RedHat Linux oracle9i normal start ~ ~ help facie wrong! ! Oracle installation completed and opened terminal in Oracle users : #sqlplus Name:#system #manager Pass : ORA-01034:ORACLE wrong message : not available ORA-27101:shared memory realm dose not exist Linux Error:No such file or directory RedHat Linux oracle9i normal start ~ ~ help facie wrong! ! ORACLE_SID ORACLE_HOME Environmental variables, continue to find ~ ~ RedHat Linux oracle9i normal start ~ ~ help facie wrong! ! Oracle whether startup, matching the listener and tnsnames it introduced the original sgl interface to re-enter RedHat Linux oracle9i normal start ~ ~ help facie wrong! ! Oracle but a |grep Charles $ps -ef $sqlplus Internal $startup Error : insufficient privileges $sqlplus / Nolog $connetc / As sysdba NLS error:ORA-12705:invralid or unknown parameter ralue specified. $connect Name-pass:system/manager@huiheng as sysdba Error ORA-12154:INS:could not resdve service name : Then I started listening $lsnrctl $start Return to the implementation of $connect Still the same mistakes [ Closed window ]