a customer had the problem that, due to outdated DNS Server settings, vCenter didn’t start all services. Connecting with a browser just show “No healthy upstreams” and the login to the VCSA GUI takes a long time.
Continue reading VMware: Change network configuration of a vCenter Appliance (VCSA )
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to get and the network access type and the network category use the powershell commandlets Continue reading Windows: Get, set or change the network access type or network category
Windows Event tracing also supports the capturing of network traffic which can be reed by Wireshark, Microsoft Network Monitor or the Microsoft Message Analyzer.
Continue reading Windows: Capture a network trace with builtin tools (netsh)
the linux kernel has the ability to send simple network packets from a shell.
Continue reading Linux: Send Networkpackets from a shell
newer Linux distribution do assign network names like enp0s13 or eno1 instead of the old style ethx names.
Continue reading Linux: Disable assignment of new styled names for network interfaces