Specifications

Kernel Parameter Requirements - Linux Installation
Chapter 5: System Requirements 45
Kernel Parameter Requirements - Linux Installation
To install and run the common components on Linux, the following kernel parameter
requirements must be met or exceeded:
msgmax = 32768
msgmnb = 65535
msgmni = 128
msgseg = 8192
semmni = 256
semmns = 512
semmsl = 100
shmmni = 512
shmmax = 1073741824
file-max = 8192
threads-max = 65262
To update the kernel parameter values
1. Issue the following commands depending on the kernel parameter values you want
to see:
Parameter
Command
msgmax, msgmnb, msgmni
/sbin/sysctl -a | grep msg
semmni, semmns, semmsl
/sbin/sysctl -a | grep sem
The results are similar to the following:
kernel.sem = <semmsl> <semmns>
<semopm> <semmni>
shmmax, shmmni
/sbin/sysctl -a | grep shm
file-max
/sbin/sysctl -a | grep file-max
threads-max
/sbin/sysctl -a | grep threads-max
The current kernel parameter values are displayed.