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228 - What is /proc/kcore?

None of the files in /proc are really there. They're all, "pretend," files made up by the kernel,
to give you information about the system and don't take up any hard disk space.

/proc/kcore is like an "alias" for the memory in your computer. Its size is the same as the amount of RAM you have,
and if you read it as a file, the kernel does memory reads.



030 - To show kernel parameters

For Oracle instration, You should check the kernel parameters by the following command, though Oracle
installer checks the values, before installation will proceed.

[root@myserver ]# /sbin/sysctl -a | grep 'sem|shm|file-max|ip_local'

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by Dr. Radut