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ORA-27121: unable to determine size of shared memory segment

Written By 1 on Friday, September 28, 2012 | 3:54 AM


Installing Oracle 10G on Ubuntu this morning...
Got the following error:
Code:
ERROR:
 
ORA-01034: ORACLE not available
 
ORA-27121: unable to determine size of shared memory segment
 
Linux Error: 13: Permission denied
This is caused by Oracle installer not setting setuid on $ORACLE_HOME/bin/oracle. To fix do:
Code:
$ cd $ORACLE_HOME/bin
$ chmod 6751 oracle

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