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Winnie Ondara

Linux System Administrator

Winnie is a seasoned Linux Systems administrator, currently specializing in writing technical Linux tutorials. With over seven years of experience in deploying and working with major Linux distributions such as Ubuntu, Debian, RHEL, OpenSUSE, and ArchLinux, she has written detailed and well-written "How to" Linux guides and tutorials. Winnie holds a Bachelor's Degree in Computer Science from Masinde Muliro University, Kenya and resides in Nairobi, Kenya. She is an expert in authoring Linux and DevOps topics involving Docker, Ansible, and Kubernetes. She currently works as a freelance technical writer and consultant. In her previous roles, she worked in the capacity of an IT support specialist and Linux administrator. Her key roles included offering level 1 and 2 support to both in-house and remote staff and managing and monitoring Linux servers.

Articles by author

Published on Oct 9, 2023 Updated on Feb 28, 2025

Postgres Show Tables: How to Create a Table in PostgreSQL

This tutorial will show you how to create and show a table in PostgreSQL in various ways.

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Published on Sep 14, 2023 Updated on Mar 28, 2025

How to Remove Docker Images | Step-by-Step

This tutorial demonstrates different ways to remove Docker images on your system, including how to remove all Docker images.

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Published on Sep 7, 2023 Updated on Feb 28, 2025

Virtualization vs. Containerization | Differences + Pros and Cons

This comprehensive guide compares virtualization vs containerization technologies, exploring their pros and cons and how they compete in different aspects.

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Published on Jul 18, 2023 Updated on Jan 25, 2024

How to Install Elasticsearch on Ubuntu 22.04 | Step-by-Step

This step-by-step tutorial demonstrates how to install ElasticSearch on Ubuntu 22.04, as well as how to manipulate data using the Elasticsearch REST API.

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Published on Jul 10, 2023 Updated on Jan 24, 2025

Debian 12 "Bookworm" Release | What's New?

This is a review of Debian 12 Bookworm. It highlights new features and major enhancements offered by the release.

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Published on Jun 14, 2023 Updated on Feb 6, 2024

How to Add Elements to a List in Python? | 4 Methods

This comprehensive tutorial demonstrates four different methods on how to add elements to an existing list in Python.

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Published on Jun 7, 2023 Updated on Feb 6, 2024

How to Install Python3 on Ubuntu 22.04 | Step-by-Step

This step-by-step tutorial will show you how to install Python3 on Ubuntu 22.04 system, including setting up a local Python3 virtual environment.

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Published on May 25, 2023 Updated on Mar 18, 2025

How to Install PIP on Ubuntu 22.04 | Step-by-Step

This step-by-step pip tutorial will show you how to install pip on Ubuntu 22.04. In addition, you will learn how to install and manage installed packages.

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Published on May 15, 2023 Updated on Jan 13, 2025

How to install PHP on Ubuntu 22.04 | Step-by-Step

This step-by-step tutorial will show you how to install PHP on Ubuntu 22.04, as well as installing PHP modules.

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