====== troubleshooting ======
===== mysql =====
 Status: "InnoDB: Error: Attempted to open a previously opened tablespace. Previous tablespace zabbixx/valuemaps uses space ID: 24 at filepath: ./zabbixx/valuemaps.ibd. Cannot open tablespace zabbix/valuemaps which uses space ID: 24 at filepath: ./zabbix/valuemaps.ibd"
<file conf my.conf>
[mysqld]
innodb_force_recovery = 1
</file>
===== zabbix =====
  * Pokud jsme v routovane siti, musi byt na agentu klienta v povolenych adresach i prvni hop na ceste k serveru.