd64 -o /usr/local/bin/flanneld
chmod +x /usr/local/bin/flanneld

nohup flanneld --ip-masq=true --etcd-endpoints=http://192.168.33.11:2379 --public-ip=192.168.33.11 </dev/null >/dev/null 2>&1 &
########################################

#### Configure Docker ##################
cat >> /etc/sysconfig/docker <<EOF

# Flannel config
. /run/flannel/subnet.env
OPTIONS="\$OPTIONS --bip=\$FLANNEL_SUBNET --mtu=\$FLANNEL_MTU"

EOF

/etc/init.d/docker stop
/etc/init.d/docker start
########################################

Hello, very good, I have 2 doubts, the first is that I use debian and do not have the / etc / sysconfig / docker folder, should I put it in / etc / default / docker?
Another question is that when I restart the machine the network is lost what do I have to do?