WOL

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Wake-on-LAN is a standard that allows a computer to be turned on or woken up by a network message called "Magic Packet".

Amahi supports waking up devices that have a dynamic or static DHCP leases in your network, under Setup > Networking.

These devices some times come with WOL enable. In many PCs, they need to be setup properly by enabling WakeOnLan in their BIOS. This setting has quite a few names in BIOS's out there. Here's a couple of them (find the one you need in the user manual of your motherboard/system):

  • MAC Resume From S3/S4
  • MACPME Power Up Control
  • Power On By Onboard LAN
  • Power Up By Onboard LAN
  • Resume by LAN
  • Resume By WOL
  • Resume on LAN
  • Resume on LAN/PME#
  • Wake on LAN from S5
  • Wake Up On LAN
  • WakeUp by Onboard LAN
  • WOL (PME#) From Soft-Off

To try it, go to Setup > Networking > Static IPs and unfold the row for the device that you want to wake up.

More information on Wake on LAN and how it works ...

If you're trying to wake a remote Linux system, and it's not working, try executing this command on the remote Linux client:

bash code
​ethtool -s eth0 wol g​


Wake-On-LAN Server (Fedora 19)

Wake-On-LAN Server is an app that enables users to wake client devices in their network through their Amahi server. The inspiration and core scripts of Wake-On-LAN Server are Jeremy Blum's work Raspberry Pi Remote Wake-On-LAN Server. Secure login and MySQL database have been added to increase the programs functionality as a App.

Wake-On-LAN Server app is currently in Alpha testing, but for those who want to manually install it:

  • Create the webapp called "wolserver."
  • Create an SQL database called "wolserver"
hda-create-db-and-user wolserver
  • import the tables from the download file.
mysql -uwolserver -pwolserver wolserver < /path/to/sql
  • extract the zip
  • copy all the files to the /var/hda/web-apps/wolserver/html
cp -R ~/Downloads/WOL-server-w-sql/* /var/hda/web-apps/wolserver/html/
  • change the owner of all the files in /var/hda/web-apps/wolserver/html to apache:users
chown -R apache:users /var/hda/web-apps/wolserver/html/

If one wants to access the app outside of the network, you will need to add a VirtualHost to the wolserver.conf file in /etc/httpd/conf.d. 

Listen 8081
<VirtualHost *:8081>

at the top of the ****-wolserver.conf (assuming you want Wake-On-LAN Server to listen on port 8081.)

The default login for Wake-On-LAN Server is "admin/admin"

The passphrase to wake a computer is "wakemeup."

NOTE: To change this passphrase need to edit the wol.php file manually. How to edit is in the comments of the file.

If interested in "Sleep-On-LAN" for a Windows computer, see Jeremy Blum's page. Install the SleepOnLan client for this capability.

References

A more detailed description of how to enable WOL is given here: http://wiki.amahi.org/index.php/Enabling_WOL

Raspberry Pi Remote Wake-On-LAN Server http://www.jeremyblum.com/2013/07/14/rpi-wol-server/

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