Steps for Decrypting forgotten weblogic password

Note: This method works only if we have boot.properties file in our domain home

Starting wlst command prompt:

Navigate through MW_HOME\oracle_common\common\bin and

run the wlst command as below

Defining domain, service and encryption:

In the wlst command prompt define domain, service and encryption as below

domain = "MW_HOME/user_projects/domains/base_domain/"

service = weblogic.security.internal.SerializedSystemIni.getEncryptionService(domain)

encryption = weblogic.security.internal.encryption.ClearOrEncryptedService(service)

Decrypting the encrypted password:

Note: Copy the encrypted password from boot.properties file

boot.properties location= DOMAIN_HOME\servers\Adminserver\security

Use print command as below to print the encrypted password

Syntax:

print "Weblogic server Admin password: %s" %encryption.decrypt<boot.properties_encrypted_password")

Example:

Print "Weblogic server Admin password: %s" %encryption.decrypt("{AES}0RFlBNYhFEoAroSAQaeYNY8wl9nxuToZSg39ZpM1QZo=")

It will print the decrypted password.

The 'microsoft.ace.oledb.12.0' provider is not registered on the local machine

When trying to login essl time tracker getting below error

Resolution:

Open command as administrator and navigate to C:\Windows\Microsoft.NET\Framework64\v2.0.50727

Run the below command

idr64.exe setwow

Try to login Essl again

Postgresql on linux

By default, we will get postgresql on Linux installation

Check for the status of postgresql service as below

Before starting the postgresql service initialize the database as below

Enable the firewall for postgresql as below

Start the service and check for the status as below

Now postgresql is up and running.

Granting permissions for root user to run postgresql

Steps for creating postgresql user:

Change to postgres user and run the below command

$createuser --pwprompt

Give username and password and enter "y" and click enter

Creating postgresql database:

Now we can create postgresql database as a root user as below

Connect to the newly created database as below:

Creating tenant account in thingsboard

All dashboards and customers in Thingsboard are tied to a Tenant.

Thingsboard support multiple Tenants.

When we logged in as system administrator, Thingsboard can't know which of the tenants to show, so no dashboards or customers are shown.

The system administrator account is for system administration tasks, not for dashboard or customer tasks.

If we want to manage dashboards or customers, login as the Tenant or Customer you want to manage.

Steps for Creating tenant account in  thingsboard:

Login as admin account

Click on Tenants

Click on + sign to create new tenant

Provide the details and click on Add

Now click on manage tenant admins

Click on + sign to create new tenant admin user

Provide the details and click on add

Copy the link and click on ok

Copy and goto the activation link to activate the created tenant user

Provide the password for tenant user and click on create password

Installing Talend Open Studio on windows

Download and stage the software

Right click on the setup file and run as administrator

Accept the license agreement

Select Create new project and click on finish