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一、安装oracle所需要的软件包（具体根据oracle官方文档）
可以使用
# 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 #/u01/app/oracle/product/11.2.0/dbhome_1/root.sh另外有需要云服务器可以了解下创新互联cdcxhl.cn，海内外云服务器15元起步，三天无理由+7*72小时售后在线，公司持有idc许可证，提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案，具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势，专为企业上云打造定制，能够满足用户丰富、多元化的应用场景需求。
