NetVizura Blog

Elasticsearch backup and restore

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...
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  44 Hits
44 Hits

NetVizura and Tomcat reverse proxy and SSL configuration

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, ...
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  147 Hits
147 Hits

NetVizura and Elasticsearch - How we did it?

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...
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  137 Hits
137 Hits

Elasticsearch as Big Data analytics tool

Every day approximately 2.5 quintillion bytes of data are generated. Data comes from a vast majority of different sources. This data is referred to as Big Data. Most of the time, Big Data is unstructured and doesn't make sense when presented as raw d...
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  244 Hits
244 Hits

PostgreSQL upgrade (version 9.6 to version 12)

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 a...
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  900 Hits
900 Hits

Agile roadmap

Management process is composed out of 4 phases: Planning – this is when we set a goal and decide where are we going and where do we want to arrive in the futureOrganizing – once we know what is our goal, we need to group and regroup our resources so ...
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  1171 Hits
1171 Hits

Aruba NetFlow and EventLog configuration

Aruba is a global network company, a leader in Wi-Fi technology. Their most renowned merchandise are switches, which are purpose-built for the cloud, mobile and IoT. Users find Aruba CLI very comprehensible and its remarkably well designed GUI contai...
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  1534 Hits
1534 Hits

Open vSwitch NetFlow configuration

Open vSwitch (sometimes called OvS) is an open-source implementation of distributed virtual multilayer switch. The main role of OvS is to provide a switching stack for hardware virtualization and is slowly replacing Linux native bridge/bonds. Open vS...
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  772 Hits
772 Hits

How to integrate React code with legacy Google Web Toolkit (GWT)

Google Web Toolkit (GWT) is a mature framework, stable and reliable, used in many large projects. However, seems as if it is exiting the spotlight in modern web development. In the past few years, there were just a few official GWT releases and many ...
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  1073 Hits
1073 Hits

QoS – Or life in the fast lane

In a day-to-day life of Network and security admins, QoS (Quality of Service) is a crucial mechanism in ordering all the data that travels through the network. QoS provides traffic prioritization as it enables a different level of importance to diffe...
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  420 Hits
420 Hits

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