init

notify-disk-space

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+#export DBUS_SESSION_BUS_ADDRESS="${DBUS_SESSION_BUS_ADDRESS:-unix:path=/run/user/${UID}/bus}"
+#export DISPLAY=:0
+
+for i in $(df --output=pcent);do per=${i%*\%} ;if [ $per -gt 85 ] ;then notify-send "Check diskspace!"  ;fi ;done

notify-disk-space.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=Check for disk space usage
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/notify-disk-space

notify-disk-space.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=Check disk usage periodically
+
+[Timer]
+OnBootSec=5min
+OnUnitActiveSec=10min
+Unit=notify-disk-space.service
+
+[Install]
+WantedBy=timers.target