Monthly Archives: May 2026

MikroTik: User Management, access permissions, and SSH
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23 May 2026

Time to finally write up MikroTik and Users Management – this one’s been sitting in drafts for ages, and while I’m at it, I’ll also set up SSH key authentication. Let’s walk through the main concepts and settings of Authentication, Authorization, Accounting in MikroTik – groups, policies, and users. What we have and what needs… Read More »

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VictoriaTraces: Recording Rules, Metrics, and Alerts from Trace Spans
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22 May 2026

VictoriaTraces – just like VictoriaLogs – supports Recording Rules (see VictoriaMetrics: Recording Rules for AWS Load Balancer logs) for traces, because traces are essentially the same logs, just structured differently. And since we have Recording Rules – we can build metrics out of logs for alerts and Grafana dashboards. Although this actually isn’t the best… Read More »

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Arch Linux: a DNS Mystery – VPN, systemd-resolved, and Unbound
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21 May 2026

I’d been wrestling with the problem of accessing AWS EKS from the office for a long time – finally lost my patience and figured it out 🙂 Here’s the problem: there’s an AWS EKS cluster with both Public and Private endpoints for the API. Working from my office laptop, sometimes requests to it go through… Read More »

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VictoriaTraces: Tracing, Observability, and OpenTelemetry
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19 May 2026

On the project, we’ve gradually grown to the point where it’s time to have proper tracing – to build real observability, not just monitoring. A long time ago I did something similar with Jaeger – a monster, and it kind of stayed in my drafts from 2019 or 2020. Since right now our entire stack… Read More »

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OpenTelemetry: OTel Collectors in Kubernetes and VictoriaMetrics Stack integration
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16 May 2026

Today let’s talk about how to run OpenTelemetry in Kubernetes and integrate it with the VictoriaMetrics stack – VictoriaMetrics for metrics, VictoriaLogs for logs, and VictoriaTraces for traces. Actually, this post wasn’t planned at all, and once a draft did appear – it was supposed to be the third in the series, but in the… Read More »

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Arch Linux: WireGuard Peer for Connecting to MikroTik
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8 May 2026

In the post MikroTik: setting up WireGuard and connecting Linux peers I described how to set up MikroTik as a VPN Hub and connect a peer running on Debian Linux. Setup on Arch Linux is mostly the same as on Debian – but every time I end up digging through this blog and my other… Read More »

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FreeBSD: Jails Networking and Container Management with Bastille
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4 May 2026

Sometimes on FreeBSD you need to run services that aren’t officially supported by FreeBSD, and this post actually came about because I was installing Open WebUI on my NAS – and Open WebUI was easier to set up on Linux. So I spun it up in a FreeBSD Linux jail, and to create the container… Read More »

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