昨天用同事安裝的一個RedHat9+Oracle9.2做測試機，oracle用戶使用正常，用useradd guest新增一個用戶guest，把oracle用戶下的.bashrc拷到guest下，可是連不上oracle，出錯如下：$ sqlplus scott/tiger SQL*Plus: Release 9.2.0.1.0 - PRodUCtion on 萫t Svi 26 10:50:25 2005Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.ERROR: ORA-01034: ORACLE not available ORA-27121: unable to determine size of shared memory segment linux Error: 13: Permission denied
