1.关闭防火墙
service iptables stop
chkconfig iptables off
2.关闭 selinux
vi /etc/selinux/config
SELINUX=disabled
3.安装依赖包
yum install bc binutils compat-libcap1 compat-libstdc++33 elfutils-libelf
elfutils-libelf-devel fontconfig-devel glibc glibc-devel ksh libaio
libaio-devel libX11 libXau libXi libXtst libXrender libXrender-devel
libgcc libstdc++ libstdc++-devel libxcb make smartmontools sysstat kmod*
4.创建 oracle 用户
groupadd oinstall
groupadd dba
useradd -g oinstall -G dba oracle
useradd -g asmadmin oracle
passwd oracle
5.修改内核参数
vim /etc/sysctl.conf
fs.file-max = 6815744
kernel.sem = 250 32000 100 128
kernel.shmmni = 4096
kernel.shmall = 1073741824
kernel.shmmax = 4398046511104
kernel.panic_on_oops = 1
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
net.ipv4.conf.all.rp_filter = 2
net.ipv4.conf.default.rp_filter = 2
fs.aio-max-nr = 1048576
net.ipv4.ip_local_port_range = 9000 65500
/sbin/sysctl -p
6.修改系统参数
编辑/etc/pam.d/login 添加如下内容:
vi /etc/pam.d/login
session required pam_limits.so
编辑 vi /etc/profile 添加如下内容: #系统环境变量
if [ /$USER = "oracle" ] ; then
if [ /$SHELL = "/bin/ksh" ]; then
ulimit -p 16384
ulimit -n 65536
else
ulimit -u 16384 -n 65536
fi
umask 022
fi
编辑/etc/security/limits.conf 添加如下内容:
vi /etc/security/limits.conf
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
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