[root@INHANOI3 home]# service nginx restart
Redirecting to /bin/systemctl restart  nginx.service
Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.
[root@INHANOI3 home]# systemctl status nginx.service
● nginx.service - nginx - high performance web server
   Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Tue 2018-05-15 00:37:57 ICT; 17s ago
     Docs: http://nginx.org/en/docs/
  Process: 1951 ExecStop=/bin/kill -s QUIT $MAINPID (code=exited, status=0/SUCCESS)
  Process: 1928 ExecReload=/bin/kill -s HUP $MAINPID (code=exited, status=0/SUCCESS)
  Process: 863 ExecStart=/usr/sbin/nginx -c /etc/nginx/nginx.conf (code=exited,
status=0/SUCCESS)
  Process: 1957 ExecStartPre=/usr/sbin/nginx -t -c /etc/nginx/nginx.conf (code=exited, status=1/FAILURE)
 Main PID: 872 (code=exited, status=0/SUCCESS)

May 15 00:37:57 INHANOI3 systemd[1]: Starting nginx - high performance web .....
May 15 00:37:57 INHANOI3 nginx[1957]: nginx: [emerg] unknown directive "[.....:4
May 15 00:37:57 INHANOI3 nginx[1957]: nginx: configuration file /etc/nginx/...ed
May 15 00:37:57 INHANOI3 systemd[1]: nginx.service: control process exited,...=1
May 15 00:37:57 INHANOI3 systemd[1]: Failed to start nginx - high performan...r.
May 15 00:37:57 INHANOI3 systemd[1]: Unit nginx.service entered failed state.
May 15 00:37:57 INHANOI3 systemd[1]: nginx.service failed.
Hint: Some lines were ellipsized, use -l to show in full.
[root@INHANOI3 home]# -l
-bash: -l: command not found
[root@INHANOI3 home]# use -l
-bash: use: command not found
[root@INHANOI3 home]# journalctl -xe
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit nginx.service has failed.
--
-- The result is failed.
May 15 00:37:57 INHANOI3 systemd[1]: Unit nginx.service entered failed state.
May 15 00:37:57 INHANOI3 systemd[1]: nginx.service failed.
May 15 00:37:57 INHANOI3 polkitd[507]: Unregistered Authentication Agent for uni
May 15 00:38:19 INHANOI3 sshd[1901]: pam_systemd(sshd:session): Failed to releas
May 15 00:38:19 INHANOI3 sshd[1901]: pam_unix(sshd:session): session closed for
May 15 00:38:19 INHANOI3 systemd-logind[535]: Removed session 814.
-- Subject: Session 814 has been terminated
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- Documentation: http://www.freedesktop.org/wiki/Software/systemd/multiseat
--
-- A session with the ID 814 has been terminated.
May 15 00:38:39 INHANOI3 sshd[1963]: Invalid user admin from 109.29.43.59
May 15 00:38:39 INHANOI3 sshd[1963]: input_userauth_request: invalid user admin
May 15 00:38:39 INHANOI3 sshd[1963]: pam_unix(sshd:auth): check pass; user unkno
May 15 00:38:39 INHANOI3 sshd[1963]: pam_unix(sshd:auth): authentication failure
May 15 00:38:41 INHANOI3 sshd[1963]: Failed password for invalid user admin from
May 15 00:38:42 INHANOI3 sshd[1963]: Received disconnect from 109.29.43.59: 11:
lines 2353-2376/2376 (END)