[root@iZ2zea4u8pasyhtllbo54oZ ~]# systemctl list-unit-files UNIT FILE STATE proc-sys-fs-binfmt_misc.automount static dev-hugepages.mount static dev-mqueue.mount static proc-sys-fs-binfmt_misc.mount static sys-fs-fuse-connections.mount static sys-kernel-config.mount static sys-kernel-debug.mount static tmp.mount disabled brandbot.path disabled
[root@iZ2zea4u8pasyhtllbo54oZ ~]# systemctl list-units --all --type=service UNIT LOAD ACTIVE SUB DESCRIPTION aegis.service loaded active running LSB: aegis update. aliyun.service loaded active running Aliyun Assist AssistDaemon.service loaded active running AssistDaemon
设置某服务开机自启，如crond服务
# systemctl enable crond.service
设置某服务卡机不自启动，如crond开机不自启动
# systemctl disable crond.service
查看某服务状态，如查看crond状态
# systemctl status crond.service
停止某服务状态，如停止crond服务状态
# systemctl stop crond.service
开启某服务，如开启crond服务
# systemctl start crond.service
重启某服务，如重启crond服务
# systemctl restart crond.service
检查某服务是否开机自启动，如查看crond服务是否开机自启动
# systemctl is-enabled crond.service
enabled