虚拟环境的另一个优点是可以执行服务器整合和基础设施缩减，从而降低成本。
Another advantage of the virtual environment is the ability to reduce costs by performing server consolidation and infrastructure reductions.
这种管理最好在各层内完成，本地管理在服务器上完成，还有更高级别的基础设施管理，以便提供虚拟环境的全面管理。
This management is best done in layers, considering local management at the server, as well as higher-level infrastructure management, providing the overall orchestration of the virtual environment.
Nginx是许多虚拟环境的首选Web服务器。
Nginx is the web server of choice for many virtual environments.
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