Install oracle11.2 under CentOS5.6

the
Preparation:
Modify startup items
/etc/inittab
the
rpm -qa | grep binutils
If not, install:
rpm -ivh *.rpm
www.2cto.com
create group, user
group add oinstall
group add dba
mkdir -p /u01
useradd -g oinstall -G dba -d /u01/oracle oracle
passwd oracle
chown -R oracle:oinstall /u01
the
Implement sqlplus memory
tar zxvf rlwrap-0.37.tar.gz
cd rlwrap-0.37
./configure && make install
the
edit profile file
vi.bash_profile
ORACLE_SID=orcl
ORACLE_BASE=/u01
ORACLE_HOME=$ORACLE_BASE/oracle
LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH
PATH=$ORACLE_HOME/bin:$PATH
DISPLAY=192.168.1.101:0.0 ###Local address
export ORACLE_SID ORACLE_BASE ORACLE_HOME LD_LIBRARY_PATH PATH DISPLAY
stty erase ^h
alias sqlplus=”rlwrap sqlplus”
alias rman=”rlwrap rman”
the
Save and exit oracle, then log in to take effect
Check the environment variable: www.2cto.com
env | grep ORA
Check package:
rpm -qa | grep binutils
rpm -ivh * –force –nodeps
the
vi /etc/security/limits.conf
oracle soft nproc 2047
oracle       hard   nproc 16384
oracle soft nofile 1024
oracle       hard   nofile 65536
oracle soft stack 10240
the
vi /etc/pam.d/login
session required pam_limits.so
the
vi /etc/sysctl.conf
fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 4294967295
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
Execute the following command to make it effective
sysctl -p
the
mkdir -p /u02/app/oracle
chown -R oracle:oinstall /u02/app/oracle
chmod -R 775 /u02/app/oracle
the
ORACLE_SID=orcl
ORACLE_BASE=/u02
ORACLE_HOME=/$ORACLE_BASE/oracle
LD_LIBRARY_PATH=$ORACLE_HOME/lib;$LD_LIBRARY_PATH
PATH=$ORACLE_HOME/bin;$path www.2cto.com
DISPLAY=192.168.59.129:0.0
export ORACLE_SID ORACLE_BASE ORACLE_HOME LD_LIBRARY_PATH PATH DISPLAY
the
stty erase ^h
alias sqlplus = “rlwrap sqlplus”
alias rman=”rlwrap rman”
the
Solve the error reported by sqlplus: ./sqlplus: error while loading shared libraries:
/u01/app/oracle/product/11.2.0/dbhome_1/lib/libclntsh.so.11.1: cannot
restore segment prot after reloc: Permission denied
root user login
Use the cd command to switch the current directory to /etc/selinux
Open the config file with vim
Find the SELINUX entry inside and set it to disabled
restart the system

the
the
Author jtchan