##Install the required packages
sudo yum install wget.x86_64 httpd.x86_64 php.x86_64 php-mysql.x86_64 php-gd.x86_64 php-posix php-mcrypt.x86_64 php-pear.noarch net-snmp.x86_64 net-snmp-utils.x86_64 fping.x86_64 mariadb-server.x86_64 mariadb.x86_64 MySQL-python.x86_64 rrdtool.x86_64 subversion.x86_64 jwhois.x86_64 ipmitool.x86_64 graphviz.x86_64 ImageMagick.x86_64 libvirt mod_ssl openssl
##Make the required directory and go to it
sudo mkdir -p /opt/observium && cd /opt
##Lets get the install package
sudo wget http://www.observium.org/observium-community-latest.tar.gz
##Un-tar it
sudo tar zxvf observium-community-latest.tar.gz
##Setup Maria if a new install
sudo systemctl start mariadb sudo systemctl enable mariadb sudo /usr/bin/mysql_secure_installation
##Get into observium
cd observium
##Copy the default configuration file and edit it for your system.
sudo cp config.php.default config.php
##edit config.php and add DB user and password you will be creating below
sudo vi config.php $config['db_user'] = 'observium'; $config['db_pass'] = 'password';
##While you are in there add:
$config['fping'] = "/usr/sbin/fping";
##Create the Database
mysql -u root -p <mysql root password> mysql> CREATE DATABASE observium DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci; mysql> GRANT ALL PRIVILEGES ON observium.* TO 'observium'@'localhost' -> IDENTIFIED BY '<observium db password>';
##Setup the MySQL database and insert the default schema
sudo php includes/update/update.php
##Create the directory Observium will store its logs in:
sudo mkdir logs sudo chown apache:apache logs
##Create the rrd directory to store RRDs in:
sudo mkdir rrd sudo chown apache:apache rrd
##vi /etc/httpd/conf.d/observium.conf:
Alias /observium "/opt/observium/html/" DocumentRoot "/opt/observium/html/" <Directory "/opt/observium/html/"> Options +FollowSymLinks AllowOverride All order allow,deny allow from all Require all granted </Directory>
##Add a first user, use level of 10 for admin:
cd /opt/observium sudo ./adduser.php <username> <password> <level> sudo ./adduser.php admin password 10
##On Client
CentOS7 sudo yum install net-snmp Ubuntu Variants sudo apt-get install snmpd
##edit /etc/snmp/snmpd.conf
sudo vi /etc/snmp/snmpd.conf ############################################################################### # # snmpd.conf: # Hohenfels/KJETT SNMP Configuration. # ############################################################################### agentaddress udp:161 # sec.name source community com2sec Hohenfels_Network 192.168.1.0/24 LAN com2sec Hohenfels_Network 172.16.4.0/24 DMZ com2sec local localhost Local # groupName securityModel securityName group ReadOnlyGroup v2c Hohenfels_Network group ReadOnlyGroup v2c local # Make at least snmpwalk -v 1 localhost -c public system fast again. # name incl/excl subtree mask(optional) view systemview included .1.3.6.1.2.1.1 view systemview included .1.3.6.1.2.1.25.1.1 view systemview included .1 # group context sec.model sec.level prefix read write notif access ReadOnlyGroup "" any noauth exact systemview none none # System information syslocation 78621 syscontact erik@mail.hohenfels.com #This line allows Observium to detect the host OS if the distro script is installed extend .1.3.6.1.4.1.2021.7890.1 distro /usr/bin/distro
##Restart the service
Ubuntu:
sudo service snmpd restart
CentOS:
sudo firewall-cmd --zone=public --add-port=161/udp --permanent sudo systemctl restart firewalld.service sudo systemctl enable snmpd sudo systemctl start snmpd
##Add a first device to monitor
sudo ./add_device.php <hostname> <community> v2c sudo ./add_device.php server DMZ v2c
##Do an initial discovery and polling run to populate the data for the new device
sudo ./discovery.php -h all sudo ./poller.php -h all
##Add discovery and poller to cron
sudo vi /etc/cron.d/observium 33 */6 * * * root /opt/observium/discovery.php -h all >> /dev/null 2>&1 */5 * * * * root /opt/observium/discovery.php -h new >> /dev/null 2>&1 */5 * * * * root /opt/observium/poller-wrapper.py 2 >> /dev/null 2>&1
##Restart cron
sudo systemctl restart crond
##Logon using the username and password you set above.
http://server.tld/observium/
#