Patch is an Oracle supplied utility to assist you with the process of applying interim patches to Oracle's software. OPatch is a Java-based utility which requires the Oracle Universal Installer to be installed. It is platform independent and runs on all supported operating systems. OPatch supports the following:
* Applying an interim patch.
* Rolling back the application of an interim patch.
* Detecting conflict when applying an interim patch after previous interim patches have been applied. It also suggests the best options to resolve a conflict.
* Reporting on installed products and interim patch. Read more...
Recent Articles
backupConfig.sh backup_file [options] backupConfig.sh myBackup.zip -nostop -logfile backupConfig.lst
I carried a big data upload and as a result of it my archive volume filled up in no time. As matter of urgency I started moving archive logs without backup to another destination. The next thing to go wrong was my nightly backup. Read more...
Comparing Files is one of very common task as a DBA, System Administrator. There are tonnes of Oracle,Websphere,linux configuration files. Often I have to compare one server to another and locate changes between environments. Read more...
WAS_HOME=/opt/IBM/WebSphere/AppServer/bin
$ ./manageprofiles.sh -listProfiles
[Dmgr, Node] Read more...
In a Network Deployment environment, the deployment manager maintains the master repository for all of the WebSphere Application Server nodes and servers that it manages in the cell. Copies of the files that each node needs are replicated to that node by a process known as synchronization. Read more...
You should check if application server process is running to determine a crash. To do this, you need to know process ID of application server. You can find process ID at server name.pid file in:
Often the websphere default systmout,systemerror logs doesn't provide detailed information on error. In such cases have a look at directory logs under /opt/IBM/WebSphere/AppServer/profiles/Profile01/dmgr/logs/ffdc & /opt/IBM/WebSphere/AppServer/profiles/Profile01/Node/logs/ffdc Read more...
How does Deployment Manager and node Agent work together? Does deployment manager send message to node agent actively or node agent sends message to deployment manage? Read more...
WebSphere architectures contain one or more computer systems, which are referred to in WebSphere terminology as nodes. Nodes exist within a WebSphere cell. A WebSphere cell can contain one node on which all software components are installed or multiple nodes on which the software components are distributed. Read more...
Perform the following setup instructions:
1. Follow instructions to enable verbosegc in WebSphere Application Server Read more...
Have you ever wondered what the codes listed at Apache acces_log mean
172.21.90.160 - - [05/Jan/2010:08:15:42 +0000] "GET HTTP/1.1" 200 554
172.21.90.160 - - [05/Jan/2010:08:15:42 +0000] "GET HTTP/1.1" 304 -
172.21.90.160 - - [05/Jan/2010:08:15:42 +0000] "GET HTTP/1.1" 304 –
I have more than 100 database servers. How can I report if my backup was successful?
Normally one can use shell scripts and grep rman log for errors but here is a better way
Read more...
- What is an "Application Server"? An application server is a server computer on a computer network dedicated to running certain software applications. Generally, an application server is a software engine that delivers applications to client computers.
After an install run config.bat to create default weblogic configuration Read more...
Plug-In Logs
WebServer http Plugin will create log, by default named as http-plugin.log, placed under PLUGIN_HOME/logs/
Plugin writes Error messages into this log. The attribute which deals with this is
< Log > in the plugin-cfg.xml
For Example
< Log LogLevel="Error" Name="/opt/IBM/WebSphere/Plugins/logs/http_plugin.log" / > Read more...
Hierarchy of directories of documents
In a Network Deployment environment, changes made to configuration documents in the cell repository, are automatically replicated to the same configuration documents that are stored on nodes throughout the cell. Read more...
Application server configuration files define the available application servers, their configurations, and their contents. Read more...
Check Server Status:
cd /opt/IBM/WebSphere/AppServer/profiles/Profile01/Node01/bin
serverStatus server1
serverStatus -all (returns status for all defined servers)
serverStatus -trace (produces the serverStatus.log file)
XDB enable use of FTP and HTML protocols to access and manage files located on ASM disksgroups. Files can be easily browse or moved in/out from ASM this way.
You can use the create RMAN DUPLICATE command to duplicate database from target database backups while still retaining the original target database. The duplicate database can be either identical to the original database or contain only a subset of the original tablespaces. A duplicate database is a copy of the target database that you can run independently for a variety of purposes.
Imagine you have to drop an Oracle user and create it with all privs/roles again. This often happens in test cycle of 3rd party products. The privs are sent to user on ad hoc basis to get around the installation errors and then comes requirement to replicate it on another server. How do you do it? Attached script will create a spool file for user granted roles, object Privileges
Read more...