Vyacheslav

Solution reCAPTCHA Failed to open stream: Connection timed out

Once on one server, on all pages where reCAPTCHA was used, they stopped working: contact form, forum registration form, password recovery forms, etc.

1 Gbps per ONU BDCOM

By default, on all ONUs of any manufacturers that are connected to the BDCOM OLT, the maximum speed is set to 100 Mbps, in order to increase it, you must specify a pair of commands for a specific ONU.

Solution Free disk space is less than 5% on volume /boot

One day Zabbix told me that there is not enough free space on the /boot partition on one server

High CPU usage on BDCOM P3608

One day I noticed that on some BDCOM P3608 and P3608B CPU usage is higher than on the others.

Custom intervals in Zabbix

In this article, I will give an example of specifying custom intervals for items in Zabbix so that they are polled only at the specified time, and not constantly at the usual interval.