X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fudevadm.xml;h=30a6ac423a2b6360ed01a5e803e1a02433d36bc7;hb=eda4b58b50509dc8ad0428a46e20f6c5cf516d58;hp=46693f1dab24594aa5bb727fce36a479872aaf99;hpb=1ada30ac51736783dbc4dbe971d84d79fec05857;p=elogind.git
diff --git a/man/udevadm.xml b/man/udevadm.xml
index 46693f1da..30a6ac423 100644
--- a/man/udevadm.xml
+++ b/man/udevadm.xml
@@ -61,9 +61,10 @@
Description
- udevadm expects a command and command specific options. It
- controls the runtime behavior of udev, requests kernel events,
- manages the event queue, and provides simple debugging mechanisms.
+ udevadm expects a command and command
+ specific options. It controls the runtime behavior of
+ systemd-udevd, requests kernel events, manages
+ the event queue, and provides simple debugging mechanisms.OPTIONS
@@ -97,23 +98,37 @@
- Query the database for specified type of device data. It needs the
- or to identify the specified
- device. Valid queries are:
- name, symlink, path,
- property, all.
+ Query the database for the specified type of device
+ data. It needs the or
+ to identify the specified
+ device. Valid queries are: name,
+ symlink, path,
+ property,
+ all.
- The devpath of the device to query.
+ The /sys path of the device to
+ query, e.g.
+ /sys/class/block/sda.
+ Note that this option usually is not very useful, since
+ udev can guess the type of the
+ argument, so udevadm
+ --devpath=/class/block/sda is equivalent to
+ udevadm /sys/class/block/sda.
- The name of the device node or a symlink to query
+ The name of the device node or a symlink to query,
+ e.g. /dev/sda.
+ Note that this option usually is not very useful, since
+ udev can guess the type of the
+ argument, so udevadm --name=sda is
+ equivalent to udevadm /dev/sda.
@@ -424,18 +439,31 @@
udevadm hwdb options
- Maintain the hardware database index in /etc/udev/hwdb.bin.
+ Maintain the hardware database index in /etc/udev/hwdb.bin.
- Compile the hardware dabase information located in /usr/lib/udev/hwdb.d/,
- /etc/udev/hwdb.d/ and store it in /etc/udev/hwdb.bin. This should be done with
- any update to the source files, it will not be called automatically. The running
+ Compile the hardware database information located in /usr/lib/udev/hwdb.d/,
+ /etc/udev/hwdb.d/ and store it in /etc/udev/hwdb.bin. This should be done after
+ any update to the source files; it will not be called automatically. The running
udev daemon will detect a new database on its own and does not need to be
notified about it.
+
+
+
+ Query the database with a modalias string, and print the
+ retrieved properties.
+
+
+
+
+
+ Alternative root path in the filesystem for reading and writing files.
+
+
@@ -449,9 +477,15 @@
-
+
- The subsystem string.
+ Specify when udevadm should resolve names of users
+ and groups. When set to early (the
+ default), names will be resolved when the rules are
+ parsed. When set to late, names will
+ be resolved for every event. When set to
+ never, names will never be resolved
+ and all devices will be owned by root.