Friday, October 4, 2024

How to Create Log Manager with Logstash, Kibana and ElasticSearch

Log management is a crucial aspect of any application, especially as it grows in complexity. In mature applications with significant workloads, tracking events within the system becomes essential to prevent catastrophic situations and system crashes. This is where log management comes into play, encompassing tasks like storing, rotating, filtering, visualizing, and analyzing logs.

One powerful and widely adopted approach to log management is the ELK stack (Elasticsearch, Logstash, and Kibana). In this article, we will explore the integration of the ELK stack with a Laravel application.

Thursday, October 3, 2024

How to Import OVA File to Xen/XCP-NG

Importing OVF (Open Virtualization Format) packages into XenServer allows you to seamlessly deploy virtual machines (VMs) from various sources, including VMware, Hyper-V, and even other XenServer environments. This process simplifies the migration and deployment of virtualized workloads. This article provides a step-by-step guide to importing OVF packages into XenServer, addressing common challenges and offering troubleshooting tips.

How to Use Systemd (systemctl) inside Docker Container

Docker, a powerful tool for containerization, often presents a challenge when dealing with systemd-based distributions like CentOS. By design, Docker containers prioritize lightweight processes and focus on running a single application. This streamlined approach, however, means the familiar systemctl command, used for service management on traditional Linux systems, is absent.

This can be a hurdle if you need to manage services within your container, especially in development or testing environments. While it might not be the standard practice, there are scenarios where utilizing systemctl inside a Docker container can be beneficial. This article explores practical workarounds for enabling systemctl functionality within your Docker containers.

How to Hardening Ubuntu 24.10 Security

When setting up a new Ubuntu server, security should be a top priority. This tutorial walks you through the essential steps for hardening your server, ensuring its resilience against potential threats.

1. Enabling Automatic Updates

Start by ensuring your server is always up-to-date with the latest security patches. Automatic updates provide a continuous defense against vulnerabilities.

How to Fix Error "No Usable Default Provider" Error in Vagrant on Rocky Linux 9.4

If you're encountering the frustrating "no usable default provider could be found for your system" error while attempting to run vagrant up on Rocky Linux 9.4, you're not alone. This error typically arises from missing dependencies required to build VirtualBox kernel modules, or because VirtualBox isn't being recognized by Vagrant. This guide will walk you through the most common solutions to resolve this issue.

How to Setup TensorFlow on Windows with WSL2 and Visual Studio Code IDE

This comprehensive guide walks you through setting up a robust development environment for TensorFlow 2.17, utilizing the power of Linux tools within the comfort of your Windows environment. We'll use WSL2 (Windows Subsystem for Linux) to seamlessly integrate TensorFlow's native Linux functionality with Visual Studio Code's user-friendly interface.

Wednesday, October 2, 2024

Audacious 4.4.1 Released with Under the Hood Improvements

Audacious, the open-source, cross-platform music player, has released a new update, version 4.4.1. While this release doesn't introduce any groundbreaking new features, it focuses on refining existing functionalities and addressing user-reported issues. This approach, prioritizing polish and improvement, is a welcome change for users who appreciate the stability and reliability of Audacious.

How to Create Wildcard SSL Certificate on Lets Encrypt


Let's Encrypt, a trusted provider of free SSL certificates, offers a convenient solution for this through wildcard certificates. Unlike standard SSL certificates, which secure a single domain, wildcard certificates provide the ability to secure all subdomains under a single certificate. This means you can secure *.example.com, encompassing any subdomain like 'blog.example.com' or 'shop.example.com', without the need for individual certificates.

This article will provide a comprehensive guide on how to obtain and install a Let's Encrypt wildcard certificate, covering all the essential steps and considerations.

How to Create SSH Key on Azure Server

Connecting to virtual machines (VMs) securely without relying on passwords is crucial for managing your infrastructure efficiently. This guide will walk you through the process of generating SSH keys, creating an Azure VM configured to accept them, and finally connecting to the VM using your keys.

Docker Desktop vs Docker Engine

 


Docker has revolutionized the way developers build, ship, and run applications, becoming an indispensable tool for modern software development. This platform, both an open-source project and a platform-as-a-service (PaaS) solution, enables developers to package their applications into self-contained units called containers. These containers offer a consistent and isolated environment, ensuring applications function identically across various platforms, from a developer's local machine to production servers.

How to Transform Your Raspberry Pi into a Powerful Android TV Box

The allure of Android's versatility and vast app library has made it a popular choice for set-top box manufacturers, giving users easy access to streaming giants like Netflix, Hulu, and YouTube. But what if you could build your own Android-powered TV box? With the right tools and a bit of know-how, you can turn your Raspberry Pi into a capable and customizable streaming hub.

This comprehensive guide will walk you through the process of installing Android on your Raspberry Pi and setting it up for a seamless streaming experience.

How to Fix The "dpkg lock is held" Error

The "dpkg lock is held" error, encountered while attempting to install or update software on your Debian-based system, is a common and frustrating issue. This error message signals that a process is actively working with the package database, preventing other processes from modifying it simultaneously. This is essential for maintaining the integrity of your system, but can be disruptive when you're trying to get things done.

Let's explore the causes behind this error and delve into the safe and effective solutions for resolving it.

Intel Z890 Motherboard Released Soon

Intel's upcoming Arrow Lake desktop processors and Z890 motherboards are generating buzz with rumors circulating about their release dates and specifications. A recent post on X by Алексей suggests that motherboard vendors will unveil Z890 motherboards on October 10, with Arrow Lake CPU review embargoes lifting on October 24.

These claims align with earlier rumors indicating Intel's plan to unveil the desktop Arrow Lake chips and the new LGA1851 platform this month. The new platform will directly compete with AMD's newly released Ryzen 9000-series CPUs and X870E/X870 chipset motherboards.

Tuesday, October 1, 2024

Another Texas Healthcare Provider Get Ransomware Attack!

Texas healthcare provider UMC Health System is grappling with the fallout of a ransomware attack that has crippled its IT infrastructure, disrupting patient care and raising concerns about potential data breaches.

The attack, which was discovered late last week, has forced UMC to divert patients to other facilities, impacting its 30 clinics and posing significant challenges for the region's only Level 1 Trauma Center.

128GB of RAM for Under $400? This Deal Is Absolutely Bonkers



For gamers and everyday users alike, the amount of RAM required for a smooth, lag-free experience has steadily climbed over the years. While 16GB has become the standard for most tasks, today's deal offers a ridiculous amount of RAM, enough to power even the most demanding workloads and leave you wondering if you even need this much.

Head over to Amazon and snag a whopping 128GB (4 x 32GB) of Kingston Fury Beast DDR5-5600 RAM for a mind-blowing $374. This is a substantial discount from its original price of $493, making it an absolute steal for anyone looking to future-proof their system with an outrageous amount of memory.

A Chromebook Won't Power On? Here's How to Fix It

A Chromebook refusing to power on can be incredibly frustrating, but before you panic, there are several simple steps you can take to bring it back to life. Here's a comprehensive guide to troubleshooting a non-responsive Chromebook:

1. Check the Power Source

The most common culprit for a dead Chromebook is a simple power issue. Begin by ensuring the charger is securely plugged into your Chromebook and a functioning wall outlet. Look for a small LED light near the charging port – it should illuminate when the device is receiving power. If the light isn't on, try a different outlet or swap out the charger with a known working one.