Answer
UTS namespace provides isolated hostnames for each container.
Quick Answer
Docker assigns each container its own UTS namespace — it gets its own hostname (defaults to the container ID) and its own domain name. You set a custom hostname with --hostname. This means the container thinks it's on its own machine with its own identity, regardless of the host's actual hostname.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ