update vps_postinstall

bin/vps_postinstall

@@ -8,12 +8,16 @@ BESZEL_SSH_PORT="${BESZEL_SSH_PORT:-45876}"
 BESZEL_SSH_PUBKEY="${BESZEL_SSH_PUBKEY:-"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIChREmc/b6/MeHSbFRdpiUoHStQDGgUKEkyobrWL9nBB"}"
 
 install_packages(){
-  sudo apt -qq update
-  sudo apt -y install ${ADD_PKG}
+  if [ -n "${ADD_PKG}" ]; then
+    sudo apt -qq update
+    sudo apt -y install ${ADD_PKG}
+  fi
 }
 
 remove_packages(){
-  sudo apt -y purge ${DEL_PKG}
+  if [ -n "${DEL_PKG}" ]; then
+    sudo apt -y purge ${DEL_PKG}
+  fi
 }
 
 
@@ -23,11 +27,7 @@ install_beszel(){
     && ./install-agent.sh -p "${BESZEL_SSH_PORT}" -k "${BESZEL_SSH_PUBKEY}" -a
 }
 
-
-
-
-
 install_packages
-#remove_packages
+remove_packages
 install_beszel