下面哪条命令可以关闭crond.service服务？
A: systemctl status crond.service
B: systemctl stop crond.service
C: systemctl start crond.service
D: systemctl restart crond.service
A: systemctl status crond.service
B: systemctl stop crond.service
C: systemctl start crond.service
D: systemctl restart crond.service
举一反三
- 想要启动一下crond服务，应该使用如下那个命令？ A: systemctl status crond.service B: systemctl stop crond.service C: systemctl start crond.service D: systemctl list-units -t service
- 下面哪条命令可以关闭crond.service服务？ A: systemctl status crond.service B: systemctl stop crond.service C: systemctl start crond.service D: systemctl restart crond.service
- 下面哪条命令可以关闭crond.service服务？ A: systemctl status crond.service B: systemctl stop crond.service C: systemctl start crond.service D: systemctl restart crond.service
- 下列（）命令可以启动DNS服务 A: systemctl start named B: service dns start C: systemctl start dns D: service start named
- 在RHEL7中，下列哪个命令可以关闭防火墙？ A: service firewalld stop B: systemctl stop firewalld.service C: service firewalld reload D: systemctl firewalld.service stop