/eth-validators

eth-validator

Docker

yum update -y
wget https://download.docker.com/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker.repo
yum install docker-ce –y
systemctl start docker
systemctl enable docker

Firewall

yum install firewalld -y 
firewall-cmd --state
systemctl start firewalld
systemctl enable firewalld

Configure Firewall

firewall-cmd --permanent --add-port=2376/tcp
firewall-cmd --permanent --add-port=2377/tcp
firewall-cmd --permanent --add-port=7946/tcp
firewall-cmd --permanent --add-port=80/tcp
firewall-cmd --permanent --add-port=7946/udp
firewall-cmd --permanent --add-port=4789/udp
firewall-cmd --permanent --add-port=22/tcp

firewall-cmd --zone=zone-name --change-interface=<interface-name>


firewall-cmd --reload
systemctl restart docker

Init Docker Swarm

docker swarm init --advertise-addr 10.13.37.2

Become a worker:

docker swarm join --token XXXXXXX 10.13.37.2:2377

Become a manager:

docker swarm join-token manager

Docker Commands

[root@nova01 ~]# docker node ls
ID                            HOSTNAME            STATUS              AVAILABILITY        MANAGER STATUS      ENGINE VERSION
o31hvn1sw5nfdzcg2uvztwylj *   nova01              Ready               Active              Leader              19.03.9

[root@nova01 ~]# docker info
...

Create new join-token:

docker swarm join-token manager -q

Create own registry:

docker service create --name registry --publish published=5000,target=5000 registry:2

In docker compose:

version: '3'

services:
  web:
    image: 127.0.0.1:5000/XXXX
    build: .
    ports:
      - "8000:8000"

Run geth:

docker stack deploy --compose-file docker-compose.yaml geth