修改 resolv.conf

# mv /etc/resolv.conf /etc/resolv.conf.20180320

禁用 zeroconf

# vi /etc/sysconfig/network
NOZEROCONF=yes

创建用户组

groupadd -g 10000 oinstall
groupadd -g 10001 dba
groupadd -g 10002 oper

groupadd -g 10003 asmadmin
groupadd -g 10004 asmdba
groupadd -g 10005 asmoper

groupadd -g 10006 backupdba
groupadd -g 10007 dgdba
groupadd -g 10008 kmdba
groupadd -g 10009 racdba

创建用户

useradd -u 10000 -g oinstall -G dba,oper,backupdba,dgdba,kmdba,asmdba,racdba oracle
useradd -u 10001 -g oinstall -G dba,asmadmin,asmdba,asmoper,racdba grid


 id oracle
uid=10000(oracle) 
gid=10000(oinstall) 
groups=10000(oinstall),
       10001(dba),
       10002(oper),
       10004(asmdba),
       10006(backupdba),
       10007(dgdba),
       10008(kmdba),
       10009(racdba)
 id grid
uid=10001(grid) 
gid=10000(oinstall) 
groups=10000(oinstall),
       10001(dba),
       10003(asmadmin),
       10004(asmdba),
       10005(asmoper),
       10009(racdba)

passwd oracle
passwd grid

创建目录

mkdir -p /u01/app/gridbase/12.2.0/grid_1
mkdir -p /u01/app/grid/product/12.2.0/grid_1
mkdir -p /u01/app/oracle/product/12.2.0/db_1

chown -R grid:oinstall /u01
chown -R grid:oinstall /u01/app/gridbase
chown -R grid:oinstall /u01/app/grid

chown -R oracle:oinstall /u01/app/oracle

chmod -R 775 /u01/

grid 用户环境变量

vi /home/grid/.bash_profile

PS1="[`whoami`@`hostname`:"'$PWD]$'
umask 022

export ORACLE_BASE=/u01/app/gridbase/12.2.0/grid_1
export ORACLE_HOME=/u01/app/grid/product/12.2.0/grid_1
export ORACLE_SID=+ASM1
#export ORACLE_SID=+ASM2

export NLS_DATE_FORMAT='yyyy-mm-dd hh24:mi:ss'

export TNS_ADMIN=$ORACLE_HOME/network/admin
export LD_LIBRARY_PATH=$ORACLE_HOME/lib
export PATH=$ORACLE_HOME/bin:$PATH

export TEMP=/tmp
export TMP=/tmp
export TMPDIR=/tmp

oracle 用户环境变量

vi /home/oracle/.bash_profile

PS1="[`whoami`@`hostname`:"'$PWD]$'
umask 022

export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/12.2.0/db_1
export ORACLE_SID=rac01
#export ORACLE_SID=rac02
export TNS_ADMIN=/u01/app/grid/product/12.2.0/grid_1/network/admin
#export ORA_NLS10=$ORACLE_HOME/nls/data

export NLS_LANG=AMERICAN_AMERICA.AL32UTF8
export NLS_DATE_FORMAT='yyyy-mm-dd hh24:mi:ss'

export PATH=.:${PATH}:$HOME/bin:$ORACLE_HOME/bin
export PATH=${PATH}:/usr/bin:/bin:/usr/bin/X11:/usr/local/bin
export PATH=${PATH}:$ORACLE_BASE/common/oracle/bin

export LD_LIBRARY_PATH=$ORACLE_HOME/lib
export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:$ORACLE_HOME/oracm/lib
export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/lib:/usr/lib:/usr/local/lib

export CLASSPATH=$ORACLE_HOME/JRE
export CLASSPATH=${CLASSPATH}:$ORACLE_HOME/jlib
export CLASSPATH=${CLASSPATH}:$ORACLE_HOME/rdbms/jlib
export CLASSPATH=${CLASSPATH}:$ORACLE_HOME/network/jlib

export TEMP=/tmp
export TMP=/tmp
export TMPDIR=/tmp

修改资源限制