显示所有仓库

[root@mypc01 soft]# yum repolist all
已加载插件：fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.163.com
 * epel: epel.01link.hk
 * extras: mirrors.ustc.edu.cn
 * updates: mirrors.ustc.edu.cn
源标识                                         源名称                                                                        状态
C7.0.1406-base/x86_64                          CentOS-7.0.1406 - Base                                                        禁用
C7.0.1406-centosplus/x86_64                    CentOS-7.0.1406 - CentOSPlus                                                  禁用
C7.0.1406-extras/x86_64                        CentOS-7.0.1406 - Extras                                                      禁用
C7.0.1406-fasttrack/x86_64                     CentOS-7.0.1406 - Fasttrack                                                   禁用
C7.0.1406-updates/x86_64                       CentOS-7.0.1406 - Updates                                                     禁用

显示所有可用仓库

[root@mypc01 soft]# yum repolist enabled
已加载插件：fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.163.com
 * epel: mirrors.tuna.tsinghua.edu.cn
 * extras: mirrors.ustc.edu.cn
 * updates: mirrors.ustc.edu.cn
源标识                                                  源名称                                                                     状态
base/7/x86_64                                           CentOS-7 - Base                                                            10,072
docker-ce-stable/x86_64                                 Docker CE Stable - x86_64                                                      95
*epel/x86_64                                            Extra Packages for Enterprise Linux 7 - x86_64                             13,494
extras/7/x86_64                                         CentOS-7 - Extras                                                             448
kubernetes                                              Kubernetes                                                                    624
mysql-connectors-community/x86_64                       MySQL Connectors Community                                                    185
mysql-tools-community/x86_64                            MySQL Tools Community                                                         123
mysql57-community/x86_64                                MySQL 5.7 Community Server                                                    484
openresty/7/x86_64                                      Official OpenResty Open Source Repository for CentOS                          256
updates/7/x86_64                                        CentOS-7 - Updates   

参考

yum命令大全——yum命令使用示例 - 简书
https://www.jianshu.com/p/07e199bcddb4