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Creating a systemd service in Linux is much easier than writing init scripts. Here is an example to create an iperf3 service for systemd!
OS used in this guide: CentOS 7 with EPEL for the iperf3 package
1. First, install iperf3.
$ sudo yum install iperf3
2. Next, create a user iperf which will be used to run the iperf3 service.
$ sudo adduser iperf -s /sbin/nologin
3. Next, create the following file:
/etc/systemd/system/iperf3.service
Put in the following contents and save the file:
[Unit] Description=iperf3 Service After=network.target [Service] Type=simple User=iperf ExecStart=/usr/bin/iperf3 -s Restart=on-abort [Install] WantedBy=multi-user.target
Reload systemd to see the changes
$ sudo systemctl daemon-reload
Start the iperf3 service:
$ sudo systemctl start iperf3
Check the status:
[stmiller@ny ~]$ sudo systemctl status iperf3
iperf3.service - iperf3 Service
Loaded: loaded (/etc/systemd/system/iperf3.service; disabled)
Active: active (running) since Mon 2014-12-08 13:43:49 EST; 18s ago
Main PID: 32657 (iperf3)
CGroup: /system.slice/iperf3.service
└─32657 /usr/bin/iperf3 -s
Dec 08 13:43:49 ny.stmiller.org systemd[1]: Started iperf3 Service.
[stmiller@ny ~]$
Stop the iperf3 service:
$ sudo systemctl stop iperf3
Start the service at boot:
[stmiller@ny ~]$ sudo systemctl enable iperf3 ln -s '/etc/systemd/system/iperf3.service' '/etc/systemd/system/multi-user.target.wants/iperf3.service'
Disable the service at boot:
$ sudo systemctl disable iperf3
转载请注明来源链接 http://just4fun.im/2017/01/09/centos7-e5-88-9b-e5-bb-basystemctl/ 尊重知识,谢谢:)