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2.11. The PC Card Daemon
The
pcscd daemon is used to manage connections to PC and SC smart card readers. Although pcscd is usually a low priority task, it can often use more CPU than any other daemon. This additional background noise can lead to higher pre-emption costs to real-time tasks and other undesirable impacts on determinism.
Procedure 2.10. Disabling the pcscd Daemon
- Check the status of the
pcscddaemon.systemctl status pcscd
~]# systemctl status pcscd pcscd.service - PC/SC Smart Card Daemon Loaded: loaded (/usr/lib/systemd/system/pcscd.service; static) Active: active (running) …Copy to Clipboard Copied! Toggle word wrap Toggle overflow - If the
pcscddaemon is running, stop it.systemctl stop pcscd
~]# systemctl stop pcscdCopy to Clipboard Copied! Toggle word wrap Toggle overflow - Ensure that
pcscddoes not restart on boot.systemctl disable pcscd
~]# systemctl disable pcscdCopy to Clipboard Copied! Toggle word wrap Toggle overflow