Page 94 - RHEL8 BOOK

10. Maintain the same Process Id of http service
[root@sun ~]# systemctl reload httpd.service

11. Check whether a service is active (running)
[root@sun ~]# systemctl is-active httpd

12. Check whether a service is enabled or not
[root@sun ~]# systemctl is-enabled httpd

13. To check the if the service is failed state, run the command.
[root@sun ~]# systemctl is-failed httpd

14. To prohibit / restrict a service to be started manually or dynamically.
[root@sun ~]# systemctl mask httpd

15. To revoke mask of a service, run the command;
[root@sun ~]# systemctl unmask httpd

16. To check the list of all active state service running
[root@sun ~]# systemctl list-units --type=service

17. To check the list of total service running
[root@sun ~]# systemctl list-units --type=service | wc –l

18. To check the list of all active and inactive service running
[root@sun ~]# systemctl list-units --type=service –all

19. To check the list of a service running
[root@sun ~]# systemctl list-units-files --type=service | grep httpd

20. Start the http service
[root@sun ~]# systemctl stop httpd

21. Disable the http service
[root@sun ~]# systemctl disable httpd

22. To see the service dependency tree
[root@sun ~]# systemctl list-dependencies httpd.service

S. Pradhan
(MCA, MBA-IT, BCA, CCNA, MCSA 2012, RHCE, ETHICAL HACKING)
Email Id:-spradhan.iiht@gmail.com
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