How to unblock yourself

How to unblock yourself

It’s not uncommon for a software engineer to find themself blocked. The reasons might vary: it could be a high uncertainty, when it’s unclear how exactly to implement the feature; or it could be a tech decision to take having multiple options with their own pros and cons. With this article I want to share the way I take decisions in such cases and how it might help you to unblock yourself.

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How to control ThinkPad P14s fan speed in Linux

How to control ThinkPad P14s’ fan speed in Linux

Recently I got a new laptop for work – Lenovo ThinkPad P14s (Gen 2). I prefer running Linux on my working machines, and this one is not an exclusion. While using it I noticed that the fan speed is sometimes too high for no reason creating undesirable noise. Here’s how to control ThinkPad P14s’ fan speed in Linux using a nice tool – thinkfan.

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Ubuntu 21.10 Impish Indri

Ubuntu 21.10 and acpi-call-dkms bug

If you’re using a ThinkPad laptop with Ubuntu Linux, you might be probably also using a package called acpi-call-dkms. This package installs a kernel module that provides a way for software to do ACPI calls. One of the most popular program to use it – is TLP.

Unfortunately with the latest release of Ubuntu – 21.10 Impish Indri this package is partially broken, as it doesn’t seem to work with Linux kernel 5.13 because of a bug.

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Who stole my Spring Boot system metrics

Who stole my Spring Boot system metrics?!

Recently I’ve spent a lot of time making my team’s Grafana dashboards great again. It was all nice & fun adding domain-specific metrics to the dashboard until I realized that I can’t find any values for Spring Boot system metrics like CPU usage or memory usage. What happened to them? Who stole my system metrics?! Let’s find out.

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