diff --git a/linux/docker install.md b/linux/docker install.md
index eee397b..cb589fa 100644
--- a/linux/docker install.md	
+++ b/linux/docker install.md	
@@ -35,6 +35,11 @@ docker rm portainer
 <!-- start again -->
 docker run -d -p 8000:8000 -p 9000:9000 --name=portainer --restart=always --pull=always -v /var/run/docker.sock:/var/run/docker.sock -v /mnt/data/docker_vol/portainer:/data portainer/portainer-ce
 
+# start portainer with a database copy (/portainer-database-backup.db)
+docker run --rm -v /mnt/data/docker_vol/portainer:/data -v /mnt/shared/DEV/repos/d-popov.com/scripts/portainer-compose-stacks/BACKUPS/20251118-133605:/backup alpine sh -c "rm /data/portainer.db && cp /backup/portainer-database-backup.db /data/portainer.db && ls -lh /data/portainer.db"
+  # remove backup/broken database
+  docker run --rm -v /mnt/data/docker_vol/portainer:/data alpine rm /data/portainer.db && echo "Old database removed"
+
 # start
 sudo systemctl start docker
 sudo systemctl enable docker