cd /opt svn update --set-depth empty https://svn.observium.org/svn/observium/trunk observium If svn is missing: dnf install -y subversion Set permissions:
cd /opt/observium ./discovery.php -h your_device_hostname | Task | Command/Path | |------|---------------| | Update Observium | svn update /opt/observium | | Reset admin password | ./user.php mod pass admin newpassword | | Check poller status | ./poller.php -d localhost | | RRD storage path | /opt/observium/rrd | Troubleshooting Common Issues 1. SELinux blocking RRD writes setsebool -P httpd_can_network_connect on chcon -R -t httpd_sys_rw_content_t /opt/observium/rrd 2. PHP timezone warnings Edit /etc/php.ini :
httpd -t systemctl restart httpd Add the Observium polling cron job: how to install observium on centos 8
systemctl enable --now httpd mariadb Run the secure installation and set a root password:
dnf install -y epel-release dnf install -y httpd mariadb-server mariadb httpd php php-cli php-mysqlnd \ php-gd php-posix php-mbstring php-pear php-pear-CAS php-bcmath php-json \ php-snmp fping graphviz rrdtool subversion net-snmp-utils net-snmp \ python3-PyMySQL Enable and start services: cd /opt svn update --set-depth empty https://svn
$config['db_user'] = 'observium'; $config['db_pass'] = 'your_strong_password'; $config['db_name'] = 'observium'; Create the database and user:
cd /opt/observium ./discovery.php -u Create an Apache virtual host: For more, consider Observium Professional
dnf update -y Install Apache, PHP, MariaDB, and required utilities:
mkdir /opt/observium/logs,rrd chown -R apache:apache /opt/observium/logs,rrd Copy the default configuration:
The Community Edition is limited to 100 devices. For more, consider Observium Professional. Also, plan to migrate to AlmaLinux 8 or Rocky Linux 8 before CentOS 8 becomes unsupported for security updates.
nano /etc/httpd/conf.d/observium.conf Add: