author-image

Tim Keary

Tim writes extensively on network administration topics helping businesses and entrepreneurs to keep their data and assets protected. He was previously the cybersecurity editor at VentureBeat and has been freelance since 2017.

Articles by Tim

A guide exploring what MPLS is and how organizations use it to improve their networks. This includes
By Tim Keary in Net Admin on February 8, 2023
In this article we look at what the Linux Shell is and provide you with some basic commands to help
By Tim Keary in Net Admin on July 22, 2019
Small Business Guide: Network Security Essentials - to help small businesses get started in implemen
By Tim Keary in Net Admin on October 11, 2022
In this article we compare SolarWinds Network Performance Monitor and Zenoss Core to see which is best. Includes a detailed comparison of features and pricing options.
By Tim Keary in Net Admin on September 20, 2023
Full Comparison: SolarWinds NPM vs Nagios XI. Including a break down of the key features, reports, alerts, pricing, requirements, more & our top pick.
By Tim Keary in Net Admin on September 20, 2023
In this article we compare the CCNA ICND1 and ICND2 exam route to the CCNAX. Includes a break down o
By Tim Keary in Net Admin on January 8, 2019
In this guide, we break down what SDN is, and look at the advantages and disadvantages of leveraging this technology within an enterprise environment. We also look at how SDN compares to traditional networking.
By Tim Keary in Net Admin on October 25, 2020
Nmap (or “network mapper”) is one of the most popular free network discovery tools on the market. In this guide we show you how Nmap works and how to use it.
By Tim Keary in Net Admin on April 27, 2023
We look at what application performance management is. We also include a discussion of the key features.
By Tim Keary in Net Admin on December 18, 2023
Page 17 of 21