centos6 采用 service和chkconfig管理服务
centos7 采用systemctl 管理服务
| 任务 | 旧指令 | 新指会 |
|---|---|---|
| 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-enabled 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 |
| 某服务重新加载配置文件 | service httpd reload | systemctl reload httpd.service |