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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...

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...

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,...

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...

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...

Optimizing PostgreSQL for Zabbix 7.0 with 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...

Monitoring Block I/O and Disk Wait Times Using iotop and iostat

Monitor and troubleshoot Linux disk I/O bottlenecks using iostat and iotop. Learn how to interpret %iowait, %util, await times and pinpoint heavy processes. Table of Contents 🔈Introduction Efficient...

Installing and using 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...

Understanding Enterprise Network Infrastructure: From Perimeter to Core

A complete guide to enterprise network infrastructure—covering DMZ, firewalls, core networks, and hybrid cloud integration. Includes best practices, CLI examples, and design tables...

Install Google Chrome Remote Desktop on Ubuntu 24.04: A Step-by-Step Guide

Learn how to install and configure Google Chrome Remote Desktop on Ubuntu 24.04 with this comprehensive step-by-step guide. Ensure secure and efficient remote access to your Ubuntu...

Install a Kubernetes Cluster on RHEL 9 | CentOS 9

Learn how to install a Kubernetes cluster on RHEL 9 | CentOS 9. Explore step-by-step instructions, best practices, and considerations for smooth deployment and operation. Dive into...

Install OpenVPN on Ubuntu 24.04

Learn how to install OpenVPN on Ubuntu 24.04 with this step-by-step guide. Secure your network with a robust VPN setup, including certificate management, firewall rules, and client...

Recover Your Root Password in Ubuntu 24.04

Learn how to recover your root password in Ubuntu 24.04 with this comprehensive guide. Follow step-by-step instructions for accessing recovery mode, resetting your password, and ensuring...

Install Neovim on Ubuntu 24.04

Learn how to install Neovim on Ubuntu 24.04 with this comprehensive guide. Discover installation methods, essential configurations, and plugins to enhance your coding experience. Table...

Install AnyDesk on Ubuntu 22.04

In this guide, we’ll walk you through how to install AnyDesk on Ubuntu 22.04, ensuring a smooth and hassle-free setup process for seamless remote desktop access. Table of...

Explore RHCSA exam-related articles packed full of content that will aid you along your journey to becoming a Red Hat Certified Systems Administrator and passing the RHCSA EX200 exam.

Explore RHCE exam-related articles packed full of content that will aid you along your journey to becoming a Red Hat Certified Engineer and passing the RHCE EX294 exam.

Explore AWS exam series articles packed full of content that will aid you along your journey to becoming an AWS Solutions Architect and passing the exam.

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The staff and contributors here at Infotechys.com are dedicated to breaking down and simplifying (as best as we can) content related to Linux, and computer information technology (IT) in general. Our primary focus is Linux but we dive into other areas in tech as well as deal with current news and opinions in the IT world.

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