How To Install: Observium On Centos 8

sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-* Update the system:

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 :

nano /opt/observium/config.php Set the database credentials:

nano /etc/httpd/conf.d/observium.conf Add: how to install observium on centos 8

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:

echo '33 */6 * * * root /opt/observium/discovery.php -h all >> /dev/null 2>&1' > /etc/cron.d/observium echo '*/5 * * * * root /opt/observium/poller-wrapper.py 1 >> /dev/null 2>&1' >> /etc/cron.d/observium Allow HTTP/HTTPS:

<VirtualHost *:80> ServerName observium.yourdomain.com DocumentRoot /opt/observium/html <Directory /opt/observium/html> Options FollowSymLinks AllowOverride All Require all granted </Directory> ErrorLog /var/log/httpd/observium_error.log CustomLog /var/log/httpd/observium_access.log combined </VirtualHost> Test config and restart Apache: sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum

mkdir /opt/observium/logs,rrd chown -R apache:apache /opt/observium/logs,rrd Copy the default configuration:

httpd -t systemctl restart httpd Add the Observium polling cron job:

firewall-cmd --permanent --add-service=http firewall-cmd --reload Open your browser: http://your_server_ip /etc/cron.d/observium Allow HTTP/HTTPS: &lt

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:

dnf update -y Install Apache, PHP, MariaDB, and required utilities: