UTS_NAMESPACESSection: Linux Programmer's Manual (7)
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NAMEuts_namespaces - overview of Linux UTS namespaces
DESCRIPTIONUTS namespaces provide isolation of two system identifiers: the hostname and the NIS domain name. These identifiers are set using sethostname(2) and setdomainname(2), and can be retrieved using uname(2), gethostname(2), and getdomainname(2). Changes made to these identifiers are visible to all other processes in the same UTS namespace, but are not visible to processes in other UTS namespaces.
When a process creates a new UTS namespace using clone(2) or unshare(2) with the CLONE_NEWUTS flag, the hostname and domain of the new UTS namespace are copied from the corresponding values in the caller's UTS namespace.
SEE ALSOnsenter(1), unshare(1), clone(2), getdomainname(2), gethostname(2), setns(2), uname(2), unshare(2), namespaces(7)
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