Monitoring GoToSocial using collectd and VictoriaMetrics

       1251 words, 6 minutes

Some time ago, I adopted VictoriaMetrics as a replacement for Prometheus; which was already replacing InfluxDB. And recently, I realized that GoToSocial was exposing metrics in Prometheus format . So I decided to build a Grafana dashboard to keep an eye on my GtS instance.

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Install and isolate apps using Firejail on Slackware

       2036 words, 10 minutes

Since I started using other Desktop OS than OpenBSD, I’m obsessed with limiting filesystem resources access from applications; especially Web browsers. This already applied to FreeBSD Web browsers here and there . This now has to be applied to Linux.

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Rendering static images from Grafana

       700 words, 4 minutes

When it comes to rendering graphical representation of all the metrics I gather, I generally use RRDtool . Yes, I’m that old ;-) But I also have a Grafana instance from which I render stuff that can’t be done using RRDgraph. But, so far, I couldn’t generate a static PNG file from a panel to insert in a static web page. But this was until I found the Grafana Image Rendered plug-in.

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OpenBSD and Thunderbolt issue on ThinkPad T480s

       253 words, 2 minutes

As I was testing OpenBSD on my refurbished ThinkPad T480s, I noticed that the fan kept blowing even though the laptop was IDLE. Given that I am a vigilant reader of misc@ , I already knew a few ThinkPads had been reported to be sluggish because of some BIOS settings regarding Thunderbolt.

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Web Browser in FreeBSD Jail: Librewolf

       1177 words, 6 minutes

While discovering FreeBSD Jails, I wrote on how to run a web browser inside a FreeBSD jail . Time has passed and a couple of testing later, I ended up changing a bit the way I use my Web Browser jails.

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