Installation Guide

Recommended: Docker Compose

curl -O https://raw.githubusercontent.com/jincaiw/logcat/v0.2.0/docker-compose.yml

Optional: edit docker-compose.yml and set a strong initial admin password before the first start.

environment:
  LOGCAT_ADMIN_PASSWORD: change-me-now

Start logcat:

docker compose up -d

Open http://<server-ip>:8080. Default account: admin / admin123 if no custom password was set.

curl -fsSL https://raw.githubusercontent.com/jincaiw/logcat/v0.2.0/scripts/install-linux.sh | sudo bash

The installer downloads the binary package, installs it to /opt/logcat, creates a systemd service, and starts it automatically.

systemctl status logcat
journalctl -u logcat -f

tar -xzf logcat-0.2.0-linux-amd64.tar.gz
cd logcat-0.2.0-linux-amd64
./start.sh 8080

Port	Protocol	Description
8080	TCP	Web UI and API
5140	UDP/TCP	Syslog receiver

Variable	Description
SYSLG_ALERT_DATA_DIR	Data directory
SYSLG_ALERT_TEMPLATES_DIR	Template directory
LOGCAT_OPEN_BROWSER	Set 1 to open browser automatically
LOGCAT_ADMIN_USERNAME	Initial admin username
LOGCAT_ADMIN_PASSWORD	Initial admin password

docker compose pull
docker compose up -d

For systemd installation:

curl -fsSL https://raw.githubusercontent.com/jincaiw/logcat/v0.2.0/scripts/install-linux.sh | sudo VERSION=0.2.0 bash