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Controladores de gestión BMC expuestos en internet: 36.872 servicios IPMI accesibles por UDP 623
8 min read

There is another computer inside your server, and 36,872 of them are on the internet

A scan published on 29 July 2026 found 36,872 management controllers (BMCs) listening on the internet over UDP/623, and 24,650 of them hand out material derived from the account password before anyone logs in. This is not a new CVE: it is CVE-2013-4786, a flaw in the IPMI 2.0 specification itself, dating from 2004, which Dell acknowledges has no patch. The numbers, why a factory password falls in between 32 seconds and one hour, why your EDR will not see it and the six steps to close the management plane of your hardware.

Hardware Datacenter Cybersecurity
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Zabbix 8.0: análisis de qué cambia de verdad en la próxima LTS de monitorización
8 min read

Zabbix 8.0: what actually changes and what is still a slide

Zabbix 8.0 is the next LTS and half the industry already writes about it as if it were installed. As of 30 July 2026 the latest published artefact is beta 2, dated 9 July, and in the official container registry 8.0 is called trunk. Which features are really in the official release notes (native JSON up to 128 MiB, ClickHouse as a history backend, c-ares with DNS caching), what is still only roadmap (OpenTelemetry, complex event processing, mobile app, proxy permissions) and where the real bill for the upgrade sits: the database minimums and the removed macros living inside your alerts.

Zabbix Monitoring Open Source
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Proxmox VE 8 llega a su fin de soporte en agosto de 2026
8 min read

Proxmox VE 8 runs out of patches in August: why we won't upgrade on the 30th

The lifecycle table in Proxmox's official documentation puts the end of life of the 8 branch in August 2026. Just over thirty days are left, and the typical reaction is to block out a weekend and jump to 9. Our stance is the opposite: there are six situations where upgrading this August is a worse idea than being late. The live-migration asymmetry that turns your rollback into a restore, why Ceph means two windows and not one, the containers with old systemd that will not start, and a realistic split of the thirty days left.

Proxmox Virtualization Infrastructure
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Fatiga de alertas: cómo montar una monitorización que avisa de lo que importa
8 min read

Your monitoring is not broken: it is shouting

An organisation receives an average of 2,992 security alerts a day and 63% of them go unaddressed, according to Vectra AI's 2026 count. The interesting part is that the volume has been falling for three years and the unaddressed share has not moved. Filtering harder does not fix it, because the problem was never how many alerts arrive: it is how many arrived with an owner and an action written next to them. How we prune monitoring that shouts, what wakes us at three in the morning, and what waits for the morning report.

Monitoring Zabbix 24/7 Support
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Subida del precio de la memoria DRAM y NAND en 2026 por la demanda de centros de datos de IA
8 min read

AI took the RAM: what to do with your 2026 hardware plan

TrendForce forecast second-quarter contract price rises of 58% to 63% for conventional DRAM and 70% to 75% for NAND. In one quarter, with nothing inside your company to explain it. Why the big cloud providers are hedged by multi-year contracts and you are not, how this lands in your refresh plan, what to check before signing a purchase order, and how long it lasts — with dates.

Hardware Infrastructure Datacenter
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Despliegues reproducibles con Docker Swarm y GitOps: latest no es una versión
7 min read

"latest" is not a version: three lessons from deploying our own website with Docker Swarm

The pipeline went green, the webhook returned 200, and the site kept serving the old content. Three real lessons from our GitOps CI/CD on Docker Swarm: why the orchestrator does not chase your tag and what it takes for a redeploy to actually redeploy, why a linter is not a test (and the smoke test that saved our blog index), and the "zero downtime" our own file claimed but never delivered with a single replica.

Docker DevOps Infrastructure
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SD-WAN multi-sede: cuándo compensa y cuándo sobra
5 min read

SD-WAN yes, but not everywhere: when it pays off and when it's overkill

Gartner predicted that by 2026, 70% of enterprises would have SD-WAN. We deploy it — and even so, more than once we have recommended against it. What problem it actually solves, when it pays off (changing sites, two transports, suffering applications), when two lines and WireGuard do the job, and the costs that never show up in the demo: the forever license, the orchestrator as a dependency and the complexity that doesn't disappear — it relocates.

SD-WAN Networking Infrastructure
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Colocation vs cloud público: la cuenta a cinco años, con el caso 37signals
8 min read

The cloud isn't expensive: it's expensive for the wrong workload. Colocation vs public cloud, with the math done

37signals was paying $3.2 million a year for cloud, bought $700,000 of servers and recouped them in the first year; in 2025 it announced moving its 18 PB out of S3. Meanwhile, worldwide cloud spending keeps growing at a 20% annual clip. Both things are true: the difference is who does the math. Which workloads overpay in the cloud, when the cloud still wins, and the five-year colocation math, line by line.

Colocation Cloud Datacenter
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