Set Docker_Opts in centos

Question

I need to set docker to listen to tcp://0.0.0.0/4243 on my host machine running amazon linux (centos). All the documentation I have seen has told me to run the following command

Answer 1

Based on https://docs.docker.com/engine/admin/configuring/

sudo mkdir /etc/systemd/system/docker.service.d
sudo vi /etc/systemd/system/docker.service.d/docker.conf

[Service]
ExecStart=
ExecStart=/usr/bin/docker daemon -H fd:// -D -H tcp://127.0.0.1:4243

sudo systemctl daemon-reload
sudo systemctl restart docker