Differences

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--- linux:howtos-tips [2014/03/20 13:44]
cyril [Lock on wake up]
+++ linux:howtos-tips [2014/03/28 16:18] (current)
cyril
@@ Line 431: / Line 431: @@
 May be due to some USB devices, even if not plugged. Look if some USB* or EHC* or XHC* are enabled in ''/proc/acpi/wakeup'', and disable them:<code>
 echo EHC1 > /proc/acpi/wakeup
+</code>
+You can run it in a script at boot time right before suspending:<code>
+for usb in "EHC1" "EHC2" "XHC"; do
+        state=`cat /proc/acpi/wakeup | grep $usb | cut -f3 | cut -d' ' -f1 | tr -d '*'`
+        echo "device = $usb, state = $state"
+        if [ "$state" == "enabled" ]; then echo $usb > /proc/acpi/wakeup; fi
+done
 </code>
 ===== Keep screen off when lid shut =====
@@ Line 556: / Line 564: @@
 +gvalue = gclient.get('/desktop/gnome/session/idle_delay')
 </code>
+===== Automatically enable/disable second screen =====
+disper -s
+disper -e
+autodisper
+for completely automatic with dock:
+http://askubuntu.com/questions/42741/how-to-automatically-switch-monitors-with-my-laptop-dock/48627#48627