Setup Configuration Directory

Create and navigate to configuration directory:

mkdir grafana_configs
cd grafana_configs

Download Configuration Files

Get Loki and Promtail configuration files:

sudo wget https://raw.githubusercontent.com/grafana/loki/v2.8.0/cmd/loki/loki-local-config.yaml -O loki-config.yaml
sudo wget https://raw.githubusercontent.com/grafana/loki/v2.8.0/clients/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml

Run Loki Container

Start Loki with mounted configuration:

docker run -d --name loki \
    -v $(pwd):/mnt/config \
    -p 3100:3100 \
    grafana/loki:2.8.0 \
    --config.file=/mnt/config/loki-config.yaml

Run Promtail Container

Start Promtail with mounted configuration and log access:

docker run -d --name promtail \
    -v $(pwd):/mnt/config \
    -v /var/log:/var/log \
    --link loki \
    grafana/promtail:2.8.0 \
    --config.file=/mnt/config/promtail-config.yaml

Configuration Details

• Loki Port: 3100
• Version: 2.8.0
• Mounted Volumes:
  • Configuration files: /mnt/config
  • System logs: /var/log

Verification Steps

1. Check container status:

   docker ps | grep 'loki\|promtail'

2. Verify Loki is accessible:

   curl http://localhost:3100/ready

3. Check logs for any issues:

   docker logs loki
   docker logs promtail

Next Steps

• Configure Loki as a data source in Grafana
• Create log dashboards
• Set up log alerts
• Configure retention policies