How do i disable a repo on redhat?

giraffelife

man yum-config-manager: http://lightnetics.nodebb.com/post/877
man yum: http://lightnetics.nodebb.com/post/828

List all repos

$ sudo yum repolist
Loaded plugins: amazon-id, rhui-lb, search-disabled-repos
repo id                                          repo name                                               status
docker-main-repo                                 Docker main Repository                                      45
epel/x86_64                                      Extra Packages for Enterprise Linux 7 - x86_64          10,304
puppetlabs-pc1/x86_64                            Puppet Labs PC1 Repository el 7 - x86_64                    76
rhui-REGION-client-config-server-7/x86_64        Red Hat Update Infrastructure 2.0 Client Configuration       6
rhui-REGION-rhel-server-releases/7Server/x86_64  Red Hat Enterprise Linux Server 7 (RPMs)                11,057
rhui-REGION-rhel-server-rh-common/7Server/x86_64 Red Hat Enterprise Linux Server 7 RH Common (RPMs)         196
repolist: 21,684

Disable the epel repo

$ sudo yum-config-manager --disable epel

Another repo list to show it is not visible when disabled

$ sudo yum repolist
Loaded plugins: amazon-id, rhui-lb, search-disabled-repos
repo id                                          repo name                                               status
docker-main-repo                                 Docker main Repository                                      45
puppetlabs-pc1/x86_64                            Puppet Labs PC1 Repository el 7 - x86_64                    76
rhui-REGION-client-config-server-7/x86_64        Red Hat Update Infrastructure 2.0 Client Configuration       6
rhui-REGION-rhel-server-releases/7Server/x86_64  Red Hat Enterprise Linux Server 7 (RPMs)                11,057
rhui-REGION-rhel-server-rh-common/7Server/x86_64 Red Hat Enterprise Linux Server 7 RH Common (RPMs)         196
repolist: 11,380