sqlplus: error while loading shared libraries: libsqlplus.so: cannot open shared object file

 sqlplus / as sysdba

-bash: sqlplus: command not

Solution::::  switch to database OS user and perform bellow

export ORACLE_HOME=/u05/oracle/prod/db/tech_st/11.1.0/

$ export PATH=$ORACLE_HOME/bin:$PATH

$ export ORACLE_SID=PROD

sqlplus / as sysdba

sqlplus: error while loading shared libraries: libsqlplus.so: cannot open shared object file: No such file or directory

Solution::::   export LD_LIBRARY_PATH=$ORACLE_HOME/lib

sqlplus / as sysdba

SQL*Plus: Release 11.1.0.7.0 - Production on Tue May 27 06:28:05 2014

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