[root@a64 /]# yum update bind
Загружены модули: fastestmirror
Loading mirror speeds from cached hostfile
* base: centos-mirror.rbc.ru
* epel: mirror.logol.ru
* extras: mirror.corbina.net
* updates: centos-mirror.rbc.ru
No packages marked for update

[root@a64 /]# cat /etc/redhat-release 
CentOS Linux release 7.1.1503 (Core) 

[root@a64 /]# named -v
BIND 9.9.4-RedHat-9.9.4-18.el7_1.3 (Extended Support Version)

[root@a64 /]# uname -a
Linux a64.fvds.ru 2.6.32-042stab108.2 #1 SMP Tue May 12 18:07:50 MSK 2015 x86_64 x86_64 x86_64 GNU/Linux

[root@a64 /]# yum repolist
Загружены модули: fastestmirror
Loading mirror speeds from cached hostfile
 * base: centos-mirror.rbc.ru
 * epel: mirror.logol.ru
 * extras: centos-mirror.rbc.ru
 * updates: mirror.logol.ru
Идентификатор репозитория репозиторий                    состояние
base/7/x86_64             CentOS-7 - Base                8 652
epel/x86_64               Extra Packages for Enterprise  8 436
extras/7/x86_64           CentOS-7 - Extras                179
ispsystem-base/7/x86_64   ispsystem-base                    47
ispsystem-beta/7/x86_64   ispsystem-beta                 4 239
updates/7/x86_64          CentOS-7 - Updates             1 200
vz-base                   vz-base                            1
vz-updates                vz-updates                         0
repolist: 22 754

[root@a64 /]# yum clean all
Загружены модули: fastestmirror
Сброс источников:base epel extras ispsystem-base ispsystem-beta
               : updates vz-base vz-updates
Cleaning up everything
Cleaning up list of fastest mirrors

[root@a64 /]# yum update
Загружены модули: fastestmirror
base                                       | 3.6 kB     00:00     
epel/x86_64/metalink                       |  19 kB     00:00     
epel                                       | 4.4 kB     00:00     
extras                                     | 3.4 kB     00:00     
ispsystem-base                             |  951 B     00:00     
ispsystem-beta                             |  951 B     00:00     
updates                                    | 3.4 kB     00:00     
vz-base                                    |  951 B     00:00     
vz-updates                                 |  951 B     00:00     
(1/6): base/7/x86_64/group_gz                | 154 kB   00:00     
(2/6): epel/x86_64/group_gz                  | 169 kB   00:00     
(3/6): extras/7/x86_64/primary_db            |  74 kB   00:00     
(4/6): updates/7/x86_64/primary_db           | 3.2 MB   00:00     
(5/6): base/7/x86_64/primary_db              | 5.1 MB   00:01     
(6/6): epel/x86_64/primary_db                | 3.7 MB   00:01     
(1/6): epel/x86_64/updateinfo                | 455 kB   00:00     
(2/6): ispsystem-base/7/x86_64/primary       |  11 kB   00:00     
(3/6): epel/x86_64/pkgtags                   | 1.6 MB   00:00     
(4/6): ispsystem-beta/7/x86_64/primary       | 527 kB   00:00     
(5/6): vz-base/primary                       |  723 B   00:00     
(6/6): vz-updates/primary                    |  157 B   00:00     
Determining fastest mirrors
 * base: centos-mirror.rbc.ru
 * epel: mirror.logol.ru
 * extras: centos-mirror.rbc.ru
 * updates: mirror.logol.ru
ispsystem-base                                              47/47
ispsystem-beta                                          4239/4239
vz-base                                                       1/1
No packages marked for update

[root@a64 /]# yum-config-manager --enable cr
-bash: yum-config-manager: команда не найдена