Display Kernel Parameter Values for Red-hat Linux (RHEL 9)

 

Command to see Kernel Parameter Values 

Parameter	Command
semmsl, semmns, semopm, and semmni	# /sbin/sysctl -a | grep sem This command displays the value of the semaphore parameters in the order listed.
shmall, shmmax, and shmmni	# /sbin/sysctl -a | grep shm This command displays the details of the shared memory segment sizes.
file-max	# /sbin/sysctl -a | grep file-max This command displays the maximum number of file handles.
ip_local_port_range	# /sbin/sysctl -a | grep ip_local_port_range This command displays a range of port numbers.
rmem_default	# /sbin/sysctl -a | grep rmem_default
rmem_max	# /sbin/sysctl -a | grep rmem_max
wmem_default	# /sbin/sysctl -a | grep wmem_default
wmem_max	# /sbin/sysctl -a | grep wmem_max
aio-max-nr	# /sbin/sysctl -a | grep aio-max-nr