commit 3053907d1b1faff16a28fc349978712796a71141
Author: Gergely Polonkai <gergely@polonkai.eu>
Date:   Wed Apr 27 19:55:53 2016 +0200

    Initial version

diff --git a/apt-config b/apt-config
new file mode 100644
index 0000000..8c5b6ad
--- /dev/null
+++ b/apt-config
@@ -0,0 +1,3 @@
+DPkg {
+    Post-Invoke{"/usr/bin/zabbix_check_updates";};
+};
diff --git a/cronjob b/cronjob
new file mode 100644
index 0000000..a8d63f3
--- /dev/null
+++ b/cronjob
@@ -0,0 +1 @@
+30 16 * * * root /usr/bin/zabbix_check_updates &> /dev/null
diff --git a/zabbix_check_updates b/zabbix_check_updates
new file mode 100644
index 0000000..885c689
--- /dev/null
+++ b/zabbix_check_updates
@@ -0,0 +1,19 @@
+#! /bin/sh
+
+/usr/bin/apt-get -qq update 2> /dev/null
+
+security_update_count=`/usr/bin/aptitude \
+    -o Dir::Etc::sourcelist="/etc/apt/sources.list.d/security.sources.list" \
+    -o "Dir::Etc::sourceparts=/etc/apt/sources.list.d/security.sources.list" \
+    search '~U' \
+    | wc -l`
+update_count=`/usr/bin/aptitude search '~U' | wc -l`
+
+/usr/bin/zabbix_sender -c /etc/zabbix/zabbix_agentd.conf \
+                       -k 'linupdates[total]' \
+                       -o "$update_count"
+/usr/bin/zabbix_sender -c /etc/zabbix/zabbix_agentd.conf \
+                       -k 'linupdates[security]' \
+                       -o "$security_update_count"
+
+exit 0