Category Archives: GNU/Linux utils

Various GNU/Linux utilities and their usage examples

FreeBSD: Home NAS, part 14 – logs with VictoriaLogs and alerts with VMAlert
4.8 (5)

28 February 2026

A continuation of the home NAS setup series. Monitoring in general has already been configured in previous parts, but log management still needs to be set up – because doing it in the console with tail -f /var/log/messages is certainly possible – but there are more convenient tools available. We’ll use VictoriaLogs – especially since… Read More »

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FreeBSD: Home NAS, part 11 – extended monitoring with additional exporters
0 (0)

10 February 2026

In the previous post FreeBSD: Home NAS, part 10 – monitoring with VictoriaMetrics and Grafana, we configured VictoriaMetrics, node_exporter, Grafana and created a basic dashboard and basic alerts. Now, I want to add a bit more monitoring – to see process CPU/RAM data, SMART information, and ZFS details. Everything written here has been added to… Read More »

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FreeBSD: Home NAS, part 9 – data backup to AWS S3 and Google Drive with rclone
5 (1)

22 January 2026

In the previous post of the Home NAS on FreeBSD setup series, we got acquainted with restic – a utility for working with backups that supports encryption, snapshots, and change history; see FreeBSD: Home NAS, part 8 – backup of NFS and Samba data with restic. However, in addition to archival data in S3, I… Read More »

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Arch Linux: “mysterious” DNS timeouts and “in search of the Ethernet truth”
5 (1)

20 January 2026

For a couple of months now, my work laptop, a Lenovo ThinkPad T14 Gen 5 running Arch Linux, has been having trouble opening new websites – for the first 10-15 seconds, the site loads in “pieces”, for example: But then it “wakes up”, and everything starts working perfectly: Finally, when I started setting up a… Read More »

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FreeBSD: Home NAS, part 5 – ZFS pool, datasets, snapshots, and ZFS monitoring
5 (3)

27 December 2025

Continuing the “for fun and profit” journey of setting up my home server with FreeBSD on a Lenovo ThinkCentre M720s SFF. And today, finally, we will do the main part – set up a ZFS pool on real disks, look at working with datasets, encryption, snapshots, and monitoring. All posts in this blog series: FreeBSD:… Read More »

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FreeBSD: Home NAS, part 2 – introduction to Packet Filter (PF) firewall
3.7 (6)

24 December 2025

I’m continuing to gradually set up my home NAS on FreeBSD, and the first thing I want to dive into is FreeBSD firewalls. I used to work with IPFW back in the day – FreeBSD: initial setup of IPFW, from 2012. Currently, there are three “built-in” firewalls in the system – Packet Filter (PF), IP… Read More »

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