Moved some scripts to a VPS directory

VPS/AptUpdateWatcher.sh

@@ -0,0 +1,61 @@
+#! /bin/bash
+
+# This script updates the apt database if running as root and retrieves the number of upgradable packages.
+# If the count is high enough or if some important packages can be upgraded, inform the administrator.
+
+
+while getopts ":c:p:h" option; do
+	case ${option} in
+		c )
+			trigger_count=$OPTARG
+			;;
+		p )
+			# Add each matching option to the array
+			key_packages+=("$OPTARG")
+			;;
+		h | \? | : )
+			echo "Usage : AptUpdateWatcher [-c count] [-p package matching regex] [-h] [-?]"
+			echo "	-c : Change the minimum count of upgradable packages before sending a warning"
+			echo "	-p : Add an expression to watch for important packages. If a package matching this option is found, send a warning"
+			echo "	-h/-? : Prints this message"
+			exit 1
+			;;
+	esac
+done
+
+# Use default options if nothing provided
+
+if [ -z "$trigger_count" ]; then
+	trigger_count=20
+fi
+
+if [ -z "$key_packages" ]; then
+	key_packages=( "ssh" "ssl" "apache" "kernel" )
+fi
+
+
+if [ "$EUID" -eq 0 ]; then
+	apt-get update
+fi
+
+upgradable_packages="$(apt-get -s -V upgrade | grep -e'=>')"
+upgradable_count=$(echo "$upgradable_packages" | wc -l)
+
+if [ $upgradable_count -gt $trigger_count ]; then
+	output="There are more than $trigger_count packages ready to upgrade ($upgradable_count packages):\n"
+	output+="$upgradable_packages\n\n"
+fi
+
+for expression in "${key_packages[@]}"; do
+	matching_packages=$(echo "$upgradable_packages" | grep -e"$expression")
+	if [ -n "$matching_packages" ]; then
+		output+="Packages matching the expression '""$expression""' can be upgraded: \n"
+		output+="$matching_packages\n\n"
+	fi
+done
+
+if [ -n "$output" ]; then
+	output="The Apt Update Watcher has been triggered.\n\n""$output"
+
+    echo -e "$output" # Can be replaced by anything or piped into sendmail
+fi

VPS/package_save.sh

@@ -0,0 +1,63 @@
+#! /bin/bash
+
+name=packages_state
+location="$HOME/SYS_SAVES/"
+
+if [ $# -ne 0 ]; then
+	if [ ! -z "$1" -a "$1" != "here" ]; then
+		name=$1
+	fi
+	if [ "$2" = here -o "$1" = here ]; then
+		location="."
+	elif [ ! -z "$2" ]; then
+		echo "Second argument can be void or 'here' only"
+		exit
+	fi
+fi
+
+cd $location
+pathName="$name""_$(date +'%Y-%m-%d @ %Hh%M')"
+
+mkdir "$pathName"
+cd "./$pathName"
+mkdir "./preferences.d"
+
+cp /etc/apt/sources.list .
+cp /etc/apt/preferences.d/my_preferences ./preferences.d/
+cp -r --copy-contents /etc/apt/sources.list.d .
+
+sudo dpkg --get-selections > "manual_package_save"
+
+a=C4.sh
+
+echo "#! /bin/bash" > $a
+echo "" >> $a
+echo "cd .." >> $a
+echo "rm -r \"$pathName\"" >> $a
+
+chmod u+x "$a"
+
+b="package_restore.sh"
+
+echo "#! /bin/bash" > $b
+echo "" >> $b
+echo 'if [ $(id -u) -ne "0" ]; then' >> $b
+echo '	 echo "Please execute with superuser privileges"' >> $b
+echo "	 exit -1" >> $b
+echo fi >> $b
+echo "" >> $b
+echo cp ./sources.list /etc/apt/sources.list >> $b
+echo cp ./preferences.d/my_preferences /etc/apt/preferences.d/my_preferences >> $b
+echo 'cp -r ./sources.list.d/* /etc/apt/sources.list.d' >> $b
+echo "" >> $b
+echo apt-get update >> $b
+echo apt-get install dselect >> $b
+echo "dpkg --set-selections < "manual_package_save"" >> $b
+echo apt-get dselect-upgrade >> $b
+echo apt-get remove dselect >> $b
+
+chmod u-x "$b"
+
+cd -
+
+exit