---
title: "Discussion on \"How to fix su: Authentication failure\" | Hashnode"
description: "Discussion on \"How to fix su: Authentication failure\". It's already Friday, and I'm delighted 😉 to see you here.\nAnother day of problem-solving, so we'll see how it goes.\nIssue\nsu: Authentication failure\nThis issue is encountered when trying to su to root.\nFix\nUse sudo to become root:\nsudo -i\nsu fails w..."
url: "https://hashnode.com/posts/how-to-fix-su-authentication-failure/6128f2d2fd0bf8636d769aa9"
---

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# [How to fix su: Authentication failure](https://blog.idrisolubisi.com/how-to-fix-su-authentication-failure?utm_source=hashnode&utm_medium=feed)

It's already Friday, and I'm delighted 😉 to see you here. Another day of problem-solving, so we'll see how it goes. Issue su: Authentication failure This issue is encountered when trying to su to root. Fix Use sudo to become root: sudo -i su fails w...

Aug 27, 2021 · 1 min read · blog.idrisolubisi.com  
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## Written by

[Idris Olubisi](https://hashnode.com/@olanetsoft)

@olanetsoft · Lagos, Nigeria.

  
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Developer Relation Engineer | Software Engineer | Technical Writer

Software Engineer | Developer Advocate | Technical Writer | Content Creator

## Responses

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[Oct 18, 2024](https://hashnode.com/posts/how-to-fix-su-authentication-failure/6128f2d2fd0bf8636d769aa9/comment/6712100b8e87e522ae3b3083)

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