I have Fedora 36 installed on my laptop. Recently I’ve been using it a lot with a Bluetooth headset and noticed that sometimes WirePlumber creates high CPU usage. Turns out it was happening when the system was switching the Bluetooth profile for the headset from HSP to A2DP and backwards. There is a fix for that issue, but it is not yet available in Fedora’s repos. If you’re having the same issue, here’s how to fix it.
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Update: the guide works for Fedora 36/37/38.
Before Fedora 36 it was a bit problematic to automatically sign kernel modules the same way Ubuntu does that. But starting with this release, you can do that in just a few easy steps. Here’s how to automatically sign NVidia kernel module in Fedora 36.
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If you’ve migrated to Fedora from Ubuntu and you have Secure Boot enabled, you might have noticed a significant difference between the 2 distros: Fedora doesn’t automatically sign NVidia kernel module like Ubuntu does. This article is to help you make Fedora as comfortable to use as Ubuntu is in that regard.
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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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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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