The Elasticsearch upgrade process is somewhat straightforward. Download the upgrade, apply it, and then restart the Elasticsearch service. However, in NetVizura we are not using elastic-licensed Elasticsearch but apache-licensed installation. Elasticsearch doesn't deliver such a version in EXE or MSI flavor, therefore you can only download the zip file. To avoid ZIP and BAT file and registry

NoSQL databases differ in almost every aspect when compared to traditional RDBMS. While classic DBs (such as PostgreSQL) have, for example, dumps, Elasticsearch has the snapshotting capability that can be good in some cases but overwhelming in others.

In this blog post, we have covered two types of Elasticsearch backup - one is official and recommended, while the other one is more a

Sometimes we want to limit the availability of the NetVizura application and add additional security layers. Reverse proxy and SSL configuration are here to ensure this. A reverse proxy is an application that forwards requests from client to server, but in a way that the client isn't aware there is something in between. Use cases for this are usually network security oriented. SSL

Elasticsearch is a NoSQL database, usually used as a search engine. However, with its powerful logic, it can be used for pretty much anything. In our case, we have used Elasticsearch to hold aggregated NetFlow data. As we are incorporating it step by step, currently Elasticsearch database is in the beta phase.

Elasticsearch holds data inside indices, which can be interpreted as a

PostgreSQL (commonly known as Postgres) is a well-known, solid as a rock database. And yes, from time to time it craves for an upgrade too. Today we will learn something about PostgreSQL Windows upgrade from version 9.6 to 12.

KEEP IN MIND: As always, backup your database before starting any upgrade procedure.

The psql upgrade is based on pg_upgrade