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system config

I'm using RHEL and whenever I type the command lsnrctl; I get the following error:

lsnrctl: error while loading shared libraries: /u01/app/oracle/product/11.2.0/dbhome_1/lib/libclntsh.so.11.1:
cannot restore segment prot after reloc: Permission denied

How do I fix this problem?
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SSH System Bootup In Progress Please Wait Error and Solution

Q. I've Debian Linux server and whenever someone trying to ssh into this box, they get an error as follows and server closes the connection:

System bootup in progress -please wait

How do I fix this problem and allow ssh login?
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Red Hat / CentOS Linux Install Cluster Suite Software

Q. How do I install Cluster Suite software on CentOS Linux 5 IBM server for testing purpose?
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Where Does Linux Save Wireless Card Settings?

Q. I'd like to get more information about my wireless settings stored under CentOS / RHEL / Fedora Linux. Where Does Linux Save Wireless Card Settings?
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