Oracle12c安装和配置1.1配置内核参数
添加如下行：
fs.file-max = 6815744
kernel.sem = 250 32000 100 128
kernel.shmmni = 4096
kernel.shmall = 1073741824
kernel.shmmax = 4398046511104
kernel.panic_on_oops = 1
f.all.rp_filter = 2
f.default.rp_filter = 2
fs.aio-max-nr = 1048576
net.ipv4.ip_local_port_range = 9000 65500 运行sysctl -p命令更改当前内核参数
1.2限制oracle用户资源使用
vi /etc/f
添加如下行：
oracle  soft  nofile    1024
oracle  hard  nofile    65536 oracle  soft  nproc    16384 oracle  hard  nproc    16384 oracle  soft  stack    10240 oracle  hard  stack    32768 oracle  hard  memlock    134217728 oracle  soft  memlock    134217728
1.3安装依赖软件包
yum install binutils -y
yum install compat-libcap1 -y
yum install compat-libstdc++-33 -y
yum install compat-libstdc++-33.i686 -y yum install glibc -y
yum install glibc.i686 -y
yum install glibc-devel -y
yum install glibc-devel.i686 -y
yum install ksh -y
yum install libaio -y
yum install libaio.i686 -y
yum install libaio-devel -y
yum install libaio-devel.i686 -y
yum install libX11 -y
yum install libX11.i686 -y
yum install libXau -y
yum install libXau.i686 -yoracle客户端卸载步骤
yum install libXi -y
yum install libXi.i686 -y
yum install libXtst -y
yum install libXtst.i686 -y
yum install libgcc -y
yum install libgcc.i686 -y
yum install libstdc++ -y
yum install libstdc++.i686 -y
yum install libstdc++-devel -y
yum install libstdc++-devel.i686 -y yum install libxcb -y
yum install libxcb.i686 -y
yum install make -y
yum install nfs-utils -y
yum install net-tools -y
yum install smartmontools -y
yum install sysstat -y
yum install unixODBC -y
yum install unixODBC-devel -y
1.4创建新组和新用户
groupadd -g 54321 oinstall
groupadd -g 54322 dba
groupadd -g 54323 oper
useradd -u 54321 -g oinstall -G dba,oper oracle
2附加设置
2.1为oracle用户设置密码
2.2修改设置SELINUX
vi /etc/selinux/config
## 将`SELINUX`修改为permissive
SELINUX=permissive
setenforce Permissive
2.3确保禁用防火墙
systemctl stop firewalld
systemctl disable firewalld
2.4创建Oracle安装目录
mkdir -p /usr/local/products/oracle12c
chown -R oracle:oinstall /usr/local
chmod -R 775 /usr/local/
2.5配置Oracle环境变量并验证
切换到新添加的oracle用户名下，在oracle用户下配置环境变量su oracle
vi .bash_profile
export TMP=/tmp
export TMPDIR=$TMP
export ORACLE_HOSTNAME=DEV-ORACLE-12C-164
export ORACLE_UNQNAME=orcl
export ORACLE_BASE=/usr/local/products
export ORACLE_HOME=$ORACLE_BASE/oracle12c
export ORACLE_SID=orcl
export PATH=/usr/sbin:/usr/local/bin:$PATH
export PATH=$ORACLE_HOME/bin:$PATH
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib export CLASSPATH=$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib

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