ps.service

[Unit]
#systemd docs https://wiki.archlinux.org/index.php/Systemd
Description=Program School Service
After=network.target

# /lib/systemd/system/

[Service]
Type=simple
# simple - A long-running process that does not background its self and stays attached to the shell.
# forking - A typical daemon that forks itself detaching it from the process that ran it, effectively backgrounding itself.
# oneshot - A short-lived process that is expected to exit.
# dbus - Like simple, but notification of processes startup finishing is sent over dbus.
# notify - Like simple, but notification of processes startup finishing is sent over inotify.
# idle - Like simple, but the binary is started after the job has been dispatched.
#EnvironmentFile=-/etc/default/ssh
# ExecStartPre=/bin/bash /home/
ExecStart=/bin/bash /home/services/start.sh
PIDFile=/var/run/ps.pid
# ExecReload=/bin/kill -HUP $MAINPID
ExecStop=/bin/bash /home/services/stop.sh
KillMode=process
Restart=on-failure
#no（默认值）：退出后不会重启
#on-success：只有正常退出时（退出状态码为0），才会重启
#on-failure：非正常退出时（退出状态码非0），包括被信号终止和超时，才会重启
#on-abnormal：只有被信号终止和超时，才会重启
#on-abort：只有在收到没有捕捉到的信号终止时，才会重启
#on-watchdog：超时退出，才会重启
#always：不管是什么退出原因，总是重启
User=root
RestartPreventExitStatus=255
TimeoutStopSec=5
RestartSec=5

[Install]
WantedBy=multi-user.target
#Alias=ps.service