How to Install and Configure Prometheus tool on Linux Systems
This tutorial will be helpful for beginners to Install and configure Prometheus tool on Linux systems (ie) Ubuntu , Rocky Linux , Fedora , AlmaLinux and Linux Mint.
What is Prometheus
Prometheus is a monitoring system designed to collect system metrics and alert on changes. It can be used to monitor server, container, and application performance, and to diagnose and troubleshoot issues.
Prometheus can collect data from a variety of sources, including system logs, process logs, and network interfaces. It can then use this data to generate alerts and graphs and to store historical data for later analysis.
Prometheus can be used to monitor a single system or an entire network. It can also be used to monitor systems in production or in development.
Prometheus has a variety of features that make it an ideal monitoring system. These features include:
- Easy to deploy
- Multiple Graphing and dashboards are supported
- Time series data collection happens via the Pull model over HTTP
- Highly Scalable
- Stores historical data
Install Prometheus on Linux systems
Step 1: Download the Prometheus tool from the downloads page or use the below command
Step 2: Extract the files
tar -xf prometheus-2.37.0.linux-amd64.tar.gz && mv prometheus-2.37.0.linux-amd64 /etc/prometheus
Step 3: Create a separate non-login user account for Prometheus
useradd prometheus — shell=/bin/false — no-create-home
Step 4: Copy the Prometheus and Promtool to /usr/local/bin and change the Ownership of to executables and /etc/prometheus directoryPrometheus user.
sudo cp -pr /etc/prometheus/promtool prometheus /usr/local/bin/
sudo chown prometheus:prometheus /usr/local/bin/promtool
sudo chown prometheus:prometheus /usr/local/bin/prometheus
sudo chown -R prometheus:prometheus /etc/prometheus
Step 5: Create a Local storge directory and change the ownership to Prometheus also
sudo mkdir /var/lib/prometheus && sudo chown -R prometheus:prometheus /var/lib/prometheus
Configure Prometheus on Linux systems
Step 6: Create a service file for Prometheus and add the below contents to the file
sudo vi /etc/systemd/system/prometheus.service
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
Step 7: Reload the systemd and start the Prometheus service
sudo systemctl daemon-reload && systemctl start prometheus && systemctl enable prometheus
Step 8: Access Prometheus UI
From your browser type the server ip followed by 9090 port and press enter.
Prometheus Installation completed, you can run query from the available metrics
From this tutorial, you have learned how to download and install Prometheus tool on Ubuntu, Debian, Linux Mint, AlmaLinux, Rocky Linux and Fedora.
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