Linux systemd 定时器 timer

#!/bin/bash
date >> /tmp/name.txt
echo 1 >> /tmp/name.txt

[Unit]
# 描述信息
Description=My systemd timer Demo

[Timer]
# 首次运行要在启动后10分钟后
OnBootSec=10min
# 每次运行间隔时间
OnUnitActiveSec=1h

[Install]
WantedBy=multi-user.target

[Timer]

OnCalendar=*-*-* *:*:00 # 每分钟执行，与 crontab 类似。
#       hourly → *-*-* *:00:00
#        daily → *-*-* 00:00:00
#      monthly → *-*-01 00:00:00
#       weekly → Mon *-*-* 00:00:00
#       yearly → *-01-01 00:00:00
#    quarterly → *-01,04,07,10-01 00:00:00
# semiannually → *-01,07-01 00:00:00

[Unit]
# 描述信息
Description=My systemd timer Demo

[Service]
Type=simple
ExecStart=/usr/local/bin/name.sh

$ sudo systemctl daemon-reload

$ sudo systemctl enable name.timer

$ sudo systemctl start name.timer

$ systemctl list-timer

$ sudo journalctl -u name.service