在yum install 安裝軟件的過程中，報如下錯誤：
Transaction check error:
file /usr/bin/docker from install of docker-ce-17.12.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.12.6-71.git3e8e77d.el7.centos.1.x86_64
file /usr/bin/docker-containerd from install of docker-ce-17.12.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.12.6-71.git3e8e77d.el7.centos.1.x86_64
file /usr/bin/docker-containerd-shim from install of docker-ce-17.12.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.12.6-71.git3e8e77d.el7.centos.1.x86_64
file /usr/bin/dockerd from install of docker-ce-17.12.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.12.6-71.git3e8e77d.el7.centos.1.x86_64
Error Summary
在安裝的過程中，說明和着色的軟件衝突，需要卸載上面的軟件包，然後重新安裝。