我正在使用Reachability类来监控几个iPhone应用程序中的网络连接和服务器可用性。我的AppDelegate中有以下代码:
// Observe the kNetworkReachabilityChangedNotification. When that notification is posted, the
// method "reachabilityChanged" will be called.
[[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(reach
我最近买了一台惠普MicroServer N54L和一张惠普远程访问卡。通过KVM查看器连接到服务器,用于BIOS设置等可以正常工作,但是当涉及到安装Ubuntu14.04时。自动网络身份验证失败,告诉我:
Your network is probably not using the DHCP protocoll. Alternatively, the DHCP server may be slow or some network hardware is not working properly" (it offers to retry or retry with specific D