X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=README;h=539574a2780499b15f10b6ec22edb33bfbc50724;hb=f3169b788b67f560f28b08eaddf1c45257cb1634;hp=ca2bdf6bc21ade2095dd31a406da6302260f0867;hpb=430b0b4d0275f7fea64376fc166e81fc0bcc36bf;p=collectd.git diff --git a/README b/README index ca2bdf6b..539574a2 100644 --- a/README +++ b/README @@ -62,6 +62,9 @@ Features Values gathered by a custom program or script. See collectd-exec(5). + - filecount + Count the number of files in directories. + - hddtemp Harddisk temperatures using hddtempd. @@ -132,6 +135,10 @@ Features Network UPS tools: UPS current, voltage, power, charge, utilisation, temperature, etc. See upsd(8). + - onewire (EXPERIMENTAL!) + Read onewire sensors using the owcapu library of the owfs project. + Please read in collectd.conf(5) why this plugin is experimental. + - perl The perl plugin implements a Perl-interpreter into collectd. You can write your own plugins in Perl and return arbitrary values using this @@ -141,6 +148,10 @@ Features Network latency: Time to reach the default gateway or another given host. + - postgresql + PostgreSQL database statistics: active server connections, transaction + numbers, block IO, table row manipulations. + - processes Process counts: Number of running, sleeping, zombie, ... processes. @@ -357,6 +368,10 @@ Prerequisites can be used) Used by the `ping' plugin to send and receive ICMP packets. + * libowcapi (optional) + Used by the `onewire' plugin to read values from onewire sensors (or the + owserver(1) daemon). + * libpcap (optional) Used to capture packets by the `dns' plugin. @@ -364,6 +379,9 @@ Prerequisites Obviously used by the `perl' plugin. The library has to be compiled with ithread support (introduced in Perl 5.6.0). + * libpq (optional) + The PostgreSQL C client library used by the `postgresql' plugin. + * librrd (optional; headers and library; rrdtool 1.0 and 1.2 both work fine) If built without `librrd' the resulting binary will be `client only', i.e. will send its values via multicast and not create any RRD files itself. @@ -405,9 +423,11 @@ 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-' 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-' configure option, the script will fail if the depen- + dencies for the specified plugin are not met. If you specify the + `--disable-' 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 @@ -434,12 +454,24 @@ Crosscompiling that the compiled binary actually behaves as it should, but since NANs are likely never passed to the libm you have a good chance to be lucky. + Likewise, collectd needs to know the layout of doubles in memory, in order + to craft uniform network packets over different architectures. For this, it + needs to know how to convert doubles into the memory layout used by x86. The + configure script tries to figure this out by compiling and running a few + small test programs. This is of course not possible when cross-compiling. + You can use the `--with-fp-layout' option to tell the configure script which + conversion method to assume. Valid arguments are: + + * `nothing' (12345678 -> 12345678) + * `endianflip' (12345678 -> 87654321) + * `intswap' (12345678 -> 56781234) + Contact ------- - For questions, bugreports, development information and basically all other - concerns please send an email to collectd's mailinglist at + For questions, bug reports, development information and basically all other + concerns please send an email to collectd's mailing list at . For live discussion and more personal contact visit us in IRC, we're in @@ -453,5 +485,6 @@ Author Sebastian tokkee Harl , and many contributors (see `AUTHORS'). - Please send bugreports and patches to the mailinglist, see `Contact' above. + Please send bug reports and patches to the mailing list, see `Contact' + above.