how to use linux shell check informatica service not work

To check if an Informatica service is running on a Linux system using the command line or shell, you can follow these steps:

1. **Identify the Informatica service name**: The service name usually ends with "-service" or "informatica-srv". It's typically found in the `/etc/init.d` directory or as a systemd service (e.g., `informatica-server`).

2. **Check service status**: Run one of the following commands depending on your Linux distribution and service manager:

- **For traditional init.d scripts**:

     sudo service [service_name] status

- **For systemd services** (Ubuntu, Debian, CentOS, etc.) :

     sudo systemctl status [service_name]

3. **Start the service**: If it's not running, you can start it like this:

   sudo service [service_name] start

Or for systemd:

   sudo systemctl start [service_name]

4. **Verify it works**: After starting, you can again check the status to ensure it's up and running.

If you're getting issues, possible reasons might include missing dependencies, incorrect configuration, insufficient permissions, or a crashed instance. To troubleshoot further, try checking log files (usually located at `/var/log/informatica/[logs_folder]/[service_log_file]`) for error messages.