cat >> /etc/sysctl.conf << EOF
kernel.shmall = 2097152
kernel.shmmax = 536870912
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 658576
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default = 262144
net.core.wmem_default = 262144
net.core.rmem_max = 1048536
net.core.wmem_max = 1048536
EOF

/sbin/sysctl -p 실행

cat >> /etc/security/limits.conf << EOF
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
EOF


oracle 계정  .bash_profile 설정

export ORACLE_BASE=/oracle
export ORACLE_HOME=$ORACLE_BASE
export ORACLE_SID=orcl
export LD_LIBRARY_PATH=$ORACLE_HOME/lib
export PATH=$PATH:$ORACLE_HOME/bin
export NLS_LANG=AMERICAN_AMERICA.KO16KSC5601
export ORACLE_OWNER=oracle