Observium Install on CentOS 7.x
From KlavoWiki
Epel and RPMforge Install
rpm -Uhv http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm rpm -Uhv http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el7.rf.x86_64.rpm
Package Installs
yum -y install wget httpd php php-mysql php-gd php-posix php-pear.noarch cronie net-snmp net-snmp-utils mariadb-server mariadb MySQL-python rrdtool subversion ipmitool graphviz ImageMagick php-mcrypt jwhois fping
systemctl enable mariadb systemctl enable httpd systemctl start mariadb systemctl start httpd
Observium Install
cd /opt wget http://www.observium.org/observium-community-latest.tar.gz tar zxvf observium-community-latest.tar.gz rm -f observium-community-latest.tar.gz
Create SQL Database
The below is using a username of myobservium and a password of somerandompassword
mysql CREATE DATABASE observium DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci; GRANT ALL PRIVILEGES ON observium.* TO 'myobservium'@'localhost' IDENTIFIED BY 'somerandompassword'; flush privileges; exit
Config File
cd /opt/observium cp config.php.default config.php
vi config.php
Modify Entries
// Database config --- This MUST be configured $config['db_host'] = 'localhost'; $config['db_user'] = 'myobservium'; $config['db_pass'] = 'somerandompassword'; $config['db_name'] = 'observium';
Add entry
$config['fping'] = "/usr/sbin/fping";
Create Config Folders
mkdir logs mkdir rrd chown apache:apache logs chown apache:apache rrd
Populate SQL Database
php /opt/observium/includes/update/update.php
Create Apache WEB Site
vi /etc/httpd/conf/httpd.conf
Add the following to the end of the file
<VirtualHost *:80> DocumentRoot /opt/observium/html/ ServerName observium.domain.com CustomLog /opt/observium/logs/access_log combined ErrorLog /opt/observium/logs/error_log <Directory "/opt/observium/html/"> AllowOverride All Options FollowSymLinks MultiViews Require all granted </Directory> </VirtualHost>
Create Admin User
/opt/observium/adduser.php <username> <password> 10
Add Device
This command is for the CLI but can be done from the WEB interface
/opt/observium/add_device.php <hostname> <community> v2c
Cron Job
crontab -e
Add the following Lines
*/30 4 * * * /opt/observium/discovery.php -h all >> /dev/null 2>&1 */5 * * * * /opt/observium/poller-wrapper.py 5 >> /dev/null 2>&1
WMI
If you wish to gather further information from Windows computers using WMI then you will need the following, along with the appropriate configuration and enabling of WMI in Observium
rpm -Uvh http://www6.atomicorp.com/channels/atomic/centos/7/x86_64/RPMS/wmi-1.3.14-4.el7.art.x86_64.rpm
NOTE: It seems that enable WMI stops the graphing of disk usage. If you disable disk monitoring in WMI and enable in modules so that disk graphing is done by SNMP data rather than WMI seems to fix this problem.