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subscription-manager コマンドが "Unable to verify server's identity: tlsv1 alert unknown ca" のエラーメッセージで失敗する

Solution Verified - Updated -

Issue

  • subscription-manager が次のエラーメッセージで失敗します。

    [root@example ~]# subscription-manager list --available 
    Unable to verify server's identity: tlsv1 alert unknown ca
    
  • /var/log/rhsm/rhsm.log にエラーが表示されます。

    2015-03-27 19:16:20,927 [DEBUG] subscription-manager @connection.py:469 - Making request: PUT /rhsm/consumers/3415b3fe-c201-4433-abdc-d1518b3c607f
    2015-03-27 19:16:20,946 [ERROR] subscription-manager @cache.py:150 - Error updating system data on the server
    2015-03-27 19:16:20,946 [ERROR] subscription-manager @cache.py:151 - tlsv1 alert unknown ca
    
  • サードパーティーの SSL/CA 証明書を使用する場合、subscription-manager は登録中に tlsv1 エラーを返します。

    # subscription-manager register --org="xxxx" --activationkey="xxxxxxxxxx" --force
    The system has been registered with ID: 
    Unable to verify server's identity: tlsv1 alert unknown ca
    
  • yum を使用すると、同じエラーが表示される場合があります。

    # yum check-update
    Loaded plugins: package_upload, product-id, search-disabled-repos,
    subscription-manager
    *tlsv1 alert unknown ca*
    

Environment

  • Red Hat Satellite 6
  • Red Hat Subscription Manager または Yum

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