X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=README;h=811c594cae9bd4748b1fbc0cd3b94e6be7bec805;hb=9589c94b03e65c8eb66c6b8b27f7455c558e604d;hp=bf633495427ce73cef27b5d8588e9a3e9dfb9236;hpb=44a8f56d76f2ccd0dc736bdebafd3d18ce7a1858;p=collectd.git

diff --git a/README b/README
index bf633495..811c594c 100644
--- a/README
+++ b/README
@@ -442,6 +442,10 @@ Features
 
   * Miscellaneous plugins:
 
+    - threshold
+      Checks values against configured thresholds and creates notifications if
+      values are out of bounds. See collectd-threshold(5) for details.
+
     - uuid
       Sets the hostname to an unique identifier. This is meant for setups
       where each client may migrate to another physical host, possibly going
@@ -569,8 +573,10 @@ Prerequisites
     <http://tangent.org/552/libmemcached.html>
 
   * libmodbus (optional)
-    Used by the `modbus' plugin to communicate with Modbus/TCP devices.
-    <https://launchpad.net/libmodbus>
+    Used by the “modbus” plugin to communicate with Modbus/TCP devices. The
+    “modbus” plugin works with version 2.0.3 of the library – due to frequent
+    API changes other versions may or may not compile cleanly.
+    <http://www.libmodbus.org/>
 
   * libmysqlclient (optional)
     Unsurprisingly used by the `mysql' plugin.
@@ -605,6 +611,9 @@ Prerequisites
     Used to capture packets by the `dns' plugin.
     <http://www.tcpdump.org/>
 
+  * libperfstat (optional)
+    Used by various plugins to gather statistics under AIX.
+
   * libperl (optional)
     Obviously used by the `perl' plugin. The library has to be compiled with
     ithread support (introduced in Perl 5.6.0).