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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 Aug 13, 2024 Updated on Feb 13, 2025

Benefits of Bare Metal Cloud: Advantages and Use Cases Explained

Discover the benefits of bare metal cloud for secure, high-performance hosting. Explore use cases like financial services, gaming, and big data that thrive on dedicated resources.

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Published on Aug 9, 2024 Updated on Mar 6, 2025

How to Add a User to Sudoers in Ubuntu [Step-by-Step]

Learn how to add a user to sudoers in Ubuntu with this step-by-step guide. Find out how to create a regular user, and how to grant them elevated privileges to run root-level tasks using the sudo command.

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Published on Jul 30, 2024 Updated on Jan 24, 2025

How to Install Docker on Ubuntu 24.04: Step-by-Step Guide

Learn how to install Docker on Ubuntu 24.04 LTS with this comprehensive step-by-step guide, including how to manage containers and images.

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Published on May 24, 2024 Updated on Mar 24, 2025

How to Install Docker Compose on Ubuntu 24.04 [Step-by-Step]

This tutorial demonstrates how to install Docker Compose on Ubuntu 24.04, step-by-step, with examples.

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Published on May 15, 2024 Updated on Feb 26, 2025

Portainer Tutorial: How to Update [and Restart] Portainer

This tutorial demonstrates how to manage Portainer: how to update Portainer, how to restart Portainer, and update existing containers.

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Published on May 14, 2024 Updated on Feb 26, 2025

How to Use Docker Compose in Portainer | Step-by-Step

You'll learn how to use Docker Compose in Portainer, first, how to deploy Portainer, and how to use Portainer to deploy a tech stack using Docker Compose.

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Published on May 13, 2024 Updated on Mar 7, 2025

How to Create a User in Linux [With Examples]

This tutorial will show you how to create a user in Linux using either ‘adduser’ or ‘useradd’ command line tools.

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Published on May 12, 2024 Updated on Feb 26, 2025

How to Start Portainer [Portainer Docker Tutorial]

This tutorial shows how to get started with Portainer, including how to start Portainer, stop and access it, and create a container.

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Published on Apr 12, 2024 Updated on Jan 23, 2025

How to List Users in Linux [With Examples]

This tutorial shows how to list users in Linux in five ways: `cat`, `less` and `more`, `getent`, `awk`, or `grep` command.

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