Emilua API Reference system Process credentials setresuid system.setresuid Synopsis local system = require "system" system.setresuid(ruid: integer, euid: integer, suid: integer) Description Sets the real UID, the effective UID, and the saved set-user-ID of the calling process. If one of the arguments equals -1, the corresponding value is not changed. Only the master VM is allowed to use this function. getresgid setresgid