udevadm
- udevd
- November 2007
+ udevadmudev
@@ -90,7 +89,7 @@
or to identify the specified
device. Valid queries are:
name, symlink, path,
- env, all.
+ property, all.
@@ -150,7 +149,7 @@
udevadm trigger options
- Request device events from the kernel. Usually used to replay events at system coldplug time.
+ Request device events from the kernel. Primarily used to replay events at system coldplug time.
@@ -175,7 +174,7 @@
- Type of event to be triggered. The default value is add.
+ Type of event to be triggered. The default value is change.
@@ -210,6 +209,27 @@
of the sysfs attribute is checked. This option can be specified multiple times.
+
+
+
+ Trigger events for devices with a matching property value. This option can be
+ specified multiple times and supports shell style pattern matching.
+
+
+
+
+
+ Trigger events for devices with a matching tag. This option can be
+ specified multiple times.
+
+
+
+
+
+ Trigger events for devices with a matching sys device name. This option can be
+ specified multiple times and supports shell style pattern matching.
+
+
@@ -224,6 +244,24 @@
and always return immediately.
+
+
+
+ Wait only for events after the given sequence number.
+
+
+
+
+
+ Wait only for events before the given sequence number.
+
+
+
+
+
+ Stop waiting if file exists.
+
+
@@ -266,13 +304,16 @@
- Signal udevd to reload the rules from the config.
+ Signal udevd to reload the rules files.
+ The udev daemon detects changes automatically, this option is
+ usually not needed. Reloading rules does not apply any changes
+ to already existing devices.
-
+
- Set global variable.
+ Set a global property for all events.
@@ -297,13 +338,6 @@
event timing, by comparing the timestamps of the kernel uevent and the udev event.
-
-
-
- Print the complete environment for all events. Can be used to compare the
- kernel supplied and the udev added environment values.
-
-
@@ -316,6 +350,24 @@
Print the udev event after the rule processing.
+
+
+
+ Also print the properties of the event.
+
+
+
+
+
+ Filter events by subsystem[/devtype]. Only udev events with a matching subsystem value will pass.
+
+
+
+
+
+ Filter events by property. Only udev events with a given tag attached will pass.
+
+