Tim Keary

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

Boost productivity with the Linux shell. This guide covers key commands, scripting basics, and automation tips for beginners and advanced users.
By Tim Keary in Net Admin on March 11, 2025
From strong passwords to VPNs, discover essential network security practices every small business should implement to stay protected.
By Tim Keary in Net Admin on March 13, 2025
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 October 1, 2024
Full Comparison: SolarWinds NPM vs Nagios XI. Including a breakdown of the key features, reports, alerts, pricing, requirements, and more & our top pick.
By Tim Keary in Net Admin on February 25, 2025
Not sure whether to take CCNA Routing & Switching or CCNAX? This guide breaks down the key differences, costs, and difficulty levels.
By Tim Keary in Net Admin on March 14, 2025
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 November 30, 2024
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 December 17, 2024
We look at what application performance management is. We also include a discussion of the key features.
By Tim Keary in Net Admin on September 12, 2024
We break down what Windows PowerShell is, and provide you a definitive downloadable PowerShell Commands Cheat Sheet (PDF) as a quick reference to get you started and running your own commands.
By Tim Keary in Net Admin on November 8, 2024
Page 17 of 21