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最近发表
- Oracle 23ai rm redo*.log恢复
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- ORA-00742 ORA-00312 恢复
- 数据库open成功后报ORA-00353 ORA-00354错误引起的一系列问题(本质ntfs文件系统异常)
- ORA-600 ktsiseginfo1故障
- ORA-00600: internal error code, arguments: [16703], [1403], [4] 原因
- 最近遇到几起ORA-600 16703故障(tab$被清空),请引起重视
- ORA-600 2662快速恢复之Patch scn工具
- TNS-12518: TNS:listener could not hand off client connection
- ora.storage无法启动报ORA-12514故障处理
- 断电引起文件scn异常数据库恢复
- ORA-16188: LOG_ARCHIVE_CONFIG settings inconsistent with previously started instance
- .[hudsonL@cock.li].mkp勒索加密数据库完美恢复
月归档:三月 2011
防火墙和selinux的启动和关闭
1、防火墙简单管理
查看状态:service iptables status
1) 重启后生效
开启: chkconfig iptables on
关闭: chkconfig iptables off
2) 即时生效,重启后失效
开启: service iptables start
关闭: service iptables stop
2、selinux简单管理
1)关闭selinux
#vi /etc/selinux/config
SELINUX=enforcing
改为
SELINUX=disabled
#setenforce 0
2)开启selinux
#vi /etc/selinux/config
SELINUX=disabled
改为
SELINUX=enforcing
#setenforce 1
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CentOS 5建立本地源
1、mkdir /media/CentOS
2、mount /dev/cdrom /media/CentOS
3、查看CentOS-Media.repo中内容
[c5-media]
name=CentOS-$releasever – Media
baseurl=file:///media/ CentOS
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-beta
3、我们只需编辑下bashurl ,将自己的光盘路径写入
4、可以使用 yum –disablerepo=\* –enablerepo=c5-media [command]
如:yum –disablerepo =* –enablerepo=c5-media install gcc 安装
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配置Oracle ASM磁盘
1、确定Linux版本
uname -a
Note:我的系统是redhat 5.5
2、下载asm的lib包
http://www.oracle.com/technetwork/topics/linux/index-101839.html
根据Linux版本,选择合适版本下载(redhat 5.5 32位系统)
oracleasm-support-2.1.4-1.el5.i386.rpm
oracleasm-2.6.18-194.26.1.el5-2.0.5-1.el5.i686.rpm
oracleasmlib-2.0.4-1.el5.i386.rpm
3、安装ams包(root)
rpm -Uvh oracleasm-support-2.1.4-1.el5.i386.rpm
rpm -Uvh oracleasm-2.6.18-194.26.1.el5-2.0.5-1.el5.i686.rpm
rpm -Uvh oracleasmlib-2.0.4-1.el5.i386.rpm
4、配置ASM的库文件(root)
/etc/init.d/oracleasm configure
Configuring the Oracle ASM library driver.
This will configure the on-boot properties of the Oracle ASM library
driver. The following questions will determine whether the driver is
loaded on boot and what permissions it will have. The current values
will be shown in brackets (‘[]’). Hitting without typing an
answer will keep that current value. Ctrl-C will abort.
Default user to own the driver interface []: oracle
Default group to own the driver interface []: dba
Start Oracle ASM library driver on boot (y/n) [n]: y
Fix permissions of Oracle ASM disks on boot (y/n) [y]: y
Writing Oracle ASM library driver configuration: [ OK ]
Creating /dev/oracleasm mount point: [ OK ]
Loading module “oracleasm”: [ OK ]
Mounting ASMlib driver filesystem: [ OK ]
Scanning system for ASM disks: [ OK ]
Note:需要实现创建oracle用户和dba组(一般安装oracle的系统上都会创建)
5、创建ASM磁盘(root)
/etc/init.d/oracleasm createdisk XFF1 /dev/sdb1
/etc/init.d/oracleasm createdisk XFF2 /dev/sdc1
6、配置CSS(root)
$ORACLE_HOME/bin/localconfig add
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