Fixing JDBC Connection Problems in Docker Compose Using Hibernate and PostgreSQL
Daniel Marino
12 December 2024
Fixing JDBC Connection Problems in Docker Compose Using Hibernate and PostgreSQL

It can be challenging to debug connectivity problems in a Dockerized Spring Boot application, particularly when using PostgreSQL and Hibernate. Incorrect JDBC connection setups and UnknownHostException issues can be fixed with the help of this article. You can guarantee smooth service integration by taking care of Docker network configurations and initialization delays.

How to Rename Abbreviated Columns in PostgreSQL Using Python
Mia Chevalier
8 December 2024
How to Rename Abbreviated Columns in PostgreSQL Using Python

It can be time-consuming to rename columns in PostgreSQL, particularly when working with several databases with shortened names like "h" for "high." Python packages such as SQLAlchemy and psycopg2 allow you to define target columns, loop across tables dynamically, and automate updates with low error rates.

Resolving PostgreSQL Version Errors in Greenbone Vulnerability Manager (GVM) Setup
Daniel Marino
1 November 2024
Resolving PostgreSQL Version Errors in Greenbone Vulnerability Manager (GVM) Setup

It can be difficult to deal with issues caused by incompatible PostgreSQL versions when setting up Greenbone Vulnerability Manager (GVM). Users frequently discover that their systems' default PostgreSQL version (such as 14) does not satisfy GVM's version 17 requirement, which results in setup issues. To fix issue, existing clusters can be safely upgraded by using commands like pg_upgradecluster. This guarantees that the GVM installation proceeds as planned without requiring manual intervention or data loss. A successful GVM setup is ensured by following these steps, which also make the process simpler.