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yum + 連線被拒絕

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yum + 連線被拒絕

我可以透過 yum 安裝 ntp rpm，如下所示，但在 yum 安裝之前，我得到如下失敗的行：

 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"

這是怎麼回事？

答案1

網域 linux.sys65dns.com 無效。如果這是來自鏡像列表，請嘗試yum clean all並重試。

答案2

故障排除步驟（假設這是您本機託管的儲存庫）：

  1. Ryum clean all並嘗試再次安裝ntp。出於測試目的，請嘗試安裝不同的軟體包。
  2. 如果上述方法失敗，請嘗試 ping 您的伺服器： ping linux02.sys65dns.com
  3. 如果出現上述情況，請嘗試在網頁瀏覽器中開啟它，檢查連接埠 80 是否運作正常，或者您也可以 telnet。
  4. 如果沒有，請檢查伺服器上的 apache 服務以及連接埠 80 是否開啟。您也可以檢查 ports.conf 以查看 apache 是否配置為在連接埠 80 或其他連接埠上運作。

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