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PlanetLab creates a 'more advanced sudo'

Jun 22, 2011, 23:01 (0 Talkback[s])
(Other stories by Joab Jackson)


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"Sudo is a widely used Unix and Linux command line-based tool that can restrict what operations a user can perform on a computer. Typically it is used by system administrators to grant users elevated privileges to some advanced level of functionality on a computer without granting them absolute, 'root' privileges for the machine. Also, as an alternative to logging in as root, sudo helps administrators themselves be more cognizant of undertaking potentially harmful actions.

"Vsys is similar to sudo, except it offers finer-grained access to system resources. 'Users sometimes make demands for features and resources not directly supported by the default security model,' Bhatia said. 'They might want files they don't have visibility into, or they might want to run commands you wouldn't allow ordinary users to run.'"

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