[Unit]Description=Startup ScriptAfter=network-online.targetWants=network-online.target [Service]ExecStartPre=/bin/sleep 10ExecStart=/bin/bash -c "last -wad | mail -s 'server has been rebooted' root"RemainAfterExit=yes [Install]WantedBy=multi-user.target
[Unit]
Description=Startup Script
After=network-online.target
Wants=network-online.target
[Service]
ExecStartPre=/bin/sleep 10
ExecStart=/bin/bash -c "last -wad | mail -s 'server has been rebooted' root"
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target