In corporate IT for 10 years. Oracle Linux Sertified and Cisco Certified Network Associate (CCNA) certified. Always interested in new technologies and optimizing older ones, until they shine. Loves community and this is his way of sharing with everyone.

Elasticsearch Windows upgrade

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. Elastic...
read more...
  92 Hits
92 Hits

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...
read more...
  127 Hits
127 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, ...
read more...
  232 Hits
232 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...
read more...
  173 Hits
173 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...
read more...
  1212 Hits
1212 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...
read more...
  1641 Hits
1641 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...
read more...
  846 Hits
846 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...
read more...
  448 Hits
448 Hits

Flows per second – or go with the flow

A flow in networking terms is a unidirectional set of packets containing common attributes (source and destination IP, ports, protocols, etc). By using a flow protocol (e.g. NetFlow, sFlow, IPFIX), network devices can gather information about these a...
read more...
  1094 Hits
1094 Hits

Untangle NetFlow and EventLog configuration

Untangle is a company that is renowned among SMBs, education and nonprofit organizations for its software-based applications that consist of NG firewall and SD-WAN router. Lately, Untangle has also developed Command Center, a remote cluster managed G...
read more...
  683 Hits
683 Hits

Contact

Mailing and Visiting Address:
Soneco d.o.o.
Makenzijeva 24/VI, 11000 Belgrade, Serbia
Phone: +381.11.6356319
Fax: +381.11.2455210
sales@netvizura.com | support@netvizura.com

CONNECT WITH US:

linkedin facebook facebook