How to Check If a User Can Access a Database in PostgreSQL(The Right Way)
In PostgreSQL, being able to authenticate as a user does not automatically mean you can connect to a database. Connection…
How to Check PostgreSQL privileges Correctly: A Guide to \dp Output
PostgreSQL exposes object-level permissions through Access Control Lists (ACLs). While the SQL GRANT and REVOKE commands are familiar to most…
Understanding PostgreSQL Access Control: LOGIN Roles vs. CONNECT Privileges
PostgreSQL offers a sophisticated and layered security model that precisely controls how users authenticate and access data. To properly secure…
What Does $user Mean in PostgreSQL’s search_path?
If you’ve worked with PostgreSQL long enough, you’ve probably seen something like this: And the result looked like: At first…
Red Hat OpenShift Is Now GA on VMware’s New VVF 9 and VCF 9 Platforms
Red Hat has quietly crossed an important milestone for enterprise Kubernetes users: OpenShift 4.18, 4.19, and 4.20 are now generally…
AWS Just Made RDS for SQL Server and Oracle Cheaper — Without Cutting Corners
Running databases in the cloud is always a balancing act. You want enough performance to handle production workloads, enough flexibility…
RHEL 10.1 Quietly Modernizes RPM and DNF — And It Matters More Than It Sounds
Software management isn’t the most exciting part of an operating system — until it breaks. In Red Hat Enterprise Linux…
Red Hat + EDB: Build an Unbreakable Automation Stack in 2026
If you’re in IT operations, you know the pain: Your team leans on Red Hat’s Ansible Automation Platform to streamline…
Linux’s New Mount API Existed for Six Years — Before Anyone Properly Documented It
Linux doesn’t usually suffer from a lack of powerful interfaces. What it sometimes lacks is something far more basic: usable…
Linux 6.20 (or 7.0) Is Lining Up a Subtle but Important io_uring Performance Win
The next Linux kernel development cycle—expected to become Linux 6.20, or more likely Linux 7.0—is shaping up to deliver a…