From 6142263b8bcd8cd46d87b51bcf7b16134f506023 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Yann=20M=C3=B6lle?= <hxcde@noreply.localhost>
Date: Wed, 19 Apr 2023 19:28:17 +0200
Subject: [PATCH] =?UTF-8?q?=E2=80=9Erunupdate.sh=E2=80=9C=20hinzuf=C3=BCge?=
 =?UTF-8?q?n?=
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---
 runupdate.sh | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 runupdate.sh

diff --git a/runupdate.sh b/runupdate.sh
new file mode 100644
index 0000000..bede099
--- /dev/null
+++ b/runupdate.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+# List of server IP addresses as strings
+SERVER_LIST=("192.168.1.100" "192.168.1.101" "192.168.1.102")
+
+# Loop through the server list
+for SERVER in "${SERVER_LIST[@]}"
+do
+  echo "Checking for updates on server: ${SERVER}"
+  
+  # Establish SSH connection to remote server and run commands to check for updates
+  SSH_RESULT=$(ssh username@${SERVER} "sudo apt-get update > /dev/null && apt list --upgradable")
+
+  # If updates are available, inform the user
+  if [ -n "${SSH_RESULT}" ]; then
+    echo "Updates available on server ${SERVER}:"
+    echo "${SSH_RESULT}"
+    echo ""
+  else
+    echo "No updates available on server ${SERVER}"
+    echo ""
+  fi
+done
+
+# Prompt user to confirm if they want to update the listed servers
+read -p "Do you want to update the listed servers? (Yes/No): " UPDATE_CONFIRMATION
+
+# If the user confirms with "Yes", update the servers and store the update status for each server in a list
+if [[ $UPDATE_CONFIRMATION == "Yes" ]]; then
+  UPDATE_STATUS=()
+  for SERVER in "${SERVER_LIST[@]}"
+  do
+    echo "Updating server: ${SERVER}"
+  
+    # Establish SSH connection to remote server and run commands to update
+    ssh username@${SERVER} "sudo apt-get update > /dev/null && sudo apt-get upgrade -y" > /dev/null 2>&1
+  
+    # Check the return value of ssh to determine if the update was successful
+    if [[ $? -eq 0 ]]; then
+      UPDATE_STATUS+=("${SERVER}: Update successful")
+      echo "Server ${SERVER} updated."
+    else
+      UPDATE_STATUS+=("${SERVER}: Update failed")
+      echo "Failed to update server ${SERVER}."
+    fi
+  done
+
+  # Summary of update status
+  echo ""
+  echo "Summary of update status:"
+  for STATUS in "${UPDATE_STATUS[@]}"
+  do
+    echo "${STATUS}"
+  done
+else
+  echo "Updates cancelled."
+fi