Centos 6 Oracle 11G 超详细安装
Desktop Environment is not neccessary for Server usage, though. But Sometimes installation or using an application requires Desktop Environment, then build Desktop Environment as follwos. [root@dlp ~]#yum -y groupinstall X Window System [r
Desktop Environment is not neccessary for Server usage, though. But Sometimes installation or using an application requires Desktop Environment, then build Desktop Environment as follwos.[root@dlp ~]#yum -y groupinstall "X Window System"
[root@dlp ~]#yum -y groupinstall "Desktop"
Input a command like below after finishing installation of new packages. |
[2] | Install some packages first. |
[3] | Edit Kernel parameters. |
[root@db01 ~]#vi /etc/sysctl.conf
# comment out
#
net.bridge.bridge-nf-call-ip6tables = 0 # net.bridge.bridge-nf-call-iptables = 0 # net.bridge.bridge-nf-call-arptables = 0 # add follows to the end net.ipv4.ip_local_port_range = 9000 65500 fs.file-max = 6815744 kernel.shmall = 10523004 kernel.shmmax = 6465333657 kernel.shmmni = 4096 kernel.sem = 250 32000 100 128 net.core.rmem_default=262144 net.core.wmem_default=262144 net.core.rmem_max=4194304 net.core.wmem_max=1048576 fs.aio-max-nr = 1048576 [root@db01 ~]# sysctl -pnet.ipv4.ip_forward = 0 net.ipv4.conf.default.rp_filter = 1 net.ipv4.conf.default.accept_source_route = 0 kernel.sysrq = 0 kernel.core_uses_pid = 1 net.ipv4.tcp_syncookies = 1 net.ipv4.ip_local_port_range = 9000 65500 fs.file-max = 65536 kernel.shmall = 10523004 kernel.shmmax = 6465333657 kernel.shmmni = 4096 kernel.sem = 250 32000 100 128 net.core.rmem_default = 262144 net.core.wmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_max = 1048576 fs.aio-max-nr = 1048576 |
[4] | Create user and groups for Oracle Database. |
[root@db01 ~]#
groupadd -g 200 oinstall
[root@db01 ~]# groupadd -g 201 dba [root@db01 ~]# useradd -u 440 -g oinstall -G dba -d /usr/oracle oracle [root@db01 ~]# passwd oracle Changing password for user oracle. New password: Retype new password: passwd: all authentication tokens updated successfully. [root@db01 ~]#vi /etc/pam.d/login # near line 14: add session required pam_selinux.so open session required pam_namespace.so 登录后复制 session required pam_limits.so 登录后复制 session optional pam_keyinit.so force revoke session include system-auth -session optional pam_ck_connector.so 登录后复制 # add follows to the end oracle soft nproc 2047 oracle hard nproc 16384 oracle soft nofile 1024 oracle hard nofile 65536 [root@db01 ~]# vi /etc/profile # add follows to the end if [ $USER = "oracle" ]; then if [ $SHELL = "/bin/ksh" ]; then ulimit -p 16384 ulimit -n 65536 else ulimit -u 16384 -n 65536 fi fi |
[5] | Switch to a user "Oracle" and configure some settings. |
[oracle@db01 ~]$ chmod 755 /usr/oracle
[oracle@db01 ~]$mkdir /usr/oracle/app
[oracle@db01 ~]$chmod 775 /usr/oracle/app
[oracle@db01 ~]$mkdir /usr/oracle/oradata
[oracle@db01 ~]$chmod 775 /usr/oracle/oradata
[oracle@db01 ~]$vi ~/.bash_profile # add follows to the end
umask 022
export ORACLE_BASE=/usr/oracle/app # create a temporary directory for installation
[oracle@db01 ~]$mkdir tmp
Install Oracle Database 11g R2. | |
[1] | Login and work with "oracle" user which you create in previous section. |
![]() |
[2] |
Download Oracle Databse 11g R2 for Linux and upload on your server.
http://www.oracle.com/technology/software/products/database/index.html |
[3] | After uploading Oracle files, move to a tmp directory and run an Installer like follows. |
[oracle@db01 ~]$
cd tmp
[oracle@db01 tmp]$ unzip linux.x64_11gR2_database_1of2.zip [oracle@db01 tmp]$ unzip linux.x64_11gR2_database_2of2.zip [oracle@db01 tmp]$ ./database/runInstaller |
[4] | Oracle Installer starts like follows. First, Set your email address and password for receiving some infomation from Oracle like security issues and so on. |
![]() |
[5] | On this example, Select "Install database software only". |
![]() |
[6] | On this example, Select "Single Instance Database ***". |
![]() |
[7] | Select your language. |
![]() |
[8] | Select which edition you install. |
![]() |
[9] | Specify the base directory and files for Oracle. On this example, keep default and proceed to next. |
![]() |
[10] | Specify the installed directory. On this example, keep default and proceed to next. |
![]() |
[11] | Specify the priviledged group. On this example, keep default and proceed to next. |
![]() |
[12] | Checking settings runs automatically for requirements of installing Oracle. Generally, some packages requirements failed like follows, but it's noplobmen because most of them are higher version packages than requirements. Ignore them if the result is the same to the follows. (For only "pdksh", it's not a big ploblem if it is not installed. ) |
![]() |
[13] | The summary is shown for configuration. Click "Finish" if it's OK all. |
![]() |
[14] | Installation starts. |
![]() |
[15] | Following screen is shown, then open a terminal and execute follwong commands with the root user. |
![]() |
[root@db01 ~]# /usr/oracle/oraInventory/orainstRoot.shChanging permissions of /usr/oracle/oraInventory. Adding read,write permissions for group. Removing read,write,execute permissions for world. Changing groupname of /usr/oracle/oraInventory to oinstall. The execution of the script is complete. [root@db01 ~]# 登录后复制 Running Oracle 11g root.sh script... The following environment variables are set as: ORACLE_OWNER= oracle ORACLE_HOME= /usr/oracle/app/product/11.2.0/dbhome_1 Enter the full pathname of the local bin directory: [/usr/local/bin]: # Enter Copying dbhome to /usr/local/bin ... Copying oraenv to /usr/local/bin ... Copying coraenv to /usr/local/bin ... Creating /etc/oratab file... Entries will be added to the /etc/oratab file as needed by Database Configuration Assistant when a database is created Finished running generic part of root.sh script. Now product-specific root actions will be performed. Finished product-specific root actions. |
[16] | Installation completed. Click "Close" button. |
![]() |
[17] | Configure some settings for Oracle user. |
export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1
export PATH=$PATH:$ORACLE_HOME/bin [oracle@db01 ~]$ source ~/.bash_profile
[oracle@db01 ~]$rm -rf tmp
Create Oracle Net Listener that is a network service on Oracle. | |
[1]Login with the "oracle" user and input a command "netca" like follows. |
[oracle@db01 ~]$ netca |
[2] | Check a box "Listener Configuration" and go next. |
![]() |
[3] | Go next. |
![]() |
[4] | Set Listner's name. Input any one you like. |
![]() |
[5] | This example goes next with keeping default "TCP". |
![]() |
[6] | Set a port. This example goes next with keeping default. |
![]() |
[7] | If you'd like to create more Listeners, Answer "Yes". This example selects "No". |
![]() |
[8] | Configuration completed. |
![]() |
[9] | Click "Finish" to quit. After finishing, Confirm the status by "netstat" comand. Then you'll see "tnslsnr" listens 1521 port. |

Create a Database. | |
[1] | Login with the "oracle" user and input a command "dbca" like follows. |
[oracle@db01 ~]$ dbca |
[2] | Click "Next" to proceed. |
![]() |
[3] | Select "Create Database" and go next. |
![]() |
[4] | This example selects "General Purpose ***" and go next. |
![]() |
[5] | Set Grobal Database name and SID like follows. Input any one you like. |
![]() |
[6] | This example goes next with keeping default. |
![]() |
[7] | Set passwords. Please set a password for a user for security. |
![]() |
[8] | This example goes next with keeping default "File System". |
![]() |
[9] | Configure recovery settings. If you'd like to change it, Set it. |
![]() |
[10] | Configure sample schema and scripts. If you'd like to add them, Set them. |
![]() |
[11] | Configure memory settings. After setting, go to next tab. |
![]() |
[12] | Specify max processes. |
![]() |
[13] | Set Character setting. |
![]() |
[14] | Select a connection mode. If your server does not have many clients, Select Dedicated server mode. If your server has many clients, Select Shared server mode. |
![]() |
[15] | Confirm parameters for Storage settings. If you'd like to change, set them. |
![]() |
[16] | Configuration completed. Click "Finish" button to finish. |
![]() |
[17] | Confirm settings and Click "OK" if all are OK. |
![]() |
[18] | Database creation starts. |
![]() |
[19] | After completing to create a database, Click "Exit" to finish. |
![]() |
[20] | Access to the URL that is shown on finished screen above with web browser, then follwing screen is shown. Input a user name and password that you configured on the section [6]. |
![]() |
[21] | Just logined. It's possible to manage the database on here. |

Create an init Script to make Oracle start automatically on system booting. | |
[1] | Set environment variables for "oracle" user like follows. |
[oracle@db01 ~]$vi /etc/oratab
# end line: change
db01:/usr/oracle/app/product/11.2.0/dbhome_1: Y [oracle@db01 ~]$vi ~/.bash_profile # add follows to the end export ORACLE_SID=db01 |
[2] | Create an init Script with the root user. |
#!/bin/bash # oracle: Start/Stop Oracle Database 11g R2 # # chkconfig: 345 90 10 # description: The Oracle Database is an Object-Relational Database Management System. # # processname: oracle . /etc/rc.d/init.d/functions LOCKFILE=/var/lock/subsys/oracle ORACLE_HOME=/usr/oracle/app/product/11.2.0/dbhome_1 ORACLE_USER=oracle case "$1" in 'start') if [ -f $LOCKFILE ]; then echo $0 already running. exit 1 fi echo -n $"Starting Oracle Database:" su - $ORACLE_USER -c "$ORACLE_HOME/bin/lsnrctl start" su - $ORACLE_USER -c "$ORACLE_HOME/bin/dbstart $ORACLE_HOME" su - $ORACLE_USER -c "$ORACLE_HOME/bin/emctl start dbconsole" touch $LOCKFILE ;; 'stop') if [ ! -f $LOCKFILE ]; then echo $0 already stopping. exit 1 fi echo -n $"Stopping Oracle Database:" su - $ORACLE_USER -c "$ORACLE_HOME/bin/lsnrctl stop" su - $ORACLE_USER -c "$ORACLE_HOME/bin/dbshut" su - $ORACLE_USER -c "$ORACLE_HOME/bin/emctl stop dbconsole" rm -f $LOCKFILE ;; 'restart') $0 stop $0 start ;; 'status') if [ -f $LOCKFILE ]; then echo $0 started. else echo $0 stopped. fi ;; *) echo "Usage: $0 [start|stop|status]" exit 1 esac exit 0
[root@db01 ~]#chkconfig --add oracle
[root@db01 ~]#chkconfig oracle on

热AI工具

Undresser.AI Undress
人工智能驱动的应用程序,用于创建逼真的裸体照片

AI Clothes Remover
用于从照片中去除衣服的在线人工智能工具。

Undress AI Tool
免费脱衣服图片

Clothoff.io
AI脱衣机

Video Face Swap
使用我们完全免费的人工智能换脸工具轻松在任何视频中换脸!

热门文章

热工具

记事本++7.3.1
好用且免费的代码编辑器

SublimeText3汉化版
中文版,非常好用

禅工作室 13.0.1
功能强大的PHP集成开发环境

Dreamweaver CS6
视觉化网页开发工具

SublimeText3 Mac版
神级代码编辑软件(SublimeText3)

CentOS 关机命令为 shutdown,语法为 shutdown [选项] 时间 [信息]。选项包括:-h 立即停止系统;-P 关机后关电源;-r 重新启动;-t 等待时间。时间可指定为立即 (now)、分钟数 ( minutes) 或特定时间 (hh:mm)。可添加信息在系统消息中显示。

提升CentOS上HDFS性能:全方位优化指南优化CentOS上的HDFS(Hadoop分布式文件系统)需要综合考虑硬件、系统配置和网络设置等多个方面。本文提供一系列优化策略,助您提升HDFS性能。一、硬件升级与选型资源扩容:尽可能增加服务器的CPU、内存和存储容量。高性能硬件:采用高性能网卡和交换机,提升网络吞吐量。二、系统配置精调内核参数调整:修改/etc/sysctl.conf文件,优化TCP连接数、文件句柄数和内存管理等内核参数。例如,调整TCP连接状态和缓冲区大小

CentOS 和 Ubuntu 的关键差异在于:起源(CentOS 源自 Red Hat,面向企业;Ubuntu 源自 Debian,面向个人)、包管理(CentOS 使用 yum,注重稳定;Ubuntu 使用 apt,更新频率高)、支持周期(CentOS 提供 10 年支持,Ubuntu 提供 5 年 LTS 支持)、社区支持(CentOS 侧重稳定,Ubuntu 提供广泛教程和文档)、用途(CentOS 偏向服务器,Ubuntu 适用于服务器和桌面),其他差异包括安装精简度(CentOS 精

CentOS 中配置 IP 地址的步骤:查看当前网络配置:ip addr编辑网络配置文件:sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0更改 IP 地址:编辑 IPADDR= 行更改子网掩码和网关(可选):编辑 NETMASK= 和 GATEWAY= 行重启网络服务:sudo systemctl restart network验证 IP 地址:ip addr

CentOS下Hadoop分布式文件系统(HDFS)配置常见问题及解决方案在CentOS系统上搭建HadoopHDFS集群时,一些常见的错误配置可能导致性能下降、数据丢失甚至集群无法启动。本文总结了这些常见问题及其解决方法,帮助您避免这些陷阱,确保HDFS集群的稳定性和高效运行。机架感知配置错误:问题:未正确配置机架感知信息,导致数据块副本分布不均,增加网络负载。解决方案:仔细检查hdfs-site.xml文件中的机架感知配置,并使用hdfsdfsadmin-printTopo

在CentOS系统上搭建Hadoop分布式文件系统(HDFS)需要多个步骤,本文提供一个简要的配置指南。一、前期准备安装JDK:在所有节点上安装JavaDevelopmentKit(JDK),版本需与Hadoop兼容。可从Oracle官网下载安装包。环境变量配置:编辑/etc/profile文件,设置Java和Hadoop的环境变量,使系统能够找到JDK和Hadoop的安装路径。二、安全配置:SSH免密登录生成SSH密钥:在每个节点上使用ssh-keygen命令

优雅安装 MySQL 的关键在于添加 MySQL 官方仓库。具体步骤如下:下载 MySQL 官方 GPG 密钥,防止钓鱼攻击。添加 MySQL 仓库文件:rpm -Uvh https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm更新 yum 仓库缓存:yum update安装 MySQL:yum install mysql-server启动 MySQL 服务:systemctl start mysqld设置开机自启动

Oracle不仅是数据库公司,还是云计算和ERP系统的领导者。1.Oracle提供从数据库到云服务和ERP系统的全面解决方案。2.OracleCloud挑战AWS和Azure,提供IaaS、PaaS和SaaS服务。3.Oracle的ERP系统如E-BusinessSuite和FusionApplications帮助企业优化运营。
