Use examples to introduce the basic syntax, project structure, target definition and common templates of CMake to help C/C++ beginners quickly build maintainable construction projects.
The system explains the 8 input and output modes of STM32, PY32 and other microcontroller GPIOs, explaining the applicable scenarios of push-pull, open-drain, pull-up and pull-down, multiplexing functions and analog input.
Organizes the basic process of installing pyOCD, connecting the J-Link debugger and identifying the target chip under Ubuntu 24.04, and adds common permissions and driver issues.
Compare the speed and image quality of CPU, integrated graphics and independent graphics encoders when transcoding FFmpeg to H.265, and sort out common parameters and hardware acceleration test results.
Record the use of smartctl and storcli64 in the Ubuntu server to check the hard disk status of the LSI array card, locate the faulty disk, and complete the maintenance process of hot-swap replacement.
Explain the reason why vgextend reports Devices have inconsistent logical block sizes, and provide checking disk sector size, LVM planning and alternative solutions.
LVM (Logical Volume Manager) is a Linux disk management mechanism that adds a logical layer between physical disks and file systems for flexible capacity management.
MP3 encoding modes and practical ffmpeg commands.
A practical guide to correctly hot-swapping drives and reducing the risk of hardware damage.
A quick comparison of common memory module types and ECC support.
Practical method for understanding and calculating crystal matching/load capacitance.
inpaint-web is a completely free and open-source tool for image repair, watermark removal, and image enhancement, with no usage limits and fast processing.
A MOSFET-based automatic dual-input power switching circuit with very low voltage drop.
Quick reference for common Wi-Fi channel ranges in 2.4 GHz and 5 GHz sub-bands.
Different MIBIB variants match different firmware families. Flashing the wrong combination may brick the router.
USB mode switching, AP setup considerations, and filesystem compression tuning for small-storage OpenStick devices.
Decode Samsung MLCC ordering codes by field.
Record the compilation process of Debian system firmware for portable WiFi devices, including source code preparation, kernel and rootfs construction, flash verification and common problems.
Comparison notes for LSI SAS generations and pass-through capability.
Compile common motherboard specifications and size data, including ATX, Micro-ATX, Mini-ITX and other board types, to facilitate chassis selection, installation and hardware structure design.
Hands-on notes for a low-price HC620 14TB host-managed drive (HSH721414ALE6M0).
A short record of resetting RAID disks with mdadm on Ubuntu 22.04, including stopping the array, clearing metadata, rescanning disks, and the main risk points.
Build notes for a low-cost 256GB ECC workstation based on HP Z440 board and Xeon platform.
A quick way to confirm whether Certbot automatic renewal will work before the certificate really expires.
Use Synology NAS as a lightweight Git server and configure Hyper Backup to protect the repositories.
How to flash an IBM M5110 with SAS2308 firmware and convert it into an LSI 9207-8i IT-mode passthrough HBA.
Troubleshooting notes for laptops that continue draining battery after the lid is closed.
Summary of Backblaze Q2 2022 drive reliability data.
A practical walkthrough for building custom OpenWrt firmware for the Redmi AX6S, enabling telnet access, uploading the firmware, and flashing the router.
A brief explanation of Sybil attacks and why identity cost matters in distributed systems.
Compiled Backblaze's 2022 Q1 hard drive failure statistics and extracted the failure rate performance of different brands and models for reference in NAS and server hard drive selection.
A quick reference for the Intel ATX12VO power connector and how it differs from traditional ATX power supplies.
A quick explanation of PCI-E 6-pin and 6+2-pin auxiliary power connectors for graphics cards.
PCI Express, also known as PCI-E and officially abbreviated as PCIe, is an important computer bus standard. This article lists the PCI Express connector pinout.
Key points from Intel ATX 3.0 related to transient response and new GPU power interface.
Configure static IP for Mellanox Infiniband interfaces using netplan.
Notes on a second-hand non-isolated DC buck module that converts 12V to 5V.
How to check and switch Mellanox port link-layer modes.
A practical comparison of isolated and non-isolated power supplies and when each type is suitable.
A script-based approach for translating long Markdown files while preserving front matter and syntax.
Improved V2 workflow for translating full Markdown documents.
Use GoAccess to visualize Nginx access logs in real time.
Connect two LAN segments in different locations through WireGuard on OpenWrt routers.
Install GNU screen on older Synology environments.
Practical notes on common Google Translate request parameters.
How Hugo permalink settings affect URL structure and SEO.
A Python and Beautiful Soup example for extracting HTML meta keywords, description, and related metadata for page analysis or content migration scripts.
Steps for installing Erlang on Ubuntu 20.04 with apt, including repository preparation, installation commands, and version verification.
Record the basic steps and verification methods for configuring RDMA and NVMe over Fabrics using HP 544+ FLR-QSFP network card in Ubuntu 20.04.
A Linux server shutdown script idea that reacts to UPS status after a power outage to reduce data corruption and service failures.