11-18-2019
The X log files are located in /var/X11/Xserver/logs/. A long listing of the directory looks like this:
-rw-rw-rw- 1 daemon daemon 3313 Nov 8 16:12 X0.log
-rw-r--r-- 1 root daemon 138 Nov 8 16:12 Xstartup.0.log
Again, no error info appears in either of the logs. The X0.log even contains the entry "Fri Jul 5 14:47:58 2019: /usr/lib/X11/extensions/hp7lc2k.1" conveying that the added lines to /etc/X11/X0devices resulted in the hp7lc2k.1 driver being loaded but the USB barcode reader not work together with the keyboard.
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PCSCD(8) PC/SC Lite PCSCD(8)
NAME
pcscd - PC/SC Smart Card Daemon
SYNOPSIS
pcscd [options]
OPTIONS
-a, --apdu
log APDUs and SW using the debug method (see --debug).
-c, --config file
Specifies the file file as an alternate location for /etc/reader.conf.
-f, --foreground
Runs pcscd in the foreground and sends log messages to stderr instead of syslog(3).
-d, --debug
use the lowest log level. Any log message of this level or above will be sent to stderr or syslog(3) depending on the use of --fore-
ground.
--info use info log level. This is the default log level.
--error
use error log level.
--critical
use critical log level.
The log levels are ordered as: debug < info < error < critical. Use a log level l will log this level and all the levels above it.
-h, --help
Displays information about the pcscd command line
-v, --version
Displays the program version number
-H, --hotplug
Ask pcscd to rescan the USB buses for added or removed readers and re-read the /etc/reader.conf file to detect added or removed non-
USB readers (serial or PCMCIA).
DESCRIPTION
pcscd is the daemon program for pcsc-lite and the MuscleCard framework. It is a resource manager that coordinates communications with smart
card readers and smart cards and cryptographic tokens that are connected to the system.
pcscd is normally started at boot time from /etc/init.d/pcscd. It allows applications to access smart cards and readers without knowing
details of the card or reader.
pcscd coordinates the loading of drivers for card readers.
The purpose of pcsc-lite is to provide a cross compatible API (called winscard) for migrating Windows based PC/SC applications to Unix.
At startup, pcscd loads the smart card reader drivers specified in the /etc/reader.conf file (or specified using --config file).
SERIAL SMART CARD READER DRIVERS
Smart card reader drivers are placed in the /usr/lib64/readers directory. Each driver is simply an .so file. pcscd locates the driver
using the /etc/reader.conf file. See the reader.conf(5) manual page for more information. Drivers are available at http://www.muscle-
card.com/drivers.html.
USB SMART CARD READER DRIVERS
USB smart card reader drivers are located in /usr/lib64/readers directory as a bundle. You shall not add a USB driver in /etc/reader.conf
file.
FILES
/etc/reader.conf : Reader configuration file
/etc/init.d/pcscd : pcscd startup script
/var/run/pcscd/pcscd.pid : process id of the running pcscd
/usr/lib64/readers : directory containing bundles for USB drivers
SEE ALSO
bundleTool(8), reader.conf(5), syslog(3)
AUTHORS
David Corcoran <corcoran@musclecard.com> and Ludovic Rousseau <ludovic.rousseau@free.fr>
Muscle January 2007 PCSCD(8)