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這篇文章主要介紹如何安裝 oracle12c 單實(shí)例數(shù)據(jù)庫(kù)軟件，文中介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們一定要看完！
一、環(huán)境準(zhǔn)備
[oracle@localhost ~]$ df -hl 查看內(nèi)存情況
磁盤空間需要 6.4GB，/tmp 分區(qū)需要 1GB
[oracle@localhost ~]$ df -hl /tmp
內(nèi)存配置 4G，swap 配置 2G
[oracle@localhost ~]$ grep MemTotal /proc/meminfo
[oracle@localhost ~]$ cat /proc/swaps
操作系統(tǒng)：Red Hat Enterprise Linux Server
release 7
[oracle@localhost ~]$ cat
/etc/redhat-release
安裝包 yum -y install package*
把所有包安裝
binutils-2.23.52.0.1-12.el7.x86_64
compat-libcap1-1.10-3.el7.x86_64
compat-libstdc++-33-3.2.3-71.el7.i686
compat-libstdc++-33-3.2.3-71.el7.x86_64
gcc-4.8.2-3.el7.x86_64
gcc-c++-4.8.2-3.el7.x86_64
glibc-2.17-36.el7.i686
glibc-2.17-36.el7.x86_64
glibc-devel-2.17-36.el7.i686
glibc-devel-2.17-36.el7.x86_64
libaio-0.3.109-9.el7.i686
libaio-0.3.109-9.el7.x86_64
libaio-devel-0.3.109-9.el7.i686
libaio-devel-0.3.109-9.el7.x86_64
libgcc-4.8.2-3.el7.i686
libgcc-4.8.2-3.el7.x86_64
libstdc++-4.8.2-3.el7.i686
libstdc++-4.8.2-3.el7.x86_64
libstdc++-devel-4.8.2-3.el7.i686
libstdc++-devel-4.8.2-3.el7.x86_64
libXi-1.7.2-1.el7.i686
libXi-1.7.2-1.el7.x86_64
libXtst-1.2.2-1.el7.i686
libXtst-1.2.2-1.el7.x86_64
make-3.82-19.el7.x86_64
sysstat-10.1.5-1.el7.x86_64查看組是否存在
[root@localhost ~]# grep oinstall
/etc/group
[root@localhost ~]# grep dba /etc/group
創(chuàng)建組 oninstall 與 dba
[root@localhost ~]# /usr/sbin/groupadd
oinstall
[root@localhost ~]# /usr/sbin/groupadd dba
[root@localhost ~]# /usr/sbin/groupadd oper
查看 oracle 用戶 是否存在
[root@localhost ~]# id oracle
創(chuàng)建 oracle 用戶
[root@localhost ~]# /usr/sbin/useradd -g
oinstall -G dba,oper oracle
若已有 oracle 則報(bào)錯(cuò)存在
[root@localhost ~]# passwd oracle
為 oracle 創(chuàng)建密碼
設(shè)置資源限制:
[root@localhost ~]# vi /etc/sysctl.conf
在文末添加：
fs.aio-max-nr = 1048576
fs.file-max = 6815744
#kernel.shmall = 2097152
#kernel.shmmax = 536870912
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
使更改生效
[root@localhost ~]# /sbin/sysctl -p
設(shè)置安裝用戶的資源限制：
[root@localhost ~]# vi
/etc/security/limits.conf
在 root 下，添加
oracle soft nofile 1024
oracle hard nofile 65536
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft stack 10240
oracle hard stack 10240
創(chuàng)建 oracle 安裝目錄并分配權(quán)限
[root@localhost ~]# mkdir /u01
[root@localhost ~]# chown -R
oracle:oinstall /u01
[root@localhost ~]# chmod -R 775 /u01
為 oracle 用戶設(shè)置環(huán)境變量
[li@localhost ~]$ su – oracle
Password:
[oracle@localhost ~]$
[oracle@localhost ~]$ vi ~/.bash_profile
# .bash_profile
# Get the aliases and functions
if [-f ~/.bashrc]; then
. ~/.bashrc
fi
# User specific environment and startup
programs
PATH=$PATH:$HOME/bin
export PATH
export ORACLE_BASE=/u01/app/oracle
export
ORACLE_HOME=$ORACLE_BASE/product/12.2.0/dbhome_1
export PATH=$ORACLE_HOME/bin:$PATH
export ORACLE_SID=db12c
export NLS_LANG=AMERICAN_AMERICA.AL32UTF8
如何切換到 oracle 用戶
Su – oracle
在 temp 下創(chuàng)建 oracle 然后把 12c 壓縮包解壓在里面
在 oracle 用戶下
[li@localhost ~]$ su oracle
Password:
[oracle@localhost]$ cd /u01/software/database
[oracle@localhost database]$ ls
install
response rpm runInstaller
sshsetup stage welcome.html
執(zhí)行安裝
[oracle@localhost database]$ ./runInstaller
1、彈出此界面，不勾選選項(xiàng)（如果有也可以填寫）然后 next
2、此處選擇僅安裝數(shù)據(jù)庫(kù)軟件，然后 next
3、選擇安裝單實(shí)例數(shù)據(jù)庫(kù)，然后 next
4、選擇安裝企業(yè)版，然后 next
5、安裝路徑默認(rèn)安裝
6、默認(rèn)安裝 next
7、組默認(rèn) next
8、這里會(huì)檢查是否有安裝相關(guān)的包，可以新打開(kāi)一個(gè)窗口 yum 安裝包，然后檢查
（這里檢查的錯(cuò)誤最好都想辦法使得沒(méi)有錯(cuò)誤，不然在啟動(dòng)時(shí)會(huì)報(bào)錯(cuò)）
9、點(diǎn)擊 install 開(kāi)始安裝
10、在 root 下執(zhí)行兩條腳本
[root@localhost ~]#
/u01/app/oraInventory/orainstRoot.sh
Changing permissions of
/u01/app/oraInventory.
Adding read,write permissions for group.
Removing read,write,execute permissions for
world.
Changing groupname of /u01/app/oraInventory
to oinstall.
The execution of the script is complete.
[root@localhost ~]#
/u01/app/oracle/product/12.2.0/dbhome_1/root.sh
Performing root user operation.
The following environment variables are set
as:
ORACLE_OWNER= oracle
ORACLE_HOME=
/u01/app/oracle/product/12.2.0/dbhome_1
Enter the full pathname of the local bin
directory: [/usr/local/bin]:
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
script.
Now product-specific root actions will be
performed.
Do you want to setup Oracle Trace File
Analyzer (TFA) now ? yes|[no] :
yes
Installing Oracle Trace File Analyzer
(TFA).
Log File:
/u01/app/oracle/product/12.2.0/dbhome_1/install/root_localhost.localdomain_2018-04-30_07-56-19-938348191.log
Finished installing Oracle Trace File
Analyzer (TFA)
執(zhí)行完腳本，數(shù)據(jù)庫(kù)軟件安裝完成
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