Remove older kernels and snapd

Author: gmelikov

genesis/images/genesis_base/install.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Copyright 2025 Genesis Corporation
+# Copyright 2025-2026 Genesis Corporation
 #
 # All Rights Reserved.
 #
@@ -90,6 +90,17 @@ sudo chpasswd < /tmp/__passwd
 rm -f /tmp/__passwd
 
 # Cleanup
+# remove old kernels, headers and modules, keep only the latest one
+LATEST_KERNEL=$(dpkg --list | grep 'linux-image-[0-9]' \
+    | awk '{print $2}' | sort -V | tail -1 \
+    | sed 's/linux-image-//' | sed 's/-generic$//')
+OLD_PKGS=$(dpkg --list \
+    | grep -E "linux-(image|headers|modules|modules-extra)-[0-9]" \
+    | awk '{print $2}' | grep -v "$LATEST_KERNEL")
+if [ -n "$OLD_PKGS" ]; then
+    sudo DEBIAN_FRONTEND=noninteractive apt-get autopurge -y $OLD_PKGS
+fi
+sudo apt autopurge -y snapd libllvm19
 sudo rm -fr /opt/gci_base
 sudo apt-get clean
 sudo rm -rf /var/lib/apt/lists/*