問題：怎么將Python腳本以systemd的方式運(yùn)行？怎么把Python應(yīng)用設(shè)置為自動(dòng)啟動(dòng)？

Step 1 編寫Python應(yīng)用（最好以virtualenv的方式，將python和模塊安裝到Python應(yīng)用目錄中），不管以模式或者其他方式運(yùn)行，只要記下可以正常運(yùn)行的命令行以及相應(yīng)的目錄。

/data/xncd/python/xnbatchpersistence/venv/bin/python -m  app.schedule.scheduler

Step 2 生成systemd服務(wù)文件

vi /lib/systemd/system/xnbatch.service

文件內(nèi)容如下：

 [Unit]
 Description=xnBatch Service
 After=multi-user.target
 Conflicts=getty@tty1.service

 [Service]
 Type=simple
 WorkingDirectory=/data/xncd/python/xnbatchpersistence
 ExecStart=/data/xncd/python/xnbatchpersistence/venv/bin/python  -m  app.schedule.scheduler
 StandardInput=tty-force

 [Install]
 WantedBy=multi-user.target

Step 3 啟用服務(wù)

systemctl daemon-reload
systemctl enable xnbatch
systemctl start xnbatch

Step 4 檢測(cè)服務(wù)是否正常運(yùn)行

systemctl status xnbatch

如果顯示為activate，則表示安裝成功：

systemctl status xnbatch
● xnbatch.service - xnBatch Service
   Loaded: loaded (/usr/lib/systemd/system/xnbatch.service; enabled; vendor preset: disabled)
   Active: active (running) since 二 2019-10-08 21:55:57 CST; 18min ago
 Main PID: 13755 (python)
   CGroup: /system.slice/xnbatch.service
           └─13755 /data/xncd/python/xnbatchpersistence/venv/bin/python -m app.schedule.scheduler

10月 08 21:55:57 izuf66xttbby2as7xqznx2z systemd[1]: Started xnBatch Service.

Step 4 服務(wù)控制

停止服務(wù)

systemctl stop xbatch

啟動(dòng)服務(wù)

systemctl start xnbatch

重啟服務(wù)

systemctl restart xnbatch