[vagrant@localhost ~]$ yum check-update
Loaded plugins: fastestmirror
base | 3.6 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
(1/4): extras/7/x86_64/primary_db | 54 kB 00:00
(2/4): base/7/x86_64/group_gz | 154 kB 00:00
(3/4): updates/7/x86_64/primary_db | 1.7 MB 00:01
(4/4): base/7/x86_64/primary_db | 5.1 MB 00:01
Determining fastest mirrors
* base: ftp.yz.yamagata-u.ac.jp
* extras: ftp.yz.yamagata-u.ac.jp
* updates: ftp.yz.yamagata-u.ac.jp
bind-libs-lite.x86_64 32:9.9.4-18.el7_1.1 updates
bind-license.noarch 32:9.9.4-18.el7_1.1 updates
binutils.x86_64 2.23.52.0.1-30.el7_1.2 updates
ca-certificates.noarch 2015.2.4-70.0.el7_1 updates
centos-logos.noarch 70.0.6-2.el7.centos updates
dnsmasq.x86_64 2.66-13.el7_1 updates
dracut.x86_64 033-241.el7_1.1 updates
dracut-config-rescue.x86_64 033-241.el7_1.1 updates
kernel.x86_64 3.10.0-229.4.2.el7 updates
kernel-devel.x86_64 3.10.0-229.4.2.el7 updates
kernel-headers.x86_64 3.10.0-229.4.2.el7 updates
kernel-tools.x86_64 3.10.0-229.4.2.el7 updates
kernel-tools-libs.x86_64 3.10.0-229.4.2.el7 updates
libblkid.x86_64 2.23.2-22.el7_1 updates
libgcrypt.x86_64 1.5.3-12.el7_1.1 updates
libgudev1.x86_64 208-20.el7_1.3 updates
libmount.x86_64 2.23.2-22.el7_1 updates
libpcap.x86_64 14:1.5.3-4.el7_1.2 updates
libuuid.x86_64 2.23.2-22.el7_1 updates
libxml2.x86_64 2.9.1-5.el7_1.2 updates
nspr.x86_64 4.10.8-1.el7_1 updates
nss.x86_64 3.18.0-2.2.el7_1 updates
nss-sysinit.x86_64 3.18.0-2.2.el7_1 updates
nss-tools.x86_64 3.18.0-2.2.el7_1 updates
nss-util.x86_64 3.18.0-1.el7_1 updates
openssh.x86_64 6.6.1p1-12.el7_1 updates
openssh-clients.x86_64 6.6.1p1-12.el7_1 updates
openssh-server.x86_64 6.6.1p1-12.el7_1 updates
selinux-policy.noarch 3.13.1-23.el7_1.7 updates
selinux-policy-targeted.noarch 3.13.1-23.el7_1.7 updates
systemd.x86_64 208-20.el7_1.3 updates
systemd-libs.x86_64 208-20.el7_1.3 updates
systemd-sysv.x86_64 208-20.el7_1.3 updates
tzdata.noarch 2015d-1.el7 updates
util-linux.x86_64 2.23.2-22.el7_1 updates