📚 Monitoring Zabbix Grafana Prometheus Nagios Supervision Réseau

# Ajouter le dépôt officiel Zabbix
wget https://repo.zabbix.com/zabbix/6.4/ubuntu/pool/main/z/zabbix-release/zabbix-release_6.4-1+ubuntu22.04_all.deb
dpkg -i zabbix-release_6.4-1+ubuntu22.04_all.deb && apt update

# Installer le serveur, frontend et agent
apt install -y zabbix-server-mysql zabbix-frontend-php \
               zabbix-nginx-conf zabbix-agent

# Créer la base de données MySQL/MariaDB
mysql -uroot -p -e "CREATE DATABASE zabbix CHARACTER SET utf8mb4;"
mysql -uroot -p -e "CREATE USER 'zabbix'@'localhost' IDENTIFIED BY 'ZabbixPass!';"
mysql -uroot -p -e "GRANT ALL PRIVILEGES ON zabbix.* TO 'zabbix'@'localhost';"
zcat /usr/share/zabbix-sql-scripts/mysql/server.sql.gz | mysql -uzabbix -p zabbix

# Configurer /etc/zabbix/zabbix_server.conf
sed -i 's/# DBPassword=/DBPassword=ZabbixPass!/' /etc/zabbix/zabbix_server.conf

# Démarrer tous les services
systemctl enable --now zabbix-server zabbix-agent nginx php8.1-fpm

# Accéder à l'interface web : http://IP_SERVEUR/zabbix
# Identifiants par défaut : Admin / zabbix

global:
  scrape_interval:     15s
  evaluation_interval: 15s

alerting:
  alertmanagers:
    - static_configs:
        - targets: ['localhost:9093']

scrape_configs:
  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']

  - job_name: 'node_exporter'
    static_configs:
      - targets:
          - '192.168.1.10:9100'   # srv-web
          - '192.168.1.11:9100'   # srv-db
          - '192.168.1.12:9100'   # srv-backup

  - job_name: 'blackbox_http'
    metrics_path: /probe
    params:
      module: [http_2xx]
    static_configs:
      - targets:
          - 'https://monsite.fr'
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target