Adding killall script

README.md

@@ -55,3 +55,16 @@ The first user will need to be created via command line interface, this is uniqu
 ```
 
 From there after, you can just use the admin panel to create users, the admin panel is located in `https://<DOMIN>/admin` (it requires admin user login)
+
+
+## Cleanup
+
+To remove everything from the server, just run the `killall.sh` script:
+
+```shell
+% cd /opt/matrix
+% ./killall.sh 
+WARNING: Will remove everything now. Please confirm: (Y/N) 
+```
+
+Select the option `Y` (yes) and it'll be done

killall.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set -euo pipefail
+
+printf 'WARNING: Will remove everything now. Please confirm: (Y/N) '
+read answer
+
+if [ "${answer}" != "${answer#[Yy]}" ] ;then 
+    echo "Stopping services"
+    systemctl disable --now matrix
+    systemctl disable --now nginx
+    systemctl disable --now coturn
+
+    echo "Purging containers data"
+    docker system prune -a -f
+
+    echo "Purging directories"
+    rm -rf /etc/nginx /etc/turn* /etc/default/coturn /etc/systemd/system/matrix.service /opt/matrix /tmp/matrix /tmp/homeserver.yaml
+    
+    echo "Purging directories"
+    apt remove -y --purge pwgen nginx python3-certbot-nginx coturn* docker*
+
+    systemctl daemon-reload
+
+    echo "Purging finished"
+else
+    echo "KillAll aborted"
+fi