How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)

The correct answer is C. sysctl kernel.shmmax=2147483648 D. echo 2147483648 > /proc/sys/kernel/shmmax. You've hit your weekly limit · resets 5am (America/New_York)

202 Linux Kernel

Question

How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)

Options

AEdit /etc/shmmax and set the parameter to 2147483648.
Bsysctl shmmax=2147483648
Csysctl kernel.shmmax=2147483648
Decho 2147483648 > /proc/sys/kernel/shmmax
Eexport kernel.shmmax=2147483648

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(30 responses)

A
20% (6)
B
7% (2)
C
70% (21)
E
3% (1)

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Topics

#shmmax#sysctl#kernel parameters#/proc/sys/kernel

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