Upgrading Zabbix 3.2 to 4.2 on Ubuntu

In the test, I’ll upgrade Zabbix Server 3.2 to version 4.2, running on the Ubuntu Server 14.04 operating system, similarly, I can upgrade to version newer 4.2, as well as upgrade older versions of Zabbix, for example 2.0, as well as on the Ubuntu 16.04 and Ubuntu 18.04 operating systems.

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Monitoring PPS (Packets Per Second) in Zabbix

I will give an example of monitoring PPS (Packets Per Second) on network interfaces in Linux.
In order to calculate the number of transmitted packets per second on the network interface, create two simple scripts, the first to calculate the transmitted packets:

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How to solve the error “Unknown Object Identifier (Index out of range: XXX (ifIndex))”

Once I made a Zabbix template for drawing traffic graphs from GPON ports on Huawei SmartAX MA5683T.

From Linux, I looked at the interface indexes with the command:

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