红帽全球峰会10.3. virt-who 不报告到 Satellite 服务器
如果 Satellite 服务器被配置为使用 rhsm.conf 中的代理服务器，virt-who 可能不会报告到 Satellite 服务器，而 virt-who 配置为不使用 /etc/sysconfig/virt-who 中的代理服务器。
Subscription Manager 会忽略 virt-who 设置。因此，virt-who 会尝试通过代理服务器连接到 Satellite 服务器，并失败。
要临时解决这个问题，请在 /etc/rhsm/rhsm.conf 文件中添加以下参数：
no_proxy = server.example.com
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