# Known Issues of Zabbix
###### tags: `By_Ivan`
#### 1. issue with permission (service not running): [reference](https://www.zabbix.com/forum/zabbix-troubleshooting-and-problems/389428-failed-to-start-zabbix-server-for-1st-time)
Solution:
```shell=
# ausearch -c 'zabbix_server' --raw | audit2allow -M my-zabbixserver
# semodule -X 300 -i my-zabbixserver.pp
....
# ausearch -c 'zabbix_server' --raw | audit2allow -M my-zabbixserver
# semodule -i my-zabbixserver.pp
....
# systemctl restart zabbix-server.service
# systemctl status zabbix-server.service
....
```
OR
[Turn off SELinux](https://www.opencli.com/linux/disable-selinux)
#### 2. regex preprocessing can only match up to 9 results in each step:
Solution:
split the string into multiple segments, and perform regex parsing separately.
#### 3. CentOS 8 has issue with libssh:
Plz refer to this [page](https://hackmd.io/@mcnlab538/rkCEOlz5v)