oracle install_guide
vi /etc/security/limits.conforacle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile1024
oracle hard nofile 65536
vi /etc/pam.d/login
session required /lib/security/pam_limits.so
session required pam_limits.so
vi /etc/sysctl.conf
net.ipv4.ip_forward = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.ipv4.tcp_syncookies = 1
# Disable netfilter on bridges.
#net.bridge.bridge-nf-call-ip6tables = 0
#net.bridge.bridge-nf-call-iptables = 0
#net.bridge.bridge-nf-call-arptables = 0
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
#kernel.shmall = 4294967296i
fs.file-max = 6815744
fs.aio-max-nr = 1048576
kernel.shmall = 2097152
#kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 4194304
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
sysctl –p
vi /etc/profile
if [ $USER = "oracle" ]; then
if [ $SHELL = "/bin/ksh" ]; then
ulimit -p 16384
ulimit -n 65536
else
ulimit -u 16384 -n 65536
fi
fi
groupadd oinstall
groupadd dba
useradd -g oinstall -g dba -m oracle
passwd oracle
mkdir /data/oracle/app
mkdir /data/oracle/app/oracle
mkdir /data/oracle/app/oradata
mkdir /data/oracle/app/oracle/product
chown -R oracle:oinstall /data/oracle
su – oracle
vi .bash_profile
umask 022
export ORACLE_BASE=/data/oracle/app
export ORACLE_HOME=$ORACLE_BASE/oracle/product/11.2.0/dbhome_1
export ORACLE_SID=orcl
export ORACLE_UNQNAME=$ORACLE_SID
export PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/usr/lib
source .bash_profile
cd /data/oracle11.2.0.3/database/
./runInstaller
按提示修改路径，以及最后的环境检查可跳过也可yum install软件包。
dbca
过程需注意添加sys dba账号时需选择高级，不然后期配置em会有一些奇奇怪怪的问题):
netca设置监听。
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