подписан https://docs.aws.amazon.com/AmazonECS/latest/developerguide/docker-basics.html#install_docker
ec2-user@ip-10-14-6-40 ~]$ sudo yum install docker -v
Loading "langpacks" plugin
Not loading "priorities" plugin, as it is disabled
Loading "update-motd" plugin
Adding en_US to language list
Config time: 0.007
Yum version: 3.4.3
rpmdb time: 0.000
Setting up Package Sacks
pkgsack time: 0.010
Checking for virtual provide or file-provide for docker
Checking for installed virtual provide or file-provide for docker
No package docker available.
Error: Nothing to do