README file for Xymon
What is it ?
Xymon is a system for monitoring your network servers and
applications. It is heavily inspired by the Big Brother
tool, but is a complete re-implementation with a lot of added
functionality and performance improvements. A slightly more
detailed rationale for Xymon is in the docs/about.html file.
NOTE: On Nov 10 2008, Hobbit was officially renamed to
"Xymon". The name "Hobbit" is trademarked, and therefore
cannot be used without permission from the trademark
How to install
Detailed installation instructions are in the
docs/install.html file. Essentially, it boils down
but do have a look at the install.html file for more
The docs/ directory holds information about the basic
installation and configuration of Xymon. All of the
tools and configuration files in Xymon have man-pages
that are installed automatically when installing Xymon.
The xymon(7) man page provides an introduction to
Xymon and has pointers to the other man-pages of the
Xymon is copyrighted (C) 2002-2011 by Henrik Storner.
Xymon is Open Source software, made available under the
GNU General Public License (GPL) version 2, with the explicit
exemption that linking with the OpenSSL libraries is permitted.
See the file COPYING for details.
Xymon is released under the GPL, and therefore available
free of charge. However, if you find it useful and want
to encourage further development, I do have an Amazon
wishlist at http://www.amazon.co.uk/ - just search for
my mail-address (firstname.lastname@example.org). A contribution in the
form of a book, CD or DVD is appreciated.
The following files are distributed with Xymon and used
by Xymon, but written by others and are NOT licensed under the GPL:
* The lib/rmd160c.c, lib/rmdconst.h, lib/rmdlocl.h and lib/ripemd.h
files are Copyright (C) 1995-1998 Eric Young (email@example.com).
The license is BSD-like, but see these files for the exact license.
The version in Xymon was taken from the FreeBSD CVS archive.
* The lib/md5.c and lib/md5.h files are (C) L. Peter Deutsch,
available under a BSD-like license from
* The lib/sha1.c file is originally written by by Steve Reid
<firstname.lastname@example.org> and placed in the public domain. The version
in Xymon was taken from the "mutt" mail client sources, so
some changes were done by Thomas Roessler <email@example.com>.
* The lib/rbtr.c and lib/rbtr.h files are by Thomas Nieman,
who has released them into the public domain.
There is an open mailing list for discussing Xymon, asking
questions about how to use Xymon, reporting bugs etc. You
can subscribe to the list by sending an e-mail to
or on the web http://lists.xymon.com/mailman/listinfo/xymon
Please note that mail sent from adresses that are not subscribed
to the list need to go through a moderator approval, and therefore
may not show up on the list for some time.
If you want to be notified of future updates, please subscribe
to the xymon-announce mailing list. You can subscribe to the
list by sending an e-mail to
or on the web http://lists.xymon.com/mailman/listinfo/xymon-announce
This is a moderated list, used only for announcing new Xymon releases.