---
title: "Muhammad Zohaib Khan (@zohaibk) | Hashnode"
description: "DevOps Engineer. Read the latest articles by Muhammad Zohaib Khan on Hashnode."
url: "https://hashnode.com/@zohaibk"
---

@zohaibk

# Muhammad Zohaib Khan

@zohaibk · Joined September 2025

DevOps Engineer

### [Problems in the IT world before Virtualization: The Bare Metal Era](https://containers.hashnode.dev/problems-in-the-it-world-before-virtualization-the-bare-metal-era?utm_source=hashnode&utm_medium=feed)

Explore the challenges of the bare metal era in IT before virtualization, including dependency issues, pet servers, and resource conflicts

2 min read · [containers.hashnode.dev](https://containers.hashnode.dev/problems-in-the-it-world-before-virtualization-the-bare-metal-era?utm_source=hashnode&utm_medium=feed)

[Jan 15](https://hashnode.com/posts/problems-in-the-it-world-before-virtualization-the-bare-metal-era/6968fb82970068d5e15429a1)

### [/sbin/nologin vs /bin/false vs /bin/true](https://hellounix.hashnode.dev/linux-nologin-false-true-explained?utm_source=hashnode&utm_medium=feed)

Learn the differences between \`/sbin/nologin\`, \`/bin/false\`, and \`/bin/true\` for preventing user logins in Unix-like systems for enhanced security

5 min read · [hellounix.hashnode.dev](https://hellounix.hashnode.dev/linux-nologin-false-true-explained?utm_source=hashnode&utm_medium=feed)

[Sep 9, 2025](https://hashnode.com/posts/linux-nologin-false-true-explained/68c023b56897d70e1815626c)