X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=README;h=0d25b84fad9f2c604ad83271c51572e49b6c7eb2;hp=f85637068547d681c6b79686e9add05abf1d44ca;hb=7c2dee4a4d7f1b264031daaee786a8fe429884e1;hpb=ab7863f7d74ca1952b6173d2d04ab89f95253fb5

diff --git a/README b/README
index f85637068..0d25b84fa 100644
--- a/README
+++ b/README
@@ -10,13 +10,13 @@ The upstream udev project's set of default rules may require a most recent
 kernel release to work properly. This is currently version 2.6.32.
 
 Tools and rules shipped by udev are not public API and may change at any time.
-Never call any private tool in /lib/udev from any external application; it might
-just go away in the next release. Access to udev information is only offered
-by udevadm and libudev. Tools and rules in /lib/udev and the entire contents of
-the /dev/.udev directory are private to udev and do change whenever needed.
+Never call any private tool in /usr/lib/udev from any external application; it
+might just go away in the next release. Access to udev information is only offered
+by udevadm and libudev. Tools and rules in /usr/lib/udev and the entire contents
+of the /run/udev directory are private to udev and do change whenever needed.
 
 Requirements:
-  - Version 2.6.32 of the Linux kernel with sysfs, procfs, signalfd, inotify,
+  - Version 2.6.34 of the Linux kernel with sysfs, procfs, signalfd, inotify,
     unix domain sockets, networking and hotplug enabled
 
   - Some architectures might need a later kernel, that supports accept4(),
@@ -59,21 +59,21 @@ Requirements:
     available.
 
   - Some udev extras have external dependencies like:
-      libacl, libglib2, libusb, usbutils, pciutils, and gperf.
+      libacl, libglib2, usbutils, pciutils, and gperf.
     All these extras can be disabled with configure options.
 
 Setup:
   - At bootup, the /dev directory should get the 'devtmpfs' filesystem
     mounted. Udev manages the permissions and ownership of the kernel-created
     device nodes, and udev possibly creates additional symlinks. If needed, udev also
-    works on an empty 'tmpfs' filesystem, but some static device nodes like
-    /dev/null, /dev/console, /dev/kmsg are needed to be able to start udev itself.
+    works on an empty 'tmpfs' filesystem, but some device nodes like
+    /dev/null, /dev/console, /dev/kmsg should be created before udevd is started.
 
   - The udev daemon should be started to handle device events sent by the kernel.
-    During bootup, the kernel can be asked to send events for all already existing
-    devices so that they too can be configured by udev. This is usually done by:
-      /sbin/udevadm trigger --type=subsystems
-      /sbin/udevadm trigger --type=devices
+    During bootup, the events for already existing devices can be replayed, so
+    that they are configured by udev. This is usually done by:
+      udevadm trigger --action=add --type=subsystems
+      udevadm trigger --action=add --type=devices
 
   - Restarting the daemon never applies any rules to existing devices.
 
@@ -82,13 +82,13 @@ Setup:
 
 Operation:
   - Based on events the kernel sends out on device creation/removal, udev
-    creates/removes device nodes in the /dev directory.
+    creates/removes device nodes and symlinks in the /dev directory.
 
   - All kernel events are matched against a set of specified rules, which
     possibly hook into the event processing and load required kernel
     modules to set up devices. For all devices, the kernel exports a major/minor
     number; if needed, udev creates a device node with the default kernel
-    name. If specified, udev applies permissions/ownership to the device
+    device name. If specified, udev applies permissions/ownership to the device
     node, creates additional symlinks pointing to the node, and executes
     programs to handle the device.