Prometheus¶
Installation¶
# https://www.howtoforge.com/how-to-install-prometheus-on-ubuntu-20-04/
# https://linuxhint.com/install_prometheus_ubuntu/
# Create Prometheus System User
sudo useradd --no-create-home --shell /bin/false prometheus
sudo useradd --no-create-home --shell /bin/false node_exporter
# Create Prometheus Directories
sudo mkdir /etc/prometheus
sudo mkdir /var/lib/prometheus
# Downloading and Installing Prometheus
# https://prometheus.io/download
wget <latest-url-here>
tar -xvf prometheus-2.28.1.linux-amd64.tar.gz
sudo cp prometheus-2.28.1.linux-amd64/prometheus /usr/local/bin/
sudo cp prometheus-2.28.1.linux-amd64/promtool /usr/local/bin/
sudo chown prometheus:prometheus /usr/local/bin/prometheus
sudo chown prometheus:prometheus /usr/local/bin/promtool
sudo cp -r prometheus-2.28.1.linux-amd64/consoles /etc/prometheus
sudo cp -r prometheus-2.28.1.linux-amd64/console_libraries /etc/prometheus
sudo chown -R prometheus:prometheus /etc/prometheus/consoles
sudo chown -R prometheus:prometheus /etc/prometheus/console_libraries
# Create Prometheus Configuration File
sudo nano /etc/prometheus/prometheus.yml
global:
scrape_interval: 15s
scrape_configs:
- job_name: 'prometheus'
scrape_interval: 5s
static_configs:
- targets: ['localhost:9090']
# Create Prometheus Service
sudo nano /etc/systemd/system/prometheus.service
[Unit]
Description=Prometheus
Wants=network-online.target
After=network-online.target
[Service]
User=prome
Group=prome
Type=simple
ExecStart=/usr/local/bin/prometheus \
--config.file /etc/prometheus/prometheus.yml \
--storage.tsdb.path /var/lib/prometheus/ \
--web.console.templates=/etc/prometheus/consoles \
--web.console.libraries=/etc/prometheus/console_libraries
[Install]
WantedBy=multi-user.target
sudo systemctl daemon-reload
sudo systemctl enable prometheus
sudo systemctl status prometheus
Check if Config is Valid¶
https://www.robustperception.io/how-to-check-your-prometheus-yml-is-valid
./promtool check config prometheus.yml