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 Mar 3, 2026 Updated on Mar 5, 2026

How to Install Prometheus on Ubuntu 24.04

Learn how to install Prometheus on Ubuntu 24.04, configure Node Exporter, and query metrics with PromQL for Kubernetes and DevOps monitoring.

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Published on Feb 23, 2026 Updated on Mar 5, 2026

How to Install Dokploy on Ubuntu 24.04

Install Dokploy on Ubuntu 24.04 with Docker & Traefik. Learn self-hosted PaaS setup, SSL, firewall config, and deploy apps on your VPS step by step.

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Published on Feb 20, 2026 Updated on Mar 9, 2026

How to Secure a Linux Server (11 Tips)

Boost Linux server security with essential hardening tips: updates, SSH keys, firewall, Fail2ban, SELinux, backups, and proactive monitoring best practices.

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Published on Feb 5, 2026 Updated on Feb 24, 2026

How to check CPU, Memory, and Disk Usage in Linux

Learn how to monitor CPU, memory, and disk usage in Linux using top, htop, vmstat, df, du, and advanced CLI monitoring tools for better system performance.

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Published on Jan 21, 2026 Updated on Jan 21, 2026

How to Uninstall Packages in Ubuntu Quickly

Learn how to safely uninstall software packages in Ubuntu using APT, dpkg, Snap, Flatpak, and the App Center. Keep your system clean and optimized.

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Published on Jan 12, 2026 Updated on Jan 29, 2026

Advanced Linux Commands for Intermediate Users

Master advanced Linux commands for intermediate users, covering text processing, process control, networking, and system administration to manage servers efficiently.

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Published on Dec 8, 2025 Updated on Dec 8, 2025

10 Best Open-Source Server Monitoring Tools

Explore the top 10 open-source server monitoring tools to track performance, security, and health of your servers, applications, and IT infrastructure.

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Published on Dec 2, 2025 Updated on Dec 2, 2025

How to Set Up a VPS Server from Scratch: Step-by-Step Guide

Learn how to set up a VPS step-by-step, secure your server, install essential tools, and optimize performance with this complete Cherry Servers VPS setup guide.

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Published on Nov 24, 2025 Updated on Jan 21, 2026

How to Run Linux Commands on Windows (WSL, Git Bash & More)

Learn how to run Linux commands on Windows using WSL, Git Bash, Cygwin, or virtual machines. Compare methods and choose the best setup for your workflow.

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