From ab12e5dd0e5ab6682d3761b833984d15d64b26ae Mon Sep 17 00:00:00 2001
From: Christian Ohlsson <crille@crille.org>
Date: Wed, 4 Feb 2026 12:31:33 +0100
Subject: [PATCH] Uppdatera

---
 uppdatera.sh | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 uppdatera.sh

diff --git a/uppdatera.sh b/uppdatera.sh
new file mode 100644
index 0000000..95ce95b
--- /dev/null
+++ b/uppdatera.sh
@@ -0,0 +1,52 @@
+#!/bin/bash
+
+# Placera scriptet i /bin på en Debian-server
+
+set -e
+
+# ===== FÄRGER =====
+GREEN="\e[32m"
+RESET="\e[0m"
+
+info() {
+  echo -e "${GREEN}$1${RESET}"
+}
+
+# ===== SÄKERHET =====
+if [ "$EUID" -ne 0 ]; then
+  echo "Detta script måste köras som root."
+  exit 1
+fi
+
+info "=== Systemunderhåll startar ==="
+
+info "Uppdaterar paketlistor..."
+apt update
+
+info "Uppgraderar systemet (full-upgrade)..."
+apt full-upgrade -y
+
+info "Tar bort onödiga paket..."
+apt autoremove --purge -y
+
+info "Rensar paketcache..."
+apt clean
+
+info "Tar bort gamla kärnor..."
+current_kernel=$(uname -r)
+info "Aktiv kärna: $current_kernel"
+
+dpkg -l 'linux-image-*' \
+  | awk '/^ii/{ print $2 }' \
+  | grep -v "$current_kernel" \
+  | xargs -r apt purge -y
+
+info "Uppdaterar grub..."
+update-grub
+
+# ===== OMSTART =====
+if [ -f /var/run/reboot-required ]; then
+  info "⚠ Systemet behöver startas om."
+fi
+
+info "=== Systemunderhåll klart ==="
\ No newline at end of file