processes plugin: Make sure ARG_MAX is defined.

[collectd.git] / README

diff --git a/README b/README
index 8c8160c..2a1aa69 100644 (file)
--- a/README
+++ b/README
@@ -33,6 +33,10 @@ Features
       Batterycharge, -current and voltage of ACPI and PMU based laptop
       batteries.
 
+    - bind
+      Name server and resolver statistics from the `statistics-channel'
+      interface of BIND 9.5, 9,6 and later.
+
     - cpu
       CPU utilization: Time spent in the system, user, nice, idle, and related
       states.
@@ -146,6 +150,10 @@ Features
       Read onewire sensors using the owcapu library of the owfs project.
       Please read in collectd.conf(5) why this plugin is experimental.
 
+    - openvpn
+      RX and TX of each client in openvpn-status.log (status-version 2).
+      <http://openvpn.net/index.php/documentation/howto.html>
+
     - perl
       The perl plugin implements a Perl-interpreter into collectd. You can
       write your own plugins in Perl and return arbitrary values using this
@@ -250,6 +258,13 @@ Features
       needed. Please read collectd-unixsock(5) for a description on how that's
       done.
 
+  * Filtering and rewriting values dispatched to collectd can be done by the
+    following plugins:
+
+    - filter_pcre
+      Filter and rewrite value lists based on Perl-compatible regular
+      expressions.
+
   * Logging is, as everything in collectd, provided by plugins. The following
     plugins keep up informed about what's going on:
 
@@ -416,6 +431,10 @@ Prerequisites
     Used to capture packets by the `dns' plugin.
     <http://www.tcpdump.org/>
 
+  * libpcre (optional)
+    Used by the `filter_pcre' plugin.
+    <http://www.pcre.org/>
+
   * libperl (optional)
     Obviously used by the `perl' plugin. The library has to be compiled with
     ithread support (introduced in Perl 5.6.0).
@@ -472,9 +491,11 @@ Configuring / Compiling / Installing
   disable all plugins whose requirements cannot be fulfilled (any other plugin
   will be enabled). To enable a plugin, install missing dependencies (see
   section `Prerequisites' above) and rerun `configure'. If you specify the
-  `--enable-<plugin>' configure option, you can force the plugin to be built.
-  This will most likely fail though unless you're working in a very unusual
-  setup and you really know what you're doing.
+  `--enable-<plugin>' configure option, the script will fail if the depen-
+  dencies for the specified plugin are not met. If you specify the
+  `--disable-<plugin>' configure option, the plugin will not be built. Both
+  options are meant for package maintainers and should not be used in everyday
+  situations.
 
   By default, collectd will be installed into `/opt/collectd'. You can adjust
   this setting by specifying the `--prefix' configure option - see INSTALL for