cat /var/log/zabbix/zabbix_server.log
.
.
.
zabbix_server [19361]: cannot open log: cannot create semaphore set: [28] No space left on device
zabbix_server [19374]: cannot open log: cannot create semaphore set: [28] No space left on device
zabbix_server [19379]: cannot open log: cannot create semaphore set: [28] No space left on device
zabbix_server [19384]: cannot open log: cannot create semaphore set: [28] No space left on device
zabbix_server [19389]: cannot open log: cannot create semaphore set: [28] No space left on device
zabbix_server [19398]: cannot open log: cannot create semaphore set: [28] No space left on device
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[root@localhost admin]# systemctl restart zabbix_server
Failed to restart zabbix_server.service: Unit zabbix_server.service failed to load: No such file or directory.
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[root@localhost admin]# systemctl restart zabbix-server
Job for zabbix-server.service failed because the control process exited with error code. See "systemctl status zabbix-server.service" and "journalctl -xe" for details.

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[root@localhost admin]# systemctl status zabbix-server.service
 zabbix-server.service - Zabbix Server
 Loaded: loaded (/usr/lib/systemd/system/zabbix-server.service; enabled; vendor preset: disabled)
 Active: activating (auto-restart) (Result: exit-code) since Wed 2018-08-15 00:19:46 EDT; 4s ago
 Process: 20099 ExecStart=/usr/sbin/zabbix_server -c $CONFFILE (code=exited, status=1/FAILURE)

Aug 15 00:19:46 localhost.localdomain systemd[1]: Failed to start Zabbix Server.
Aug 15 00:19:46 localhost.localdomain systemd[1]: Unit zabbix-server.service entered failed state.
Aug 15 00:19:46 localhost.localdomain systemd[1]: zabbix-server.service failed.
[root@localhost admin]#
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[root@localhost admin]# cat /etc/selinux/config

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of three two values:
# targeted - Targeted processes are protected,
# minimum - Modification of targeted policy. Only selected processes are protected.
# mls - Multi Level Security protection.
SELINUXTYPE=targeted