Automation/hiperautomation

Automation is a key trend in IT for next years perspective . I assume that in the coming years Automation topic will gain importance in many different contexts including DevXOps. It’s therefore worth taking a closer look. First of all, automation has recently been understood in a narrow way –…

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Reverse DNS zones

Reverse lookup zones play a significant role in DNS systems. DNS is a role that not only translates domain names into IP addresses, but also IP addresses for domain names. Some services require a round trip translation. As in the case of classic zones, it is possible to delegate such…

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DNS HA mechanisms

DNS in the context of global name resolution fulfills its role using many different mechanisms – their knowledge is crucial from the point of view of administering name resolution in the context of high availability services. We will consider several ways to deliver HA zones to customers. Because the client…

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Servers High Availiability / Failovers

Clusters – one of the most popular ways to increase reliability or performance when a single computing unit fails. I have previously written about clusters in the context of reliability and this should be extended. It does not make much sense to generate a cluster on hardware that will not…

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Thing about servers

For a moment we will break away from the DDI subject and we will say a few words about server systems and ways of managing them in medium-sized enterprises. There are many tools for managing systems. They differ in the possibilities, configuration, availability and most importantly the price. Unfortunately, most…

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Into DNS heart – zone definitions

In previous chapters, we familiarized ourselves with the details of the configuration file of the example DNS service based on Linux and daemon bind. It’s time to dive deeper into the zones to understand the rules of their action. Assuming that we have introduced a zone definition in the main…

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Into DNS – named.conf

Since we have experienced DNS, it is worth considering. We mentioned that the DNS server is integrated with Windows. Today we will look at the bind demon. Its configuration, generally speaking, can be broken down into the configuration. The named.conf file allows you to specify the so-called ACLek, or access…

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Introduction to the DNS service

Nobody needs to be convinced how the key role in the life of the Internet is served by DNS services. Silent heroes perform their functions silently while remaining in the shade and ensuring proper resolution of names and addresses. Seemingly, the role and configuration of websites is simple, but before…

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