Wake-On-LAN (WOL) Scripts - Fall Asleep If No Time Machine Backup Is Running on /mnt and Nobody Is Streaming via Plex
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| if [[ $EUID -ne 0 ]]; then | |
| echo "This script must be run as root"; | |
| exit 1; | |
| fi | |
| while true | |
| do | |
| DATE_AND_TIME=$(date '+%Y-%m-%d %H:%M:%S'); | |
| echo "### $DATE_AND_TIME" | |
| NUMBER_OPEN_FILES="$(lsof -w /mnt/* | grep /mnt/ | wc -l)" | |
| NUMBER_OF_TRANSCODES="$(ps aux | grep '/usr/lib/plexmediaserver/Plex Transcoder' | grep -v grep | wc -l)" | |
| if [ "$NUMBER_OPEN_FILES" -eq "0" ] && [ "$NUMBER_OF_TRANSCODES" -eq "0" ]; then | |
| echo "No files open AND no one is watching on Plex!"; | |
| echo "Going to sleep now, good night! zzzZZZ..."; | |
| systemctl suspend; | |
| else | |
| echo "Cannot sleep, $NUMBER_OPEN_FILES file(s) still open AND $NUMBER_OF_TRANSCODES transcode(s) active on Plex."; | |
| fi | |
| echo "Next update in 10 minutes..."; | |
| sleep 600; | |
| done |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # https://necromuralist.github.io/posts/using-systemd-to-enable-wake-on-lan/ | |
| [Unit] | |
| Description=Enable Sleeper Script | |
| [Service] | |
| Type=simple | |
| ExecStart = /home/<your username>/sleep.sh | |
| PIDFile=/tmp/sleeper.pid | |
| [Install] | |
| WantedBy=basic.target |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <?php | |
| if (!empty($_GET['act'])) { | |
| // This is evil, we do not allow any user input here! | |
| // https://github.com/jpoliv/wakeonlan/blob/master/wakeonlan | |
| shell_exec('./wakeonlan 00:AA:BB:CC:DD:EE'); // Change Me | |
| header('Location: '.'https://<your.hostname>/wol/'); // Change Me | |
| } | |
| $info = json_decode(getStateFromHASS(), true); | |
| $state = $info['state']; | |
| $last_changed = parseDate($info['last_changed']); | |
| function getStateFromHASS() { | |
| $ch = curl_init(); | |
| // Hostname | |
| curl_setopt($ch, CURLOPT_URL, 'https://<your.home.assistant.hostname>/api/states/switch.wake_on_lan'); // Change Me | |
| // Authentication | |
| curl_setopt($ch, CURLOPT_HTTPHEADER, array('Authorization: Bearer <Your Long-Lived Access Token>')); // Change Me | |
| // Mute cURL | |
| curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | |
| $result = curl_exec($ch); | |
| curl_close($ch); | |
| return $result; | |
| } | |
| function parseDate($dateStr) { | |
| $dateStr = date_parse($dateStr); | |
| $year = $dateStr['year']; | |
| $month = str_pad($dateStr['month'], 2, '0', STR_PAD_LEFT); | |
| $day = str_pad($dateStr['day'], 2, '0', STR_PAD_LEFT); | |
| $hour = str_pad($dateStr['hour'], 2, '0', STR_PAD_LEFT); | |
| $minute = str_pad($dateStr['minute'], 2, '0', STR_PAD_LEFT); | |
| $second = str_pad($dateStr['second'], 2, '0', STR_PAD_LEFT); | |
| date_default_timezone_set('Europe/Berlin'); | |
| $ts = gmmktime($hour, $minute, $second, $month, $day, $year); | |
| return date("Y-m-d H:i:s", $ts); | |
| } | |
| ?> | |
| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> | |
| <link rel="shortcut icon" href="favicon.ico"> | |
| <title>Wake-on-LAN</title> | |
| <style> | |
| .center { | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| height: 100px; | |
| text-align: center; | |
| } | |
| input[name="submit_btn"] | |
| { | |
| font-size: 2rem; | |
| width: 300px; | |
| height: 100px; | |
| } | |
| </style> | |
| </head> | |
| <body id="main"> | |
| <div class="center"> | |
| <pre><?php echo 'Server is:<br>'.$state.'<br>'.'Last changed:<br>'.$last_changed;?> | |
| </pre> | |
| </div> | |
| <div class="center"> | |
| <form action="index.php" method="get"> | |
| <input type="hidden" name="act" value="run"> | |
| <input type="submit" name="submit_btn" class="button" value="Wake Up Server" /> | |
| </form> | |
| </div> | |
| </body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # https://necromuralist.github.io/posts/using-systemd-to-enable-wake-on-lan/ | |
| [Unit] | |
| Description=Enable Wake On Lan | |
| [Service] | |
| Type=oneshot | |
| ExecStart = /usr/sbin/ethtool --change <your LAN interface> wol g | |
| [Install] | |
| WantedBy=basic.target |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
During sleep (S3 -- Suspend to RAM) my 41 watts home server only draws 2 watts. I wrote a script so that it automatically falls asleep, if nobody uses it (for TimeMachine backups and Plex streaming). I can monitor its power consumption and state using Home Assistant and I even wrote a script, which can be used to wake it up again (in case I don't like to use Home Assistant for that).
Home Assistant UI:
Wakeup Script:
