Install postgresql 13 # dnf module list | grep postgres # dnf module install postgresql:13 2. Initialize database # which postgresql-setup # postgresql-setup --initdb 3. Change password for os user postgres auto created after installing postgresql # passwd postgres 4. Enable and start postgresql service # systemctl enable postgresql # systemctl…

Git was originally authored by Linus Torvalds for development of the Linux kernel, with other kernel developers contributing to its initial development. It is an opensource software for tracking changes in any set of files, usually used for collaboratively developing source code during software development. Some useful git command Check…

When you use liquibase’s instruction autoIncrement =”true”, for generation of primary key id, it generates serial column for PostgreSQL. For serial column PostgreSQL will create a sequence with a name like tablename_colname_seq. Default column values will be assigned from this sequence. But when you explicitly insert a value into serial column, it doesn’t affect sequence generator, and its next value will not change. So it can generate a duplicate value.

Amazon WorkSpaces are easily provision cloud-based desktops that allow end-users to access applications and resources. Amazon EC2 is Scalable, pay-as-you-go compute capacity in the cloud. Amazon EC2 can be classified as a tool in the “Cloud Hosting” category, while Amazon WorkSpaces is grouped under “Virtual Desktop”. Amazon workspace can be…

React Router is a standard library for routing in React. It enables the navigation among views of various components in a React Application, allows changing the browser URL, and keeps the UI in sync with the URL. React Router v5 vs v6 React Router version 6 introduces a few breaking changes…

In the previous article here, i have implemented custom authentication such that Check if the user exist in local database user table and if the user exist, then authenticate it to external windows AD server. Upon successful call to login API, a session was created on server and session id…

Steps to access spring security protected APIs very much depend upon the Web Security Configuration in your spring boot project. Below example i have tried to demonstrate two different Web Security Configuration and how to access it using curl. Suppose we are trying to access following end url http://localhost:8080/api/student Example…

I recently had the requirement for user authentication in a spring boot application as follows: Check if the user exist in local database user table -> if the user exist, then authenticate it to external windows AD server. In Spring Security, an Authentication request is processed by an AuthenticationProvider and…

In this article we will try to authenticate a user to an external windows active directory domain server before granting him access to APIs. Suppose you have a running windows AD server such domain name — example.examplegroup.co.in IP Address — 192.168.1.25 Steps: Add following dependencies to pom.xml file <dependency>…