The Differences Between Kanban and Agile Methodology

Differences between Kanban and Agile methodology

Learn the key differences between Kanban and Agile methodology, including workflows, planning styles, performance metrics, and best use cases. Understand when to use Kanban, when Agile is more effective, and how hybrid approaches like Scrumban can benefit teams. Table of Contents 🔈Introduction In modern software development and project management, teams aim to deliver high-quality work […]

Install Grafana on RHEL 9 | CentOS 9

Install Grafana on RHEL 9

Learn how to install Grafana on RHEL 9 or CentOS 9—from repository setup through installation, service management, firewall & SELinux configuration, to securing your Grafana environment. Table of Contents 🔈Introduction If you’re working with Grafana and running a modern enterprise Linux environment like Red Hat Enterprise Linux 9 (RHEL 9) or CentOS Stream 9 (or a compatible EL9 distribution), […]

Install GIMP on RHEL 9 | CentOS 9

Install GIMP on RHEL 9

Learn how to install GIMP on RHEL 9, CentOS Stream 9, Rocky Linux 9, and AlmaLinux 9 using EPEL, Flatpak, or source builds. Includes step-by-step commands, troubleshooting tips, and comparisons for the best installation method. Table of Contents 🔈Introduction GIMP (GNU Image Manipulation Program) is one of the most widely used open-source graphics applications for […]

Managing System Resource Limits Using ulimit and /etc/security/limits.conf

Managing System Resource Limits with ulimit and limits.conf

Learn how to manage system resource limits using ulimit and /etc/security/limits.conf on Linux. Discover key concepts, practical examples, and best practices for controlling file descriptors, processes, memory, and more. Table of Contents 🔈Introduction When managing Linux systems, one of the essential aspects of system administration is ensuring that processes do not consume excessive resources. By […]

How to Enable and Configure SELinux Policy Modules for Custom Applications

SELinux policy modules for custom applications

Learn how to enable, write, and configure SELinux policy modules for custom applications. Includes step-by-step instructions, file context management, CLI examples, and best practices for secure deployments. Table of Contents 🔈Introduction Security-Enhanced Linux (SELinux) is one of the most robust mandatory access control (MAC) frameworks available in modern Linux distributions. It enforces strict boundaries between […]

How to Set Up a RHEL 9 Workstation for Creative Professionals

RHEL 9 workstation setup for creative professionals

Learn how to set up a RHEL 9 workstation for creative professionals, with step-by-step instructions for installing essential software, optimizing performance, and creating a smooth, efficient workflow. Table of Contents 🔈Introduction Red Hat Enterprise Linux (RHEL) is known for its stability and security, making it an excellent choice for developers and system administrators. However, RHEL […]

How to Run GUI Applications Remotely over SSH with X11 Forwarding / Waypipe

Run GUI applications remotely over SSH

Learn how to run Linux GUI applications remotely over SSH using X11 forwarding or Waypipe. Includes setup steps, CLI examples, performance tips, security advice, and comparison charts for choosing the right method. Table of Contents 🔈Introduction Running graphical Linux applications on a remote server and displaying them on your local machine can be transformative for […]

How to Secure Grafana Behind Nginx with SSL on RHEL 9 | CentOS 9

Secure Grafana behind Nginx SSL on RHEL 9

Learn how to secure Grafana behind Nginx with SSL on RHEL 9 / CentOS 9. This step-by-step blog post includes domain setup, reverse-proxy configuration, WebSocket support, firewall rules and troubleshooting tips. Table of Contents 🔈Introduction Securing your Grafana instance behind Nginx with SSL is a best-practice setup that ensures encrypted web traffic, clean domain-based access, […]

Optimizing PostgreSQL for Zabbix 7.0 with TimescaleDB Compression

Zabbix 7.0 TimescaleDB compression

Optimize PostgreSQL for Zabbix 7.0 with TimescaleDB compression: guide to enable extensions, tune performance, implement retention policies, and scale time-series storage effectively. Table of Contents 🔈Introduction Monitoring large-scale IT environments with Zabbix 7.0 demands a database backend capable of efficient time-series data handling. By pairing PostgreSQL with TimescaleDB (a time-series extension for PostgreSQL) you gain native partitioning, […]

Installing and using Collectd on RHEL 9 | CentOS 9

Install Collectd on RHEL 9 | CentOS 9

Learn how to install and configure Collectd on RHEL 9 and CentOS 9 for system performance monitoring. This step-by-step guide covers installation, setup, configuration, and usage to help you monitor system metrics efficiently. Table of Contents 🔈Introduction Monitoring system performance is crucial to maintaining the health and stability of your server environment. On RHEL 9 and CentOS 9, […]