yum -y --downloadonly --downloaddir=/ruiy upggrde;

事务概要
========================================================================================================================================================================
安装   3 软件包 (+2 依赖软件包)
升级  18 软件包

总下载量：10 M
Background downloading packages, then exiting:
No Presto metadata available for centos-openstack-liberty
updates/7/x86_64/prestodelta                                                                                                                     | 401 kB  00:00:16
Delta RPMs reduced 78 k of updates to 31 k (60% saved)
(1/23): libtdb-1.3.6-2.el7_1.3.8-1.el7_2.x86_64.drpm                                                                                             |  12 kB  00:00:00
(2/23): libsmbclient-4.2.10-6.el7_2.x86_64.rpm                                                                                                   | 119 kB  00:00:00
(3/23): libtalloc-2.1.5-1.el7_2.x86_64.rpm                                                                                                       |  34 kB  00:00:00
(4/23): libwbclient-4.2.10-6.el7_2.x86_64.rpm                                                                                                    |  96 kB  00:00:00
(5/23): ipa-python-4.2.0-15.0.1.el7.centos.6.1.x86_64.rpm                                                                                        | 1.4 MB  00:00:01
(6/23): libldb-1.1.25-1.el7_2.x86_64.rpm                                                                                                         | 125 kB  00:00:01
(7/23): pytalloc-2.1.5-1.el7_2.x86_64.rpm                                                                                                        |  14 kB  00:00:00
(8/23): ipa-client-4.2.0-15.0.1.el7.centos.6.1.x86_64.rpm                                                                                        | 226 kB  00:00:06
(9/23): libtevent-0.9.25-1.el7_0.9.26-1.el7_2.x86_64.drpm                                                                                        |  18 kB  00:00:06
warning: /root/oppp/pyparsing-2.0.3-1.el7.noarch.rpm.11612.tmp: Header V4 RSA/SHA1 Signature, key ID 764429e6: NOKEY                  ] 222 kB/s | 2.2 MB  00:00:37 ETA
pyparsing-2.0.3-1.el7.noarch.rpm.11612.tmp 的公钥尚未安装
(10/23): pyparsing-2.0.3-1.el7.noarch.rpm                                                                                                        |  98 kB  00:00:06
(11/23): pyOpenSSL-0.15.1-1.el7.noarch.rpm                                                                                                       | 182 kB  00:00:06
(12/23): python-ipaddress-1.0.7-4.el7.noarch.rpm                                                                                                 |  31 kB  00:00:00
(13/23): python-idna-2.0-1.el7.noarch.rpm                                                                                                        |  92 kB  00:00:02
(14/23): python2-cffi-1.5.2-1.el7.x86_64.rpm                                                                                                     | 214 kB  00:00:04
(15/23): python2-cryptography-1.2.1-3.el7.x86_64.rpm                                                                                             | 461 kB  00:00:03
(16/23): samba-common-4.2.10-6.el7_2.noarch.rpm                                                                                                  | 272 kB  00:00:00
(17/23): samba-common-libs-4.2.10-6.el7_2.x86_64.rpm                                                                                             | 156 kB  00:00:00
(18/23): samba-client-4.2.10-6.el7_2.x86_64.rpm                                                                                                  | 496 kB  00:00:00
(19/23): samba-common-tools-4.2.10-6.el7_2.x86_64.rpm                                                                                            | 444 kB  00:00:00
(20/23): samba-libs-4.2.10-6.el7_2.x86_64.rpm                                                                                                    | 260 kB  00:00:00
(21/23): python2-pyasn1-0.1.9-6.el7.1.noarch.rpm                                                                                                 | 101 kB  00:00:00
(22/23): python-netaddr-0.7.18-1.el7.noarch.rpm                                                                                                  | 1.3 MB  00:00:10
(23/23): samba-client-libs-4.2.10-6.el7_2.x86_64.rpm                                                                                             | 4.3 MB  00:00:07
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
总计                                                                                                                                    412 kB/s |  10 MB  00:00:25
exiting because "Download Only" specified
[root@iio ~]# ls /enp/Packages/ | wc -l
1292