Posted: 2023-04-02 19:23:47 by Alasdair Keyes
I recently installed python-validity (https://github.com/uunicorn/python-validity) and open-fprintd (https://github.com/uunicorn/open-fprintd) to get the fingerprint reader working on a Thinkpad T480s. (The standard fprintd package doesn't support the fingerprint reader device on the T480s).
After setting it up I noticed a lot of debug information in
syslog (example truncated)...
Apr 2 09:11:00 hostname01 open-fprintd: >tls> 17: 4b00000b0053746757696e64736f7200 Apr 2 09:11:00 hostname01 open-fprintd: >cmd> 1703030050c00a...a82185cc9399d30625ee3c1451f Apr 2 09:11:00 hostname01 open-fprintd: <cmd< 1703030050b7a4a...cdb0d7f97fa67b6337329 Apr 2 09:11:00 hostname01 open-fprintd: <tls< 17: 0000030002000b00000...6757696e64736f7200
To disable debug without changing the installed systemd files, run the following to create a custom
open-fprintd.service file to override it.
sed 's/\(ExecStart.*\)\-\-debug\(.*\)/\1 \2/' /lib/systemd/system/open-fprintd.service > /etc/systemd/system/open-fprintd.service
After a reboot it'll stop spewing that data out.
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© Alasdair Keyes
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