Part 141: Monitor SD cards for their failure

Hint to this blog post came from my Forcepoint colleague -- today I visited our Helsinki office after a long break and looks like that at least one of my colleagues follows my blog. With Raspberry Pi and any device using SD cards, there's this real fear of sudden hardware failure of the said SD card. Writing lots and lots of data to them will eventually make them go bad. But can you predict that with Zabbix? Of course you can!

Part 140: Monitor Tailscale with Zabbix

Currently with my home ISP, no ports are open from the outside world to my home, and that's a pretty tight rule. 

Luckily, Tailscale allows me easy access to my selected devices from anywhere I may roam. Using Tailscale requires an account, but at home and smaller scale is free to use. There would also be self-hosted Headscale, but for now I'm using Tailscale as it was so easy and fast to take into use.

Part 139: Bad Apple but it's Zabbix

Bad Apple animation is like Doom, it runs on everything and everywhere. It's been ported to C64, Amiga, Atari ST. It's been running inside Minecraft in few different ways. It's been ported to physical world. 

Let's vibe code

The other day I installed OpenAI's Codex to my personal MacBook. Little did I know what would happen if I would prompt it to create a custom Zabbix 7.0 widget which brings Bad Apple meme to life on Zabbix. 

Part 138: Monitor OpenWrt with Zabbix

I had an Asuswrt-Merlin based home router for many years. However, my trusty ASUS RT-AX68U started to misbehave badly -- most of the CPU time spent on I/O wait for no clear reason, dropping especially 2.4 GHz connections and more. 

I then stumbled upon a very affordable ASUS RT-AX59U.Not the latest and greatest, but it had something I wanted: good support for OpenWrt. It was time for me to try out something else than Asuswrt-Merlin just to be different.

Part 137: See recurring incidents, MTRR and more

Would you like to be able to tell your manager much faster how often some alert happens and how rapidly that particular alert usually gets resolved? How about how often the alert has happened during the past 30 days compared to previous 30 days? I have great news for you!

Part 135: Cannot see that light

This post is very much related to my previous post -- how our kid now excitedly turns our lights on and off from wall switch. Before the phase we are now living through, our lights were managed either automatically or through Cozify app, so we could put whatever scene would be suitable on, to turn on multiple lights with the brightness level and color we want.

Part 134: Use Zabbix to observe when kid wakes up

Let's get back to the roots of this blog for a moment -- to monitor what's happening in our home.

To fully understand what's happening in this blog post, I'll explain the morning routine of our 3+ year girl. 

Over the past few weeks, when she wakes up some time after 06:00 before us, she comes out from her room and turns on our living room ceiling light from the wall switch. That light of course is an IoT light bulb, a Philips Hue, so I get to graph that nicely with Zabbix.

Part 133: Some proper train-ing material

This blog post again belongs to topic I spoke about back in Zabbix Summit 2025 -- how do I monitor my nearby environment with Zabbix and how it can help planning my day.

You probably know how annoying it would be to go to train station, only to find out that your train has been cancelled, badly delayed or that you just missed the train for some reason. Zabbix to the rescue!

Let's monitor if

  • my train is on time
  • if it is not, how badly it is delayed
  • or worse, if the train is cancelled

And more.  But how do we even start?

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