Virtualizing super-user privileges for multiple virtual processes
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United States of America Patent
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May 15, 2007
Grant Date -
N/A
app pub date -
Dec 22, 2000
filing date -
Dec 22, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Super-user privileges are virtualized by designating a virtual super-user for each of a plurality of virtual processes and intercepting system calls for which actual super-user privileges are required, which are nevertheless desirable for a virtual super-user to perform in the context of his or her own virtual process. In one embodiment, a computer operating system includes multiple virtual processes, such as virtual private servers. Each virtual process can be associated with one or more virtual super-users. When an actual process makes a system call that requires actual super-user privileges, the call is intercepted by a system call wrapper.
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