I just installed Zabbix-5.0 LTS on RHEL-8 OS. After logging in on the Zabbix fronend, I get message that "Zabbix server is not running:the information displayed may not be correct". Kindly help me with server installation.

My Zabbix server port is 10051.

On entering service zabbix start, I get output:

Redirecting to /bin/systemctl start zabbix.service
Failed to start zabbix.service:Unit zabbix.service not found.

and on entering systemctl restart zabbix-server zabbix-agent httpd php-fpm I get:

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.

Output of "journalctl -xe":

RHEL8 platform-python[5746]: SELinux is preventing zabbix_server from using the dac_override capability.

*** Plugin dac_overrride (91.4 confidence) suggests ************************
If you want to help identify if domain needs this access or you have a file with the wrong permissions on your system
Then turn on full auditing to get path information about the offending file and generate the error again.

Turn on full auditing
#auditctl -w /etc/shadow -p w
Try to recreate AVC.Then execute
#ausearch -m avc -ts recent
If you see PATH record check ownership/permissions on file, and fix it,
otherwise report as a bugzilla

*** Plugin catchall (9.59 confidence) suggests *************************

If you believe that zabbix_server should have the dac_override capability by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
allow this access for now by executing:
#ausearch -c 'zabbix_server' --raw | audit2allow -M my-zabbixserver
#semodule -X 300 -i my-zabbixserver.pp           

RHEL8 dbus-daemon[779]: [system] Activating service name='org.fedoraproject.Setroubleshootd' requested by ':1.40' (uid=0 pid=748 comm="/usr/sbin/sedispatch " label="sytem_u:system_r:auditd_t:s0") (using servicehelper)

On entering "systemctl status zabbix-server.service", I get output:

zabbix-server.service-Zabbix server: Loaded:....
                                   Process: 4959 
ExecStart=/usr/sbin/zabbix_server -c $CONFILE (code=exited,status=1/FAILURE)
RHEL8 systemd[1]:zabbix-server.service:Control process exited,code=exited status=1
RHEL8 systemd[1]:zabbix-server.service:Failed with result 'exit-code'.
RHEL8 systemd[1]:Failed to start Zabbix Server. What do I do now?
  • Done.Can you now help me regarding this? – BABUPINKY Jun 4 '20 at 22:32
  • How was zabbix installed? – Jeff Schaller Jun 4 '20 at 22:42
  • Via packages from here:zabbix.com/download – BABUPINKY Jun 4 '20 at 22:44
  • I suspect that the installation process did not account for SELinux. If you have the steps you took, those might be useful to address the problem. – Jeff Schaller Jun 4 '20 at 22:46
  • Thanks it worked – BABUPINKY Jun 4 '20 at 23:36

Solved. I had to configure SELinux. Just go to "vim /etc/selinux/config" & change SELinux from "enforcing" to "permissive".After that,reboot the system & then Zabbix server will start working.

  • There are surely more-secure ways to solve this problem. – Jeff Schaller Jun 5 '20 at 2:05

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