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docker_install_centos.md

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Installing Docker on centos

https://docs.docker.com/engine/install/centos/

Do ssh to the machine

ssh -i C:\......\DMZ1.pem centos@13.233.XXXX.XXXX

Update the repo files to point to new url

sudo sed -i -e "s|mirrorlist=|#mirrorlist=|g" /etc/yum.repos.d/CentOS-*
sudo sed -i -e "s|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g" /etc/yum.repos.d/CentOS-*

Update and upgrade the packages

sudo yum -y update
sudo sed -i -e "s|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g" /etc/yum.repos.d/CentOS-*
sudo yum -y update && sudo yum -y upgrade

Uninstall old versions

sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

Set up the repository

Install the yum-utils package (which provides the yum-config-manager utility)

sudo yum install -y yum-utils

Set up the stable repository

sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

Install Docker Engine

Install the latest version of Docker Engine and containerd

sudo yum install docker-ce docker-ce-cli containerd.io

Start docker service

sudo systemctl start docker

Verify that Docker Engine is installed

sudo docker info
sudo docker run hello-world

Set up current user to be able to run docker commands without sudo

sudo groupadd docker
sudo usermod -aG docker $USER
exit

Reconnect to machine and configure docker to auto start on machine start

sudo systemctl status docker
sudo systemctl enable docker.service
sudo systemctl enable containerd.service

Install git if needed

sudo apt -y install git