I AM GETTING THIS ERROR WHILE RUNNING BACKUP SCHEDULE IN LUNUX
IN backup.sh file contains
exp username/password file=<filename> tables=<tablename>
Subject: Cron <root@localhost> su - oracle /home/oracle/DIALYBACKUP/backup.sh
Content-Type: text/plain; charset=UTF-8
Auto-Submitted: auto-generated
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <HOME=/root>
X-Cron-Env: <PATH=/usr/bin:/bin>
X-Cron-Env: <LOGNAME=root>
X-Cron-Env: <USER=root>
standard in must be a tty
Export: Release 9.2.0.4.0 - Production on Thu Mar 16 15:15:01 2017
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
EXP-00056: ORACLE error 1034 encountered
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory
EXP-00005: all allowable logon attempts failed
EXP-00000: Export terminated unsuccessfully
--v2G9j1fg030947.1489657501/localhost.localdomain--