Kernel Parameters for Installation of SAP on Redhat Linux 5 

Add the following lines to the "/etc/sysctl.conf" file.

kernel.shmall = 2097152

kernel.shmmax = 2147483648

kernel.shmmni = 4096

# semaphores: semmsl, semmns, semopm, semmni

kernel.sem = 250 32000 100 128

fs.file-max = 65536

net.ipv4.ip_local_port_range = 1024 65000

net.core.rmem_default=262144

net.core.rmem_max=262144

net.core.wmem_default=262144

net.core.wmem_max=262144