![]() Here's an example of how to use ethtool and wol with SecureON (note that the password contains 6 hexadecimal numbers): Wake-on-lan has a SecureON password feature. Until doīoth scripts must of course be made executable with chmod +x # Use mythTV status port as backend connectivity test # b) to cover the rare case that backend was shutting down when first one sent ![]() # a) it is decided that the early-running script above is not needed, or # Could optionally send a wakeup packet here, if This script can be added to the user's autostarted sessions (in place of the normal 'mythfrontend' script). That way, the frontend will start cleanly without any error panels such as "no UPnP backends found", etc. Now we need a script which waits until the backend is ready to accept client connections, before starting mythfrontend. ), it can be made to run at bootup by issuing: Until /usr/bin/wakeonlan $SERVER_MAC > /dev/null 2>&1 doĪfter the above script has been placed in /etc/init.d/ (and marked executable with chmod +x. # is active and the magic packet is successfully sent. # Issue wakeonlan at intervals until our own network interface These scripts use 'wakeonlan' from Ubuntu package repos, but wol or ether-wake would work just as well. If the overall bootup time is not considered to be an issue, this script can be omitted and the wakeonlan command can be issued from the script which runs from the user's auto-started sessions (called mythfestart.sh, further down). The purpose of the first script is to issue the WOL packet as early as possible. to boot rapidly from flash memory), so the practical solution is simply to use an /etc/init.d script in the frontend, and wait while the frontend and backend boot serially. ![]() Ideally the frontend and backend would boot concurrently, however that's difficult to arrange without building a special environment (e.g. S.sendto('\xff'*6+'\x00\x1A\x92\x9D\圆9\x85'*16, ('', 7)) "īy adding one or two scripts into a remote frontend, it will automatically start the backend, and then wait until the backend is ready to accept a client connection. # python -c "import socket s=socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) Maybe not as clean, but works on all systems where Python is available, replace the '\x00\x1A\x92\x9D\圆9\x85' with the numbers of your backend's MAC address: If all went well, your mythbox will boot up now! There are other clients for Windows, Mac OS X and iPhone as well. I used a wake-on-lan client from Sourceforge. Turn off your mythbox and from another computer execute the following command (replacing the MAC address with the one you just found). First, determine the MAC address of the machine you want to power on: You will need a wake-on-lan client to send 'magic packets' over your network. Sending 'magic packet' to wake up your mythbox Now turn off you mythbox and send it a 'magic packet'. To make this setting permanent edit /etc/rc.local:Īdd ethtool -s eth0 wol g above the 'exit 0' line. To make this setting permanent edit /etc/network/interfaces, in the auto eth0 section (or you might have an auto lo section) add at the end: If the ethtool program exists, WOL will be turned on automatically. Sudo systemctl enable systemctl daemon-reloadīefore making manual additions, see: /usr/lib/pm-utils/power.d/disable_wol. $ sudo -preserve-env systemctl edit -force -full Wake-up on LANįor eth0 (for example), activate it with the following. If the operating system doesn't permit WOL automatically and systemd Since after rebooting Wake-on will be reset, you will want to add this setting somewhere in your boot up. When you run `sudo ethtool eth0` again you will see that "Wake-on: d" (disable wake on nothing) has changed to "g" (wake on magic packet) In addition, you need to tell your network card to enable wake-on-lan: Next, you need to make sure that wake-on-lan support is enabled in the BIOS (although, this does not seem to be necessary for my motherboard). The 'g' in Supports Wake-on: pumbg indicates that wake-on-lan by using a 'magic packet' is indeed supported. Supported link modes: 10baseT/Half 10baseT/FullĪdvertised link modes: 10baseT/Half 10baseT/Full 4.1 Wake On LAN, Fedora 11 and Realtek RTL8111/8168 (etc)įirst, find out whether your network card supports wol:.4 Wake-on-LAN supported but just won't wake up.2 Sending 'magic packet' to wake up your mythbox.
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