待机后定时唤醒,本人ubuntu 14.04 LTS
测试例子:待机60秒后唤醒
写一个定时的脚本 suspend_until.sh
比如早上8点半自动唤醒
参考 [url]http://goo.gl/apFmNA[/url] 原文中的定时脚步代码中: sudo rtcwake -l -m mem -t $DESIRED 本人已经修改成 sudo rtcwake -u -m mem -t $DESIRED
修改后的测试时间是完全正确的,只是终端命令中现实出来的时间不对,实际待机唤醒的时间是对的
测试例子:待机60秒后唤醒
sudo rtcwake -u -s 60 -m mem
写一个定时的脚本 suspend_until.sh
#!/bin/bash
# Auto suspend and wake-up script
#
# Puts the computer on standby and automatically wakes it up at specified time
#
# Written by Romke van der Meulen <redge.online@gmail.com>
# Minor mods fossfreedom for AskUbuntu
#
# Takes a 24hour time HH:MM as its argument
# Example:
# suspend_until 9:30
# suspend_until 18:45
# ------------------------------------------------------
# Argument check
if [ $# -lt 1 ]; then
echo "Usage: suspend_until HH:MM"
exit
fi
# Check whether specified time today or tomorrow
DESIRED=$((`date +%s -d "$1"`))
NOW=$((`date +%s`))
if [ $DESIRED -lt $NOW ]; then
DESIRED=$((`date +%s -d "$1"` + 24*60*60))
fi
# Kill rtcwake if already running
sudo killall rtcwake
# Set RTC wakeup time
# N.B. change "mem" for the suspend option
# find this by "man rtcwake"
sudo rtcwake -u -m mem -t $DESIRED &
# feedback
echo "Suspending..."
# give rtcwake some time to make its stuff
sleep 2
# then suspend
# N.B. dont usually require this bit
#sudo pm-suspend
# Any commands you want to launch after wakeup can be placed here
# Remember: sudo may have expired by now
# Wake up with monitor enabled N.B. change "on" for "off" if
# you want the monitor to be disabled on wake
# xset dpms force on
# and a fresh console
clear
echo "Good morning!"
chmod +x suspend_until.sh
比如早上8点半自动唤醒
suspend_until.sh 8:30
参考 [url]http://goo.gl/apFmNA[/url] 原文中的定时脚步代码中: sudo rtcwake -l -m mem -t $DESIRED 本人已经修改成 sudo rtcwake -u -m mem -t $DESIRED
修改后的测试时间是完全正确的,只是终端命令中现实出来的时间不对,实际待机唤醒的时间是对的