【My Ora Life】dbconsole & 升级 &卸载
利用 emctl status dbconsole 指令：
[aime@slc00bkw bin]$ emctl status dbconsole
Oracle Enterprise Manager 11g Database Control Release 11.1.0.6.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
https://***:1158/em/console/aboutApplication
Oracle Enterprise Manager 11g is running.
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Logs are generated in directory /scratch/aime/prod_install/app/product/11.1.0/db_1/slc00bkw.us.oracle.com_orcl/sysman/log
故地址为: https://***:1158/em/ 注意是https!!! 不是http!
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1、楼主输入的登录地址是什么？一般要输入http://ip地址:1158/em
2、em服务是否启动，通过emctl status dbconsole查一下，如没启动执行emctl start dbconsole，然后注意观察em启动时的端口号，一般默认端口为1158
3、确认em是否正确安装
4、试着执行emca -repos create重建em资料库，重建时要指定oracle sid、端口号、sys用户名和密码
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升级：
相关帮助文档： https://support.oracle.com/CSP/ui/flash.html#tab=KBHome(page=KBHome&id=()),(page=KBNavigator&id=(bmDocID=800550.1&bmDocDsrc=KB&from=BOOKMARK&viewingMode=1143&bmDocTitle=11.1.0.7%20Patch%20Set%20-%20Linux%20x86%2064bit%20README&bmDocType=README))
利用database upgrade assistant：
Upgrade database using dbua
注意设置环境变量：setenv ORACLE_HOME /scratch/aime/prod_install/app/product/11.1.0/db_1
没有"/" 不是setenv ORACLE_HOME /scratch/aime/prod_install/app/product/11.1.0/db_1/
否则会弹出消息：
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使用DBCA创建数据库时走到第四步时：
提示："You need to run Netca to configure a listener before you can proceed.Otherwise you may choose to continue without Database Control configuration"
解决办法：
If you need a port to connect to Oracle, then you certainly need to configure a LISTENER, which is not done by the install. To do this, you should run "netca" ("Net configuration assistant"), located at $ORACLE_HOME/bin/netca in UNIX (it should be something like this in Windows, and you must have a shortcut in your "Start" menu). Choose " Configure a listener" (or something like this), then "Add a listener" ... go on ... and it will ask for the port on which the listener is gonna listen (1521 by default). Once the listener is configured, quit netca, and retry your connection from Enterprise Manager. Now it should work. If the Oracle server is on another machine, you should also configure your "tnsnames.ora" file, which can be done either "by hand" or with "Net Manager" ($ORACLE_HOME/bin/netmgr, "Local->service name resolution" menu or something like this).
I hope that will help.