[jonathan@localhost ~]$ su root　　#切換到rootPassword:[root@localhost]# groupadd oinstall　　#創建用戶組oinstall[root@localhost]# groupadd dba　　#創建用戶組dba[root@localhost]# useradd -g oinstall -g dba -m oracle　　#創建oracle用戶，并加入到oinstall和dba用戶組[root@localhost]# passwd oracle　　#設置用戶oracle的登陸密碼，不設置密碼，在CentOS的圖形登陸界面沒法登陸Changing password for user oracle.New password: 　　# 密碼BAD PASSWORD: The password is shorter than 8 charactersRetype new password: 　　# 確認密碼passwd: all authentication tokens updated successfully.[root@localhost]# id oracle # 查看新建的oracle用戶uid=1001(oracle) gid=1002(dba) groups=1002(dba)

[jonathan@localhost ~]$ su rootPassword:[root@localhost]# mkdir -p /data/oracle　　#oracle數據庫安裝目錄[root@localhost]# mkdir -p /data/oraInventory　　#oracle數據庫配置文件目錄[root@localhost]# mkdir -p /data/database　　#oracle數據庫軟件包解壓目錄[root@localhost]# cd /data[root@localhost data]# ls　　#創建完畢檢查一下（強迫癥）database oracle oraInventory[root@localhost data]# chown -R oracle:oinstall /data/oracle　　#設置目錄所有者為oinstall用戶組的oracle用戶[root@localhost data]# chown -R oracle:oinstall /data/oraInventory[root@localhost data]# chown -R oracle:oinstall /data/database[root@localhost data]#

[root@localhost data]# cat /proc/versionLinux version 3.10.0-327.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.3 20140911 (Red Hat 4.8.3-9) (GCC) ) #1 SMP Thu Nov 19 22:10:57 UTC 2015[root@localhost data]# cat /etc/redhat-release　　CentOS Linux release 7.1.1503 (Core)[root@localhost data]# vi /etc/redhat-release[root@localhost data]# cat /etc/redhat-releaseredhat-7[root@localhost data]#

[root@localhost /]# systemctl status firewalld.service　　#查看防火墻狀態，運行中● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled) Active: active (running) since Thu 2016-04-07 18:54:29 PDT; 2h 20min ago Main PID: 802 (firewalld) CGroup: /system.slice/firewalld.service  └─802 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopidApr 07 18:54:25 localhost.localdomain systemd[1]: Starting firewalld - dynamic firewall daemon...Apr 07 18:54:29 localhost.localdomain systemd[1]: Started firewalld - dynamic firewall daemon.[root@localhost /]# systemctl stop firewalld.service　　#關閉防火墻[root@localhost /]# systemctl status firewalld.service　　#再次查看防火墻狀態，發現已關閉● firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled) Active: inactive (dead) since Thu 2016-04-07 21:15:34 PDT; 9s ago Main PID: 802 (code=exited, status=0/SUCCESS)Apr 07 18:54:25 localhost.localdomain systemd[1]: Starting firewalld - dynamic firewall daemon...Apr 07 18:54:29 localhost.localdomain systemd[1]: Started firewalld - dynamic firewall daemon.Apr 07 21:15:33 localhost systemd[1]: Stopping firewalld - dynamic firewall daemon...Apr 07 21:15:34 localhost systemd[1]: Stopped firewalld - dynamic firewall daemon.[root@localhost /]# systemctl disable firewalld.service　　#禁止使用防火墻（重啟也是禁止的）Removed symlink /etc/systemd/system/dbus-org.Fedoraproject.FirewallD1.service.Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.[root@localhost /]#

[root@localhost /]# vi /etc/selinux/config [root@localhost /]# cat /etc/selinux/config

[root@localhost /]# vi /etc/sysctl.conf

net.ipv4.icmp_echo_ignore_broadcasts = 1net.ipv4.conf.all.rp_filter = 1fs.file-max = 6815744 #設置最大打開文件數fs.aio-max-nr = 1048576kernel.shmall = 2097152 #共享內存的總量，8G內存設置：2097152*4k/1024/1024kernel.shmmax = 2147483648 #最大共享內存的段大小kernel.shmmni = 4096 #整個系統共享內存端的最大數kernel.sem = 250 32000 100 128net.ipv4.ip_local_port_range = 9000 65500 #可使用的IPv4端口范圍net.core.rmem_default = 262144net.core.rmem_max= 4194304net.core.wmem_default= 262144net.core.wmem_max= 1048576

[root@localhost /]# sysctl -pnet.ipv4.icmp_echo_ignore_broadcasts = 1net.ipv4.conf.all.rp_filter = 1sysctl: setting key "fs.file-max": Invalid argumentfs.file-max = 6815744 #設置最大打開文件數fs.aio-max-nr = 1048576sysctl: setting key "kernel.shmall": Invalid argumentkernel.shmall = 2097152 #共享內存的總量，8G內存設置：2097152*4k/1024/1024sysctl: setting key "kernel.shmmax": Invalid argumentkernel.shmmax = 2147483648 #最大共享內存的段大小sysctl: setting key "kernel.shmmni": Invalid argumentkernel.shmmni = 4096 #整個系統共享內存端的最大數kernel.sem = 250 32000 100 128sysctl: setting key "net.ipv4.ip_local_port_range": Invalid argumentnet.ipv4.ip_local_port_range = 9000 65500 #可使用的IPv4端口范圍net.core.rmem_default = 262144net.core.rmem_max = 4194304net.core.wmem_default = 262144net.core.wmem_max = 1048576[root@localhost /]#

[root@localhost /]# vi /etc/security/limits.conf

@student - maxlogins 4* oracle soft nproc 2047 ** oracle hard nproc 16384 ** oracle soft nofile 1024 ** oracle hard nofile 65536 *End of file

[root@localhost /]# vi /home/oracle/.bash_profile 

export ORACLE_BASE=/data/oracle #oracle數據庫安裝目錄export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1 #oracle數據庫路徑export ORACLE_SID=orcl #oracle啟動數據庫實例名export ORACLE_TERM=xterm #xterm窗口模式安裝export PATH=$ORACLE_HOME/bin:/usr/sbin:$PATH #添加系統環境變量export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib #添加系統環境變量export LANG=en_US #防止安裝過程出現亂碼export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK #設置Oracle客戶端字符集

[root@localhost /]# source /home/oracle/.bash_profile

[oracle@localhost /]$ cd /usr/local/src　　#進入/usr/local/src目錄[oracle@localhost src]$ lslinux.x64_11gR2_database_1of2.zip linux.x64_11gR2_database_2of2.zip[oracle@localhost src]$ unzip linux.x64_11gR2_database_1of2.zip -d /data/database/　　#解壓(省略...)[oracle@localhost src]$ unzip linux.x64_11gR2_database_2of2.zip -d /data/database/　　#解壓(省略...)[oracle@localhost src]$ su rootPassword:[root@localhost src]# chown -R oracle:oinstall /data/database/database/