diff --git a/linux/docker install.md b/linux/docker install.md
index 966fd37..eee397b 100644
--- a/linux/docker install.md	
+++ b/linux/docker install.md	
@@ -27,6 +27,14 @@ docker pull portainer/helper-reset-password
 docker run --rm -v /mnt/storage/docker_volumes/portainer_data:/data portainer/helper-reset-password
 
 
+# update portainer 
+<!-- // To update to the latest version of Portainer Server, use the following commands to stop then remove the old version. Your other applications/containers will not be removed. -->
+docker stop portainer
+
+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
 sudo systemctl start docker
 sudo systemctl enable docker