From: Kay Sievers <kay@vrfy.org>
Date: Tue, 5 Mar 2013 18:04:48 +0000 (+0100)
Subject: README: add udev goups
X-Git-Tag: v198~73
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=37c0e8f35e92190a22b2ac0fbb23bf396121e84a

README: add udev goups
---

diff --git a/README b/README
index 300a4cf8b..889c687ba 100644
--- a/README
+++ b/README
@@ -101,6 +101,12 @@ REQUIREMENTS:
         pass the same DESTDIR to 'make sphinx-html' invocation.
 
 USERS AND GROUPS:
+        Default udev rules use the following standard system group names,\
+        which need to be resolvable by getgrnam() at any time, even in the
+        very early boot stages, where no other databases and network is
+        available:
+          tty, dialout, kmem, video, audio, lp, floppy, cdrom, tape, disk
+
         During runtime the journal daemon requires the
         "system-journal" system group to exist. New journal files will
         be readable by this group (but not writable) which may be used