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How to Enable Kernel Crash Dump (kdump) on Debian Linux

When a Linux system crashes, the most valuable tool for troubleshooting is a kernel crash dump. A crash dump captures the contents of the system’s memory at the moment of failure, allowing administrators and developers to analyze the root cause using tools like crash or gdb. On Debian Linux, the kdump service provides this functionality by reserving memory for a secondary kernel (called the dump-capture kernel) that boots when the primary kernel fails. In this

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Sourav AJ August 31, 2025

How to Install OpenLiteSpeed on AlmaLinux 9

OpenLiteSpeed is a high-performance, open-source web server software designed to efficiently serve web content. It is the open-source version of LiteSpeed web server, which is known for its high speed and performance. Many web developers and system admins choose OpenLiteSpeed because it’s reliable, easy to use, and great for running websites or apps that need to load quickly. Setting up OpenLiteSpeed on AlmaLinux 9 ensures a secure and optimized environment for modern applications. Follow the

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Merin John August 31, 2025

How to Install CodeIgniter on Ubuntu 24.04

CodeIgniter is a lightweight, fast, flexible, and secure full-stack PHP web framework. It’s a toolkit designed to help people build websites with PHP more quickly. Instead of writing everything from scratch, CodeIgniter provides a collection of ready-to-use libraries for common tasks, along with a simple and organized way to access them, making Installing CodeIgniter on Ubuntu 24.04 a seamless process for developers. Why go with CodeIgniter? Prerequisites  Step-by-Step Installation on Ubuntu 24.04 Step 1: Update

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Merin John August 31, 2025

How to Deploy Ruby on Rails with Passenger on Ubuntu 24

Ruby on Rails is one of the most popular frameworks for building modern web applications. When paired with Passenger and Nginx, you get a production-ready deployment stack that is simple, secure, and high-performance. In this guide, we’ll walk through the process of setting up a fresh Ruby on Rails application to deploy Ruby on Rails and running it with Passenger on Ubuntu 24. Steps to Deploy Rails with Passenger 1. Update and Install Dependencies Make

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Sourav AJ August 29, 2025

How to Install Mattermost on Ubuntu 24.04

Mattermost is an open-source, self-hosted collaboration platform designed for secure team communication. If you’re looking to set it up, you can follow this guide to install Mattermost on Ubuntu 24.04 for a seamless and secure deployment. Prerequisites Step 1: Update System Packages Step 2: Install and Configure PostgreSQL Install PostgreSQL and enable it to start on boot: Create Mattermost Database and User Switch to the PostgreSQL user: Create a new PostgreSQL user and database: Step

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Jishnu V August 29, 2025

How to Install Pimcore on Ubuntu 24

Update the System Install Nginx Install MariaDB Then run: From here you can create a database and user for Pimcore. Install PHP and Extensions Install PHP and all necessary extensions. Ensure you’re using a supported PHP version (e.g., PHP 8.3). Install Composer Create Pimcore Project Navigate to your web root and create the Pimcore project using Composer:- Set the right permissions Install Pimcore  Run the Pimcore installer: Configure Nginx Create a new config file Enable

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Sajna VM August 28, 2025

Troubleshooting Network Issues on Linux with mtr

In today’s interconnected world, network hiccups—latency, packet loss, or unreachable hosts—can wreak havoc on Linux systems’ performance. A powerful way to diagnose these problems is using MTR (My Traceroute), a dynamic tool that merges the capabilities of ping and traceroute. This guide will show you how to use mtr command effectively for troubleshooting. What Makes MTR So Effective? Unlike traceroute, which merely maps the path of packets, MTR combines path tracing with real-time latency and

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Merin John August 22, 2025

phpMyAdmin configuration file now needs a secret passphrase – Solution

If you’ve recently installed or upgraded phpMyAdmin on a Server, you may be displayed with this phpmyadmin blowfish_secret warning message. This might be alarming, but it’s actually a quick fix — and it’s essential for security. What Is blowfish_secret? phpMyAdmin uses cookie-based authentication by default. To secure this process, it encrypts credentials stored in cookies using the Blowfish cipher. For that encryption to work, a secret passphrase (called blowfish_secret) is required. If this value is

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Jishnu V August 21, 2025

How to Create a CPU Usage Alarm in AWS CloudWatch

For creating a CPU usage alarm using the AWS Management Console Open the CloudWatch Console Go to CloudWatch in the AWS Console Navigate to Alarms In the navigation pane on the left, choose Alarms, then click on All Alarms. Create a New Alarm Select Create alarm, then click Select metric. Choose Your EC2 Metric Go to the All metrics tab. Choose EC2 metrics Select a metric category, such as per instance metrics. Find the row

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Sajna VM August 21, 2025

Gitea Runner Deployment for WordPress Auto Deployment

In our previous blogs, we explored Installing Gitea and Pushing a Fresh Git Repository to the Gitea Server. Now that we have a working Gitea setup and know how to manage our repositories, it’s time to take the next step — automating deployments. Manually updating your WordPress site every time you push code can be tedious, time-consuming job With Gitea Actions Runner (act_runner), we can automate this process so that every push to the repository

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Sourav AJ August 14, 2025
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