components Archives

AppWizard

June 4, 2025

While tinkering with an old typewriter, this gamer managed to build a real gaming PC capable of running Minecraft.

A gamer transformed an old typewriter into a fully functional gaming PC capable of running Minecraft. The project involved using an H110 motherboard, an Intel i5-6600 processor, a 4GB DDR4 memory module, a GT635 graphics card, a 240GB SATA SSD, a 200W SFX power supply, and a WiFi card. The components were integrated into the typewriter's chassis using hot glue, and the original keyboard was modernized with an Arduino Leonardo microcontroller to make it compatible with PCs. The project received positive feedback on Reddit, highlighting its creativity and eco-friendly approach.

AppWizard

June 4, 2025

Massive Sonic Racing CrossWorlds Leak Reveals TMNT, SpongeBob, Avatar, and Minecraft Crossovers With Full Gameplay Footage

A leak regarding Sonic Racing: CrossWorlds has revealed crossover content featuring franchises such as Teenage Mutant Ninja Turtles (TMNT), Avatar: The Last Airbender, SpongeBob SquarePants, and Minecraft. The TMNT content includes a "Pizza Van" in four color variants and a themed race track set in New York City. Avatar content features Aang on a hoverboard and a "Bending Gates" mechanic for elemental powers. Minecraft is represented with a character selection menu hinting at a Minecraft-style character and themed vehicles. SpongeBob SquarePants will also be a playable racer with a unique vehicle and track. The leaks confirm the presence of TMNT, Avatar, and Minecraft, with potential for more franchises to be announced. Sonic Racing: CrossWorlds is expected to launch later this year.

AppWizard

June 3, 2025

This Real-Life Minecraft Compass Points the Way to the Nearest Lodestone

Minecraft has evolved over 15 years from a basic game to a complex platform that allows players to craft advanced tools, including a compass that can guide them to specific locations. Chaosgoo has created a DIY compass that replicates the in-game compass in real life, allowing users to set destinations via a companion app. The compass uses a custom printed circuit board (PCB) featuring an ESP32-C3-MINI microcontroller with Wi-Fi and Bluetooth, a USB connector, a lithium battery charger, and a digital compass. It includes 42 individually addressable RGB LEDs and a light diffuser that creates a voxel-like appearance for the compass needle. The device is designed for 3D printing and is portable. Documentation for building the compass is primarily in Chinese, but resources are available on MakerWorld, OSHW Hub, and GitHub.

AppWizard

June 2, 2025

Preinstalled Android Apps Found Leaking PINs and Executing Malicious Commands

On May 30, 2025, CERT Polska disclosed three security vulnerabilities affecting preinstalled Android applications on Ulefone and Krüger&Matz smartphones: CVE-2024-13915, CVE-2024-13916, and CVE-2024-13917. - CVE-2024-13915: The com.pri.factorytest application allows any app to invoke the FactoryResetService, enabling unauthorized factory resets due to improper export controls (CWE-926). - CVE-2024-13916: The com.pri.applock application exposes a public method that allows malicious apps to steal the user’s PIN, representing an exposure of sensitive system information (CWE-497). - CVE-2024-13917: The exported activity in com.pri.applock allows privilege escalation by enabling malicious apps to inject intents with system-level privileges if they have access to the compromised PIN (CWE-926). Users of affected devices are advised to seek firmware updates or mitigations from their vendors.

AppWizard

June 2, 2025

Vulnerabilities in Preinstalled Android Apps Expose PIN Codes and Allow Command Injection

Significant vulnerabilities have been identified in pre-installed applications on Ulefone and Krüger&Matz Android smartphones, disclosed on May 30, 2025. Three vulnerabilities affect these devices, including CVE-2024-13915, which targets the com.pri.factorytest application, allowing unauthorized factory resets. CVE-2024-13916 and CVE-2024-13917 affect the com.pri.applock application on Krüger&Matz smartphones, enabling malicious apps to extract user PIN codes and inject arbitrary intents. These vulnerabilities stem from improper export of Android application components, allowing malicious applications to bypass Android’s permission model. Users are advised to check for updates and consider disabling vulnerable applications.

Tech Optimizer

June 2, 2025

Postgres Pro OpenTelemetry сollector

Alexey has developed the pgpro-otel-collector, an OpenTelemetry collector by PostgresPro, designed to gather metrics and logs from PostgreSQL databases. It collects PostgreSQL metrics using an internal metrics library, OS-level metrics such as CPU and memory usage, and PostgreSQL logs in CSV and JSON formats. The collector includes internal processors for batch processing and supports exporting to OTLP-compatible backends like Elasticsearch and Prometheus. Installation is straightforward, requiring configuration of the Postgres connection and data destination. The collector can gather a range of PostgreSQL statistics and supports advanced features like CFS and pg_wait_sampling. Future enhancements include support for additional system views, integration with Shardman and BiHA, collection of custom query-based metrics, and a Grafana dashboard. Alexey's background includes experience with various monitoring tools and a focus on PostgreSQL, leading to the creation of this collector.

Tech Optimizer

June 2, 2025

Hackers Allegedly Selling Windows Crypter Claims Bypass of All Antiviruses

Underground cybercriminal forums are seeing an increase in advanced malware tools, including a Windows crypter that claims to bypass major antivirus solutions. This crypter is marketed as fully activated and capable of achieving Full Undetectable (FUD) status against contemporary antivirus engines. It employs advanced obfuscation techniques to evade detection, including code injection methods, entropy manipulation, and anti-debugging features. The tool allows for granular control over obfuscation parameters, enabling customization for specific target environments. The rise of such sophisticated evasion tools poses challenges for traditional endpoint security, making organizations vulnerable if they rely solely on signature-based antivirus solutions. To defend against these threats, organizations should adopt multi-layered security architectures, including behavioral analysis and endpoint detection and response (EDR) solutions.

Tech Optimizer

June 1, 2025

Supercharging vector search performance and relevance with pgvector 0.8.0 on Amazon Aurora PostgreSQL

The Amazon Aurora PostgreSQL-Compatible Edition has integrated support for pgvector 0.8.0, enhancing vector search capabilities significantly. This version achieves up to 9x faster query processing and delivers 100x more relevant search results compared to previous iterations. Key improvements in pgvector 0.8.0 include: - Up to 5.7x improvement in query performance for specific patterns. - Introduction of the iterative_scan feature, enhancing recall for filter queries requiring approximate nearest neighbor (ANN) index searches. - Improved cost estimation for more efficient query planning, allowing the selection of traditional indexes for complex filtered searches. - Flexible performance tuning with two modes for iterative_scan: relaxed_order and strict_order. Previous versions faced challenges with overfiltering, where combining vector similarity search with traditional SQL filters resulted in fewer results than expected. The HNSW indexing algorithm accelerates vector similarity searches by creating a multi-layered graph structure for efficient navigation. Iterative index scans in pgvector 0.8.0 improve query reliability and performance by applying filters during the scanning process, reducing false negatives and enhancing performance. The configuration options for iterative scanning include off, strict_order, and relaxed_order, with relaxed_order providing the best balance between performance and accuracy. In performance tests, pgvector 0.8.0 demonstrated substantial improvements across various query patterns, with significant enhancements in result completeness and recall. The database can now efficiently handle enterprise-scale applications, such as e-commerce and recommendation systems, with high performance and result quality even as product catalogs expand. Best practices for deploying pgvector 0.8.0 include using HNSW with recommended parameters, creating additional indexes on commonly filtered metadata columns, and tuning query parameters based on specific use cases. Operational best practices involve using Graviton4-based instances for optimal performance, monitoring and tuning slow vector queries, and considering partitioning for very large tables.

AppWizard

June 1, 2025

Painkiller RTX is a path-traced upgrade to a classic but almost forgotten shooter

Nvidia's RTX Remix is a tool that allows game modders to enhance classic PC games with path-traced visuals. One notable project is the transformation of the 2004 game Painkiller into Painkiller RTX, currently at version 0.1.6. This project utilizes a custom rendering technology called PainEngine, replacing the original Direct X 8.1 rendering with a path tracer, resulting in improved visuals such as real-time shadows and moving lights. The gameplay retains its fast-paced action focus, with enhanced mechanics through Havok physics, allowing for dynamic interactions with the environment. Painkiller RTX features significant upgrades in lighting, including dynamic lighting that interacts with moving objects and improved texture quality using Quixel megascan assets. However, the path-tracing technology requires robust hardware for optimal performance, and even mid-range GPUs like the RTX 4060 may struggle with frame rates during intense gameplay.

Winsage

June 1, 2025

Microsoft has been working on CorePC for years, but what is it?

CorePC is an initiative by Microsoft aimed at overhauling the existing monolithic NT architecture of Windows, which has been in use since the 1990s. It seeks to implement a modular framework that allows for customized builds tailored to specific user needs, moving away from the "one size fits all" model. CorePC will introduce state separation of OS components on distinct partitions, enhancing security and streamlining updates. The initiative is expected to reduce system bloat and may lead to the revival of Windows-powered smartphones and tablets with better ARM processor integration. An official launch date for CorePC is not yet available, but it is anticipated to be part of the successor to Windows 11.