Articles written by someone who has hands on hardware every day. Real builds, real industrial networks, hardware that breaks in real life. No marketing.
El Capitan, Sierra, High Sierra or Mojave that won’t install: it isn’t obsolescence, it’s a certificate that expired on Oct 24, 2019 or a wrong clock. Apple’s re-signed download, the date command and a per-version date table.
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Overvolting PSU with no PG signal, corroded RX 5700 XT and random restarts with no blue screen. Diagnosis, replacements and migration to a new case.
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An honest gallery of the PCs I've built over the last few years — gaming, workstation and office. Real photos, no renders, no retouching.
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How we bridged a German industrial woodworking machine with the design office at a different site — Ethernet on the floor, site-to-site VPN over the wire.
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TBW, DWPD, power-loss protection and why putting a Samsung 870 EVO into a 24/7 server ends in tears. Comparison table and use cases where the premium is justified.
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A well-treated HDD lasts 8–10 years; an SSD can die overnight with no warning. When to choose each, why NAS units still use mechanical drives, and when SSD is the only option.
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Why a ThinkPad T-series costs double an IdeaPad with nearly identical specs. MIL-STD, Intel vPro, chassis durability and real-life office lifespan.
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The most underestimated component when building a PC. Why a generic $30 unit can fry your board, what "80 Plus Gold" actually means and how to size wattage without overpaying.
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"Aren't you the printer guy?" Sure. And also the one monitoring servers, patching, and containing ransomware. With an infographic.
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Why 60% of SMBs that suffer ransomware close within 6 months. 3-2-1 rule, RTO/RPO, immutable backups and recovery planning.
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How an independent advisor translates business needs, evaluates vendor proposals and supervises projects to avoid overcosts and failures.
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CAPEX vs OPEX, latency, data sovereignty and real SMB cases. Why many companies are repatriating workloads from cloud — and when migration does pay off.
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Real case, how to hold a laptop correctly to avoid this common damage, models most prone and which ones hold up better.
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Contention, SLA, symmetric vs asymmetric, static IP. Why 50 Mbps dedicated can beat 500 Mbps residential — and when residential is enough.
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Why your ISP router isn't enough, what really makes a good AP, how to design coverage, and a comparison of Ubiquiti, TP-Link Omada, Aruba, MikroTik and Mercusys.
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MFA, password management, patching, segmentation, least-privilege, training and the 10 controls that prevent 90% of incidents.
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Inkjet, EcoTank, mono laser, color laser, dot-matrix, thermal, multifunction. Which fits home, office, school or industry — without falling for the cost-per-page trick.
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What free software gives society, comparison vs closed software and patents, how the world would look if everything were proprietary, and real use cases.
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Windows, macOS, Linux (Ubuntu, Mint, Debian, Fedora, Arch), BSD, ChromeOS. Pros, cons and clear recommendation by user profile.
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Common bad practices, when they do work, which brands to buy and how to detect fake USBs with inflated capacity before losing your data.
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How to pick CPU, GPU, RAM, SSD, motherboard, PSU and case. 6 budget tiers (office, student, gaming 1080p/1440p/4K, workstation, enthusiast), cross-compatibilities and common mistakes.
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Asterisk/FreePBX/Issabel vs hardware SIP PBX (Yealink, Grandstream, Cisco) vs cloud PBX (3CX, RingCentral). Use cases by company size, real CapEx vs OpEx costs, and common mistakes.
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What NOT to do when a drive fails, how to tell logical from physical failure, real tools (TestDisk, PhotoRec, R-Studio), when to send the drive to a clean-room lab and cost ranges.
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From a clone PC with 8 MB of RAM in 1998 to providing IT support, development and automation for the notarial, marine-port, construction and other sectors. With forums, overclocking, ransomware, notary offices, catamarans and a lot of curiosity.
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