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added some more information

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Rainer Gerhards 2008-01-07 06:55:18 +00:00
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doc/v3compatibility.html
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@ -14,6 +14,21 @@ both in regard to sysklogd and rsyslog v1 and v2.</P>
be resolved, so be sure to check back often. Also, comments and suggestions are
appreciated. Feedback right in time can now have a big impact on the route we
take ;)</P>
<h2>inputs</h2>
<p>With v2 and below, inputs were automatically started together with rsyslog.
In v3, inputs are optional! They come in the form of plug-in modules.
<font color="#FF0000"><b>At least one input module must be loaded to make
rsyslog do any useful work.</b></font> The config file directives doc briefly
lists which config statements are available by which modules.</p>
<p>It is suggested that input modules be loaded in the top part of the config
file. Here is an example, also highlighting the most important modules:</p>
<p><b>$ModLoad immark&nbsp;&nbsp; # provides --MARK-- message capability<br>
$ModLoad imudp&nbsp; # provides UDP syslog reception<br>
$ModLoad imtcp&nbsp; # provides TCP syslog reception and GSS-API (if compiled to
support it)<br>
$ModLoad imuxsock # provides support for local system logging (e.g. via logger
command)<br>
$ModLoad imklog # provides kernel logging support (previously done by rklogd)</b></p>
<h2>command line options</h2>
<p>A number of command line options have been removed. New config file
directives have been added for them. Once we implement compatibiltiy mode, these
@ -59,6 +74,10 @@ rsyslog.conf. That set of configuration directives is to be expanded. So far, we
support:</P>
<P>$klogSymbolsTwice [on/off]<br>
$DebugPrintKernelSymbols [on/off] # spits *a lot* of messages at startup</P>
<h2>Queue Modes for the Main Message Queue</h2>
<p>Either &quot;FixedArray&quot; or &quot;LinkedList&quot; is recommended. &quot;Direct&quot; is available,
but should not be used except for a very good reason (&quot;Direct&quot; disables queueing
and will potentially lead to message loss on the input side).</p>
<h1>TODO List</h1>
<P>I have decided to move the todo list for v3 also into this document. After
all, it is kind of a compatibility issue ;) But, more seriously, I think this is