一、安装oracle所需要的软件包（具体根据oracle官方文档）
可以使用
计算
安全
数据库
网络和加速
企业服务
# yum -y install binutils* compat-lib* gcc-* glibc-* ksh libgcc-* libstdc++-* libaio-* make-* sysstat*进行安装。
二、创建用户组和用户（root）
# groupadd oinstall
# groupadd dba
# useradd -g oinstall -G dba oracle
# passwd oracle三、配置linux内核参数（root）
#vi /etc/sysctl.conf
...
fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2147483648
kernel.shmmax = 68719476736
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 = 1048586
...
#sysctl -p四、修改用户参数（root）
#vi /etc/security/limits.conf
...
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
...五、创建目录
mkdir -p /u01/app/
chown -R oracle:oinstall /u01/app/
chmod -R 775 /u01/app/
六、设置环境变量
vi .bash_profile
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=/u01/app/oracle/product/11.2/db_1
export PATH=$ORACLE_HOME/bin:$ORACLE_HOME/OPatch:$ORACLE_HOME/jdk/bin:$PATH
export ORACLE_SID=test
export LANG="en_US.UTF-8"
export NLS_LANG=american_AMERICA.UTF8
export NLS_DATE_FORMAT="YYYY-MM-DD HH24:MI:SS"七、解压缩
#unzip linux.x64_11gR2_database_1of2.zip
#unzip linux.x64_11gR2_database_2of2.zip八、切到oracle用户，安装,，会报错Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<<
#su - oracle
$cd /opt/database
$ ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 120 MB. Actual 83942 MB Passed
Checking swap space: must be greater than 150 MB. Actual 7967 MB Passed
Checking monitor: must be configured to display at least 256 colors
>>> Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<<
Some requirement checks failed. You must fulfill these requirements before
continuing with the installation,
Continue? (y/n) [n] n
User Selected: No
Exiting Oracle Universal Installer, log for this session can be found at /tmp/OraInstall2017-06-25_10-52-12PM/installActions2017-06-25_10-52-12PM.log
$ su -
Password:
root@dabian:~#
root@dabian:~# xhost +SI:localuser:oracle
localuser:oracle being added to access control list
root@dabian:~# su -oracle报错用上面命令解决，将oracle用户添加到 xhost
执行安装命令，进行安装，弹出图形界面
最后执行
# /u01/app/oraInventory/orainstRoot.sh
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