BigAdmins

Solaris 10 has introduced a lots of new features and one of them is to tune the kernel without rebooting the system. So that you can modify the kernel in a live production system. Many kernel parameters have been replaced by so called resource controls in Solaris 10. It is possible to change resource controls using the prctl command. All shared memory and semaphore settings are now handled via resource controls, so any entries regarding shared memory or semaphores (shm & sem) in /etc/system will be ignored. Before going into details let us check what is semaphore.

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