How to install Alert Manager on Ubuntu

• Monitoring systems need an efficient way to handle and notify alerts in real time.
  
• Prometheus generates alerts, but it relies on Alertmanager to process and deliver them.
  
• Alertmanager helps in grouping, deduplicating, and routing alerts to different channels like email or Slack.
  
• Setting up Alertmanager on Ubuntu 24.04 ensures a reliable and scalable alerting system.
  
• This guide walks through installing, configuring, and integrating Alertmanager with Prometheus,Installing alert manager on Ubuntu.
  

Download Alertmanager

cd /tmp
wget https://github.com/prometheus/alertmanager/releases/latest/download/alertmanager-*.linux-amd64.tar.gz

tar -xvf alertmanager-*.tar.gz
cd alertmanager-*.linux-amd64

Move binaries

sudo mv alertmanager /usr/local/bin/
sudo mv amtool /usr/local/bin/

alertmanager –version

Create system user

sudo useradd --no-create-home --shell /bin/false alertmanager

Create directories

sudo mkdir /etc/alertmanager
sudo mkdir /var/lib/alertmanager

sudo chown alertmanager:alertmanager /etc/alertmanager
sudo chown alertmanager:alertmanager /var/lib/alertmanager

Create systemd service

vim /etc/systemd/system/alertmanager.service

[Unit]

Description=Alertmanager

After=network.target

[Service]

User=alertmanager

Group=alertmanager

Type=simple

ExecStart=/usr/local/bin/alertmanager \

  --config.file=/etc/alertmanager/alertmanager.yml \

  --storage.path=/var/lib/alertmanager

[Install]

WantedBy=multi-user.target

Start Alertmanager

sudo systemctl daemon-reexec

sudo systemctl daemon-reload

sudo systemctl enable alertmanager

sudo systemctl start alertmanager

Check status:

sudo systemctl status alertmanager

Access UI

Open in browser:

http://<your-server-ip>:9093

You should see Alertmanager dashboard

Connect Prometheus to Alertmanager

Edit Prometheus config:

vim /etc/prometheus/prometheus.yml
Add:

alerting:
  alertmanagers:
    - static_configs:
        - targets:
          - localhost:9093

Restart Prometheus:

 systemctl restart prometheus

Alertmanager is a critical component for managing alerts efficiently in a monitoring setup.

Integrating it with Prometheus enables automated and organized alert handling.

Conclusion

If you need expert assistance with installing Alert Manager on Ubuntu, our team is here to help. At Skynats, we specialize in Linux Server Management services, ensuring seamless setup, configuration, and 24/7 monitoring for your infrastructure. From installation to optimization, our experts handle everything so you can focus on your business. Contact us today to get reliable, hassle-free server management support tailored to your needs.