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Oracle Database Error Solutions & DBA Knowledge Base

Welcome to Oracle Database Error Solutions, a professional technical knowledge base dedicated to helping Oracle Database Administrators, Oracle E-Business Suite administrators, developers, and IT professionals troubleshoot Oracle Database and Oracle Linux issues with confidence.

This website provides practical, real-world troubleshooting guides based on hands-on Oracle administration experience. You'll find detailed solutions for Oracle Database errors, RMAN backup and recovery, Data Guard, ASM, RAC, Oracle Linux administration, Oracle E-Business Suite (EBS), cloning, performance tuning, patching, installation, and day-to-day DBA tasks.

Whether you're resolving ORA-27101, ORA-28040, ORA-01555, ORA-12154, ORA-01017, or other Oracle errors, our step-by-step articles are designed to save you time and help you solve problems efficiently.

sqlplus: error while loading shared libraries: libclntsh.so.11.1

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sqlplus: error while loading shared libraries: cannot restore segment prot after reloc: Permission denied Applies to: Oracle Enterprise Linux 5.5 Database 11gR1 Description: I am using Oracle Enterprise Linux 5.5 and install Oracle Database 11gR1. After successfull installation of OS and Database when I try to login database it give me the following error: sqlplus / as sysdba sqlplus: error while loading shared libraries: /d01/app/oracle/product/11.2.0/dbhome_1/lib/libclntsh.so.11.1: cannot restore segment port after reloc: Permission denied Solution: Reason of the above error because of SELinux is running in ENFORCING mode, Oracle development has recommended the following workaround while they correct the problem. To check the mode execute the following command from root user: root> getenforce Enforcing Switch SELinux from the default “Enforcing” mode that it is running in, to the “Permissive” mode. root> setenforce 0 No...
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