Subject: HashiCorp Vault In today’s digital landscape, managing secrets—such as passwords, API keys, and encryption keys—has become a critical aspect of maintaining security and operational
Category: Systems Administration
Choosing the Best Open-Source DNS Resolver and Caching Software for Big-Sized MNOs and ISP Environments
In today’s digital age, the demand for reliable and high-performance internet services is at an all-time high. Mobile Network Operators (MNOs) and fixed broadband internet
Repurpose Your Old Server Hardware: Build an Enterprise-Grade Storage System at Zero Cost Using CEPH
In today’s data-driven world, reliable and scalable storage solutions are essential. However, the cost of enterprise-grade storage can be prohibitive, particularly for medium-sized and large
Unable to Access Ollama Models on Open WebUI After Enabling HTTPS: Troubleshooting and Resolution Guide
Introduction This guide is a continuation of my previous article, “Step-by-Step Guide to Set Up HTTPS for Dockerized Open WebUI on Linux”. If you followed
How to Extend Ubuntu Logical Volumes and Resize Filesystem: Step-by-Step Guide for System Administrators
Description: When you install Ubuntu, by default it doesn’t use all the disk space when creating the default logical volume (LV). This requires you to