Zenoss

What is zenoss?

In brief

http://forums.gentoo.org/viewtopic-p-3530058.html#3530058

Longer story

http://community.zenoss.com/faq#WhatisZenoss

Why?

Why not? If you have more than one computer and want to do some cool hip monitoring stuff, zenoss is a way to go. well, there could be better ones but, stfu, this is my wiki node and i rule!

Requirements

1. app-admin/sudo
2. Subversion (only for installing from svn)
3. >=MySQL 5.0.22
4. Python 2.3.5 or 2.4
5. GNU build environment (GNU Make)
6. net-analyzer/net-snmp
7. mail-mta/sendmail
8. dev-python/twisted
9. dev-python/twistedsnmp
10. net-zope/zope
11. net-zope/zopeinterface
12. dev-python/pysnmp
13. net-analyzer/rrdtool
14. dev-lang/swig

Installing ZenossCore

- Create user for zenoss

# useradd -m zenoss
# passwd zenoss

- Modify .bashrc

# echo 'export ZENHOME=/usr/local/zenoss' >> /home/zenoss/.bashrc
# echo 'export PYTHONPATH=$ZENHOME/lib/python' >> /home/zenoss/.bashrc
# echo 'export PATH=$ZENHOME/bin:$PATH' >> /home/zenoss/.bashrc

- modify sudoers using visudo, add following lines:

# visudo -f /etc/sudoers

- add to the defaults block of the file

# Defaults        env_keep += "PYTHONPATH ZENHOME"

- at the bottom of the line

# zenoss          ALL=NOPASSWD:/usr/local/zenoss/bin/python,/bin/kill,/usr/sbin/sendmail

- Create directory where to install zenoss

# mkdir /usr/local/zenoss

- Give appropriate user rights for the directory

# chown zenoss /usr/local/zenoss

Using svn source

- Emerge subversion if you dont already have it

# emerge -aq subversion

- Login as zenoss to do the install and stuff

# su - zenoss

- And execute in home directory, you should already be there, in /home/zenoss

# svn co http://dev.zenoss.org/svn/trunk/inst zenossinst

- Move into the newly created directory and run the install script

# cd zenossinst
# bash ./install.sh

- Answer to the questions during install and you're done.

Using released "stable"

- Login as zenoss to do the install and stuff

# su - zenoss

- Download latest releas package from here, you want the source tarball

- Extract the package and move into it and run the install script

# tar -xzf zenoss-<release>.tar.gz
# cd zenoss-<release>
# ./install

- Answer to the questions during install and you're done.

Usage

- Type in anywhere as zenoss to restart the daemons

# zenoss stop
# zenoss start
-- or --
# zenoss restart

1. Navigate to: http://the_host_where_you_just_did_that_stuff:8080/ using your favorite browser. I mean, firefox.
2. Login with the user/pass that you supplied at the install process and enjoy the view.

Issues / Gotchas

• If you have issues getting zenping, zensyslog, and a few of the other processes to start try doing the following as root:

chown root:zenoss /usr/local/zenoss/bin/zensocket
chmod 04750 /usr/local/zenoss/bin/zensocket

Thanks to: http://community.zenoss.com/forums/viewtopic.php?p=12824

Behave

1. Read and modify the files in /usr/local/zenoss/etc at will
2. Write usefull stuff to this wiki and especially, this wikinode.

Uninstall

1. Remove /usr/local/zenoss/* (or what the heck your $ZENHOME is)
2. Do: 'make clean' in zenossinst directory
3. Try to install again :)

Resources

1. ZenossCore Community