How I Used SIGUSR1 To Avoid Python Process Conflicts
Posted on Sat 28 February 2026 in Tutorial • Tagged with Python, IPC, SIGUSR1, Update-Station
Lately I was looking at a solution to avoid update-station check-now starting a new process that could potentially clash with the tray process. I learned how to use SIGUSR1 for IPC to avoid starting a second instance of Update Station when doing a check-now for updates.
The Problem
Update Station …
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