Add check for existing SSH config file before creation

start_backup.sh

@@ -36,8 +36,9 @@ for key_type in rsa ed25519; do
     fi 
 done
 
+if [ -f $SSH_CONFIG_FILE ]; then
  
-cat >"$SSH_CONFIG_FILE" <<EOF
+    cat >"$SSH_CONFIG_FILE" <<EOF
 Port $SSH_PORT
 ListenAddress 0.0.0.0
 HostKey $SSH_HOST_KEYS_DIR/ssh_host_rsa_key
@@ -53,6 +54,8 @@ AcceptEnv LANG LC_*
 Subsystem sftp /usr/lib/openssh/sftp-server
 EOF
 
+fi
+
 chown -R $SSH_USER:$SSH_USER "/home/$SSH_USER"
 # Start SSH daemon
 echo "Starting SSH server on port $SSH_PORT..."