How to Configure OUD to accept SSL using a Self-Signed Certificate

Need to enable SSL for OUD with self-signed certificate.

Steps to create SSL self-signed certificate for OUD (

1. Prepare keystore directory:

cd /u01/mwOUD/asinst_2/OUD
mkdir config/sslv101
touch sslv101/
chmod 666 config/sslv101/

Add password to above file. In my case, I have added P@ssw0rd to file. Continue reading


How to Change the nodemanager password in weblogic admin console

Not able to start/stop managed server via weblogic admin console after changed weblogic admin password.

Updated password not reflected in Nodemanager properties. Continue reading

How to reset Weblogic Administrator password

Need to change weblogic password.

Steps to reset/change weblogic password:
1. set environment variable like MW_HOME, WL_HOME, CLASSPATH
2. Delete data directory under <DOMAIN_HOME>/servers/AdminServer
3. Take backup of *.ldift <DOMAIN_HOME>/security
4. run “java weblogic Dev@1234 .”
5. Update with new password and start

Continue reading

How to Decrypt SqlDeveloper connections passwords

To recover password we need two files named connections.xml & product-preferences.xml .
Above files can be available in below locations

On Windows :
%APPDATA%\SQL Developer\system*\o.jdeveloper.db.connection*\connections.xml
%APPDATA%\SQL Developer\system*\o.sqldeveloper*\product-preferences.xml

On Linux :

Continue reading

How to assign a Privileged Port to OHS

Problem :
Unable to assign port 80 & 443 to http & https respectively in OHS, which is running on Linux environment. Below error logged in OHS logs

[VirtualHost: main] (13)Permission denied: make_sock: could not bind to address [::]:443

On a UNIX system the TCP/IP port numbers below 1024 are special in that only processes with root privileges are allowed to listen on those ports. Continue reading