Installing Docker on RedHat

RedHat uses Podman instead of docker. But you can use regular docker if you install it manually. Instructions can be found here: https://www.cyberciti.biz/faq/install-use-setup-docker-on-rhel7-centos7-linux/

Installing Docker

Here is a short summary.

sudo yum remove docker docker-common docker-selinux docker-engine-selinux && docker-engine docker-ce
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce
sudo systemctl enable docker.service
sudo systemctl start docker.service

Install Docker compose

sudo yum install epel-release
sudo yum install -y python-pip
sudo pip install docker-compose

git-lfs

sudo yum install docker git git-lfs

Other issues

Getting through firewall on linux

This might be needed:

systemctl enable firewalld
systemctl start firewalld

sudo firewall-cmd --add-port=80/tcp --permanent
sudo firewall-cmd --reload
sudo systemctl restart docker.service