说明

  在Centos7里,管理系统服务被systemctl命令取代。实际上将 service 和 chkconfig 这两个命令组合到一起。

格式

  systemctl [option] [service name]

新旧命令的对比表
任务 旧命令 新命令
使某服务自动启动 chkconfig —level 3 httpd on systemctl enable httpd.service
使某服务不自动启动 chkconfig —level 3 httpd off systemctl disable httpd.service
检查服务状态 service httpd status systemctl status httpd.service (服务详细信息)
systemctl is-active httpd.service (仅显示是否 Active)
显示所有已启动的服务 chkconfig —list systemctl list-units —type=service
启动某服务 service httpd start systemctl start httpd.service
停止某服务 service httpd stop systemctl stop httpd.service
重启某服务 service httpd restart systemctl restart httpd.service
查看开机自启项
systemctl list-unit-files

左边是服务名称,右边是状态,enabled是开机启动,disabled是开机不启动

查看过滤:

systemctl list-unit-files | grep enable
设置开机自启项
systemctl enable 服务名称