[root@rac1 ~]# groupadd -g 501 oinstall

[root@rac1 ~]# groupadd -g 502 dba

[root@rac1 ~]# groupadd -g 503 asmadmin

[root@rac1 ~]# groupadd -g 504 asmdba

[root@rac1 ~]# groupadd -g 505 asmoper

[root@rac1 ~]# useradd -u 501 -g oinstall -G asmadmin,asmdba,asmoper grid

[root@rac1 ~]# useradd -u 502 -g oinstall -G dba,asmdba oracle
passwd oracle
passwd grid             ----配置密码

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::         localhost localhost.localdomain localhost6 localhost6.localdomain6

192.168.0.171 rac1

192.168.0.177 rac2

192.168.0.173 rac1vip

192.168.0.174 rac2vip

172.168.0.171 rac1prv

172.168.0.177 rac2prv

192.168.0.176 dbscan

mv /etc/ntp.conf /etc/ntp.conf.bak

vim /etc/sysctl.conf

kernel.shmmni =

kernel.sem =

fs.file-max =

net.ipv4.ip_local_port_range =

net.core.rmem_default =

net.core.rmem_max =

net.core.wmem_default =

net.core.wmem_max = 

sysctl -p   立即生效

/etc/security/limits.conf

grid soft nproc

grid hard nproc

grid soft nofile

grid hard nofile

oracle soft nproc

oracle hard nproc

oracle soft nofile

oracle hard nofile 

if [ $USER = "oracle" ] || [ $USER = "grid" ]; then

　　if [ $SHELL = "/bin/ksh" ]; then

　　　　ulimit -p

　　　　ulimit -n

　　else

　　　　ulimit -u  -n

　　fi

　umask

fi

 /etc/pam.d/login

session required pam_limits.so

[root@rac1 ~]# mkdir -p /oracle/app/oraInventory

[root@rac1 ~]# chown -R grid:oinstall /oracle/app/oraInventory

[root@rac1 ~]#  chmod -R 775 /oracle/app/oraInventory

[root@rac1 ~]# mkdir -p /oracle/11.2.0/grid/crs/

[root@rac1 ~]# chown -R grid:oinstall /oracle/11.2.0/grid

[root@rac1 ~]#  chmod -R 775 /oracle/11.2.0/grid

[root@rac1 ~]# cd /oracle/11.2.0

[root@rac1 11.2.]# mkdir 11.2.0

[root@rac1 11.2.]# chown -R grid:oinstall 11.2.0

[root@rac1 11.2.]# chmod -R 775 11.2.0

[root@rac1 11.2.]# mkdir -p /oracle/app/oracle

[root@rac1 11.2.]# chown -R oracle:oinstall /oracle/app/oracle

[root@rac1 11.2.]# chmod -R 775 /oracle/app/oracle

[root@rac1 11.2.]# mkdir -p /oracle/app/oracle/product/11.2.0/db_1

[root@rac1 11.2.]# chown -R oracle:oinstall /oracle/app/oracle/product/11.2.0/db_1

[root@rac1 11.2.]# chmod -R 775 /oracle/app/oracle/product/11.2.0/db_1

systemctl stop firewalld.service

systemctl disable firewalld.service

systemctl status firewalld.service

rpm -q --qf '%{NAME}-%{VERSION}-%{RELEASE} (%{ARCH})\n' binutils \

compat-libstdc++- \

elfutils-libelf \

elfutils-libelf-devel \

gcc \

gcc-c++ \

glibc \

glibc-common \

glibc-devel \

glibc-headers \

ksh \

libaio \

libaio-devel \

libgcc \

libstdc++ \

libstdc++-devel \

make \

sysstat \

unixODBC \

unixODBC-devel

没有的使用

yum -y install ***  (什么没有写什么)