Liku Zelleke

Liku Zelleke

Network Configuration, Optimization, and Security Expert
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Liku Zelleke is a field support technician at DXC Technology and a prolific blogger. He has over two decades’ experience in the IT industry starting at Ethiopian Airlines in 1997, holding a number of roles during his 25 years with the company from Helpdesk Tech Support through to Database Administrator, Systems Administrator, Network Administrator and a Systems Support Professional.

He hasn’t looked back since the day, years ago, when he discovered he could combine that experience with his other passion: writing. Today, he writes on topics related to network configuration, optimization, and security.

Articles by Liku
Jitter vs. Latency
Discover how jitter and latency impact your network, how they occur, how to measure them, their differences, and the tools to manage them.
By Liku Zelleke in Net Admin on December 10, 2024
How to Set Up a VLAN
Follow this detailed guide to set up a VLAN and then configure it to allow data packets from another VLAN into it.
By Liku Zelleke in Net Admin on November 14, 2024
The Best Traceroute Alternatives
We look at the best traceroute alternatives – and three online options – that can provide you with more network traffic insights than good old TRACERT or TRACEROUTE commands.
By Liku Zelleke in Net Admin on August 20, 2025
The Best Cloud Security Tools
We look at the best cloud security tools that can help protect you organization's cloud architectures.
By Liku Zelleke in Net Admin on January 26, 2026
The 8 Best OSINT Tools in 2025
We guide you through the need for businesses to be on top of their OSINT game. We then explore the best OSINT Tools for your organization.
By Liku Zelleke in Net Admin on May 30, 2025
Network Congestion Troubleshooting Guide
Network congestion slows down performance and disrupts communication. Learn how to diagnose and resolve issues for a smoother network.
By Liku Zelleke in Net Admin on March 7, 2025
The Best Cloud Management Software Solutions
In this post we will have a look at the best cloud management tools businesses can adopt to look after the cloud architecture while they focus on their core business processes.
By Liku Zelleke in Net Admin on June 20, 2024
The Best WiFi Heatmap Software
When choosing the best WiFi heatmap software for a survey, it's crucial to consider factors such as ease of use, compatibility with various platforms and routers, insightful features like predictive analysis for growth and forecasting, and the price. A tool that offers the best return on investment always stands out.
By Liku Zelleke in Net Admin on July 25, 2025
Kubernetes Security Guide
Here is our step-by-step guide on Kubernetes security. We also review the six best Kubernetes monitoring Tools and provide free trial links.
By Liku Zelleke in Net Admin on September 8, 2025
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