Install Grafana on RHEL 9 | CentOS 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
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 […]
How to Diagnose and Fix Slow DNS Resolution on Linux
Improve Linux network performance by diagnosing and fixing slow DNS resolution. Learn step-by-step troubleshooting, CLI commands, and configuration fixes to speed up DNS lookups on any Linux distribution. Table of Contents 🔈Introduction Slow DNS resolution can make even the fastest Linux system feel sluggish. When domain lookups stall, websites load slowly, package managers hang on […]
How to Enable and Configure 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
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
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
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, […]
Configuring Bonded Interfaces and VLANs Together on RHEL 9
Learn how to configure a bonded interface with VLAN tagging on RHEL 9: a step‑by‑step guide using nmcli and nmstatectl, architectural best practices, troubleshooting tips, and examples. Table of Contents 🔈Introduction In modern data centers, combining interface bonding (link aggregation or redundancy) with 802.1Q VLAN tagging is a common requirement. In RHEL 9, you can create a bond […]
How to Build a Responsive Dashboard with React and Tailwind CSS on RHEL 9 | CentOS 9
Learn how to build a responsive React dashboard with Tailwind CSS on RHEL 9 or CentOS Stream 9. Includes CLI commands, deployment tips, and full code examples. Table of Contents 🔈Introduction Deploying modern frontend applications in enterprise environments like RHEL 9 or CentOS Stream 9 comes with its own challenges, from package management to security […]
Splunk Email Security Risk: How to Fix allowedDomainList Warning in alert_actions.conf
Learn how to fix the Splunk allowedDomainList security warning in alert_actions.conf. Prevent unauthorized alert emails and protect sensitive data by configuring domain restrictions correctly. Table of Contents 🔈Introduction Splunk administrators often encounter a critical security warning: ⚠️ Found an empty value for ‘allowedDomainList’ in the alert_actions.conf configuration file. This alert points to a significant security misconfiguration […]