All posts by Michael Albert

Linux: Enable i2c kernel tracing

Hi,

when you want to see whats happened on the i2c bus on an raspberry pi you can enable tracing with debugfs.

Get root and mount debugfs. This is usually already mounted in raspbian

michael@debdev ~ # sudo su
root@debdev ~ # mount -t debugfs none /sys/kernel/debug

Continue reading Linux: Enable i2c kernel tracing

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Windows: Enable Windows Subsystem for Linux

Hi,

these are the steps to enable WSL (2) on Windows 10 >= 2004.

Open Powershell with administrator permissions (right click) and install the features VirtualMachinePlatform and Microsoft-Windows-Subsystem-Linux.
Continue reading Windows: Enable Windows Subsystem for Linux

Windows: Cannot uninstall Store App. Error: Exception from HRESULT: 0x80073CFA

Hi,

if you want to uninstall some preinstalled store apps you get an error “Deployment failed with HRESULT: 0x80073CFA, Removal failed. Please contact your software vendor.”

This error could happen if the App is not correctly registered.
Continue reading Windows: Cannot uninstall Store App. Error: Exception from HRESULT: 0x80073CFA

Tasmota: Build your own tasmota firmware

Hi,

if you want to use Conditional Rules in tasmota you have to built your own firmware, because Conditional Rules are not included in the precomplied binaries.

Continue reading Tasmota: Build your own tasmota firmware

Linux: ssh error “too many authentification error”

Hi,

if you cannot logon to a linux machine and you got an error:

ssh - too many authentification failures
ssh – too many authentification failures

Continue reading Linux: ssh error “too many authentification error”