linux系统 更改关机等待时间

改变 /etc/systemd/system.conf 中的DefaultTimeoutStopSec

#/bin/sh
echo "config shutdown time"
CONFIG_PARA='#DefaultTimeoutStopSec=90s/DefaultTimeoutStopSec=10s'
echo password| sudo -S  sed -i s/$CONFIG_PARA/ /etc/systemd/system.conf