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* On [[Debian]]-derived systems, install <tt>azure-cli</tt>
* On [[Debian]]-derived systems, install <tt>azure-cli</tt>
** <tt>az account list</tt> -- list subscription groups
** <tt>az account list</tt> -- list subscription groups
==Time==
Rather than using NTP with chrony or SNTP with systemd-timesyncd, use the HyperV-provided PTP source due the VMICTimeSync provider. Ensure the HyperV daemons are installed and enabled, and configure chrony thusly:
<pre>
makestep 1.0 -1
local stratum 2
refclock PHC /dev/ptp_hyperv poll 3 dpoll -2 offset 0
</pre>
The <tt>makestep</tt> parameter forces a hard sync if the clock differs too much from upstream (rather than exiting with error). The <tt>/dev/ptp_hyperv</tt> symlink ought be set up by udev.


==Networking==
==Networking==
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* [https://techcommunity.microsoft.com/t5/azure-compute-blog/accelerated-networking-on-hb-hc-hbv2-hbv3-and-ndv2/ba-p/2067965 Accelerated Networking on HB, HC, HBv2, HBv3, and NDv2] (mostly about [[InfiniBand]])
* [https://techcommunity.microsoft.com/t5/azure-compute-blog/accelerated-networking-on-hb-hc-hbv2-hbv3-and-ndv2/ba-p/2067965 Accelerated Networking on HB, HC, HBv2, HBv3, and NDv2] (mostly about [[InfiniBand]])
* [https://techcommunity.microsoft.com/t5/azure-high-performance-computing/performance-impact-of-enabling-accelerated-networking-on-hbv3/ba-p/2103451 Performance Impact of Enabling Accelerated Networking on HBv3, HBv2, and HC VMs]
* [https://techcommunity.microsoft.com/t5/azure-high-performance-computing/performance-impact-of-enabling-accelerated-networking-on-hbv3/ba-p/2103451 Performance Impact of Enabling Accelerated Networking on HBv3, HBv2, and HC VMs]
* [https://learn.microsoft.com/en-us/azure/virtual-network/virtual-networks-udr-overview Virtual network traffic routing]
* [https://learn.microsoft.com/en-us/azure/virtual-network/ip-services/ipv6-overview Overview of IPv6 for Azure]
* [https://learn.microsoft.com/en-us/azure/virtual-network/virtual-networks-faq Azure Virtual Networks FAQ]
* [https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/best-practices-for-running-linux-on-hyper-v Best Practices for Running Linux on Hyper-V]
* [https://learn.microsoft.com/en-us/azure/virtual-machines/linux/time-sync Time Sync for Linux VMs in Azure]