Create a Simple CentOS Docker Container and Attach/Detach from It

#install docker

sudo yum install docker -y

#start docker

sudo systemctl start docker

#pull centos image

sudo docker pull centos

#create a centos container with interactive shell

#c1 is any name for the container

sudo docker container create -it --name c1 centos

#start the container

sudo docker container start c1

#attach to the container

sudo docker container attach c1

#detach from the container

#press: ctrl+p+q

#stop the container

sudo docker container stop c1

#remove all stopped containers

sudo docker container prune