In the world of Linux systems administration, software development, and technical support, log files are goldmines of information. They help diagnose issues, trace user activity, monitor
Tag: Linux
Technical Method of Procedure (MOP) for Cacti Network Monitoring Disaster Recovery (Backup and Restoration)
Disaster Recovery (DR) is a fundamental component of an organization’s overall business continuity strategy. Its explicit focus is on ensuring that the IT systems supporting
From cmd.php to Spine: A Comprehensive Guide to Enhancing Cacti Polling and Scalability
Cacti is a powerful and widely used open-source network monitoring and graphing tool. By default, Cacti often utilizes the cmd.php poller, which, while functional, can
Incident Report: Cacti Database Connection Failure Post yum upgrade
Incident Summary After performing a system upgrade using “yum upgrade“, the Cacti monitoring system became inaccessible. The root cause was traced to a symbolic link
Enable Free SSL/TLS for Containerized Open-WebUI with Let’s Encrypt and NGINX Proxy (on Ubuntu)
Securing your Open-WebUI application with HTTPS is a crucial step in ensuring the privacy and integrity of data exchanged between your users and your server.
Mastering Linux Firewall with UFW (Uncomplicated Firewall): The Ultimate Command Reference & Configuration Guide
UFW (Uncomplicated Firewall) is a simplified interface for managing iptables, the standard Linux firewall. It is designed to make firewall configuration easier while maintaining powerful
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
Step-by-Step Guide to Set Up HTTPS for Dockerized Open WebUI on Linux
Introduction In this guide, i will walk you through the process of setting up HTTPS for your Dockerized Open WebUI application running on a linux
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
Incident Report: OpenSSL Upgrade Issue on CentOS Stream 9
Incident Summary: During the process of upgrading OpenSSL from version 3.2.2 to version 3.4.0 on a CentOS Stream 9 system, the upgrade could