How to install Oracle Java on Ubuntu and Centos

On April 16, 2019, Oracle changed its license to distribute Java SE. Now Oracle’s JRE can be used free of charge only for the home, or when developing software. This entailed various changes, such as the inability to download jvm without registering on the oracle website and closing the main repositories for installing java from packages.

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Upgrade Zabbix 4.0 to 4.2

On April 2, another new version of a cool and convenient monitoring system was released. Today I will tell you how to upgrade zabbix from version 4.0 to the latest version 4.2. Instructions will be detailed and step by step, with a description of all the nuances.

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Monitoring WebSite with Zabbix

I continue my series of articles on setting up a monitoring system based on a popular free product. This time we will setting up a web site monitoring with zabbix server. As an example, take some third-party resource and check on it the standard functionality.

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Cleaning elasticsearch with curator

My article on installing and configuring the log collection system based on the ELK Stack was not complete without one important section. Today I will tell you how to configure automatic cleaning of elasticsearch indexes using curator. Everyone who will operate the system will face this, as it is very demanding of resources. Clearing old indexes increases speed.

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Dashboard for Nginx logs with Kibana+Elasticsearch

Not so long ago, I talked about how to configure the ELK Stack for the centralized storage of logs. Today I want to tell you in detail about how to create a coordinate geographic map based on nginx logs and create a dashboard for it. On this dashboard it is very convenient to monitor the status of a web project …

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Install and configure Zabbix 4.0

On October 1, 2018, a new version of the free monitoring system was released, which I constantly use. I will talk in detail about the installation and initial configuration of Zabbix 4.0 using the example of CentOS, Debian, Ubuntu systems with screenshots and explanations. In this version there are many interesting and useful innovations, so it is definitely worth looking …

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Upgrade Zabbix 3.4 to 4.0

Upgrade zabbix 3.4 to 4.0

On October 1, a new version of the monitoring server Zabbix 4.0 appeared. Today I will tell you how to upgrade zabbix from version 3.4 to the latest version 4.0. I have already used the alpha version for a long time, then rc, so I’m already quite familiar with the new version, and I really liked it.

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Monitoring printers HP, Kyocera, Brother via snmp with zabbix

I’ll tell you about a simple and effective way to monitor network printers in an organization. It will be about setting up monitoring of the status of printers HP, Kyocera, Brother through snmp with Zabbix. I will collect the values of the printed pages for all time, the state of the toner, the name of the cartridge and the serial …

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