1. Stop Logstash Service
Before uninstalling Logstash, you should stop the Logstash service to ensure that it is not running during the uninstallation process. To stop the service, run the following command:
sudo systemctl stop logstash
2. Uninstall Logstash
Logstash can be uninstalled using the package manager (apt) if it was installed through the official Elastic repository.
sudo apt-get purge logstash
purgeremoves Logstash along with its configuration files.If you want to remove only the Logstash package but keep the configuration files, use
removeinstead ofpurge:sudo apt-get remove logstash
3. Remove Unused Dependencies
After uninstalling Logstash, you may have unused packages and dependencies that were installed with it. To clean up these dependencies, run:
sudo apt-get autoremove
4. Delete Remaining Logstash Configuration Files
If you want to delete any residual configuration files that were not removed during the uninstall process (for example, in /etc/logstash or /var/lib/logstash), you can manually delete these directories:
sudo rm -rf /etc/logstash
sudo rm -rf /var/lib/logstash
5. Remove Logstash Data (Optional)
If you want to delete the data that Logstash may have stored, you can remove the Logstash data directory:
sudo rm -rf /var/log/logstash
That's it, you've removed Logstash from your Linux collector.