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67 lines
1.6 KiB
Groff
67 lines
1.6 KiB
Groff
.TH UDEVINFO 8 "January 2004" "" "Linux Administrator's Manual"
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.SH NAME
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udevinfo \- retrieve information from udev
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.SH SYNOPSIS
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.B udevinfo
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.RI "[\-q " query_type " \-p " sysfs_path "] [\-drVh]"
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.SH "DESCRIPTION"
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.B udevinfo
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allows users to query the udev database for information on any device
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currently present on the system. It also provides a way to query any device
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in the sysfs tree to help creating
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.B udev
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rules.
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.SH "OPTIONS"
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.TP
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.B \-V
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Print the version information.
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.TP
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.B \-r
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Print the
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.B udev_root
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directory. When used in conjunction with a query for the node name or the
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symlink names, the
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.B udev_root
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will be prepended to query result.
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.TP
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.BI \-q " query_type"
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Query the database for specified value of a created device node or network
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interface.
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.RB Needs " \-p " or " \-n " specified.
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.br
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Valid types are:
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.BR name ", " symlink ", " path " or " all.
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.TP
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.BI \-p " sysfs_path"
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Specify the sysfs path of the device to query.
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.TP
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.BI \-n " name"
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Specify the name of the node, the symlink or the network interface for the
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device to query. Partition names generated with the NAME{all_partitons} option
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can not be queried, the main device must be used instead.
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.TP
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.B \-a
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Print all
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.BI SYSFS{ filename }
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attributes along the device chain. Useful for finding
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unique attributes to compose a rule.
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.RB Needs " \-p " specified.
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.TP
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.B \-d
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Print the relationship between the devpath and the node name for all devices
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currently available in the database.
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.TP
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.B \-h
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Print help text.
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.SH "FILES"
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.nf
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/etc/udev/* udev config files
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.fi
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.LP
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.SH "SEE ALSO"
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.BR udev (8)
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.SH AUTHORS
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.B udevinfo
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was developed primarily by Kay Sievers <kay.sievers@vrfy.org>, with help
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from others.
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