yum + connection refused

Question

I can install the ntp rpm as the following by yum but before yum installation I get the failed lines as the following:

 yum install ntp
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
http://linux02.sys65dns.com/DIR/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to linux02.sys65dns.com:80; Connection refused"
Trying other mirror.
http://linux02.sys65dns.com/DIR/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to linux02.sys65dns.com:80; Connection refused"
Trying other mirror.
http://linux02.sys65dns.com/DIR/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to linux02.sys65dns.com:80; Connection refused"
Trying other mirror.
http://linux02.sys65dns.com/DIR/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to linux02.sys65dns.com:80; Connection refused"
Trying other mirror.
http://linux02.sys65dns.com/DIR/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to linux02.sys65dns.com:80; Connection refused"
Trying other mirror.
http://linux02.sys65dns.com/DIR/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to linux02.sys65dns.com:80; Connection refused"
Trying other mirror.
http://linux02.sys65dns.com/DIR/centos7/repodata/repomd.xml: [Errno 14] curl#7 - "Failed connect to linux02.sys65dns.com:80; Connection refused"

what this happens ?

Answer 1

the domain linux.sys65dns.com isn't valid. if this if from a mirrorlist, try a yum clean all and try it again.