How do I import variables and functions defined in lib.ksh script to another ksh script called setup.ksh under Linux / Unix like operating systems? How do I execute commands from a file in the current KSH shell?
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When I run ‘yum install package‘ or ‘yum update‘ commands the yum command works normally until Running Transaction Test and hangs until the yum process is killed manually using the kill command. How do I fix this problem under CentOS Linux 5.x AMD64 running on HP server?
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How do I find the version of a kernel module (*.ko files located in /lib/modules/… directory) in Linux server?
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How do I see filesystem status in Linux?
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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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When I run the following command at mysql> I get an error which read as follows:

mysql> use dbname;
mysql> show tables;
ERROR 1018 (HY000): Can’t read dir of ‘./dbname/’ (errno: 13)

How do I fix this problem under Debian Linux?
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