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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

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 27, 2023
Configuring a Cisco switch properly means your network can make connections efficiently. In this step-by-step guide, we walk you through configuring Cisco switches and look at some FAQs.
By Tim Keary in Net Admin on December 29, 2023
We look at the differences between docker and virtual machines. Includes an exploration of different use cases, Performance, Management, Portability, Security, Single Point of Failure: Hypervisor, Cost, and which one you should use and when.
By Tim Keary in Net Admin on May 26, 2021
Dive into Appdynamics vs Dynatrace, comparing leading APM tools on AI, cloud monitoring, and more.
By Tim Keary in Net Admin on March 15, 2024
In this article we compare AppDynamics and New Relic to see which is better. Includes a comparison o
By Tim Keary in Net Admin on November 11, 2022
In this article its AppDynamics vs Splunk as we compare these network monitoring tools head to head. Includes a price and feature comparisons. A closer look at application monitoring, cloud monitoring, server monitoring, autodiscovery and AI machine learning. We also look at extensions and add-ons.
By Tim Keary in Net Admin on May 26, 2021
In the late 1980’s, SNMP or the Simple Network Management Protocol first emerged as a solution for managing nodes within a network. Since then SNMP data has been used to measure the system performance of devices across countless vendors to help ensure that networks stay up and running. Today SNMP is one of the most popular networking protocols in the world and snmpwalk has become a go-to method for scanning multiple nodes at once.
By Tim Keary in Net Admin on December 28, 2023
Routing protocols determine how your data gets to its destination and helps to make that process as smooth as possible. Learn about the various types of routing protocol that you will encounter in a modern networking environment. 
By Tim Keary in Net Admin on August 10, 2023
In this article we look at throughput vs bandwidth, what they mean and how they are relevant to network administration. We also look at four powerful network bandwidth, throughput and performance monitoring tools and key ways to optimize traffic.
By Tim Keary in Net Admin on January 9, 2024
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