It's already Friday, and I'm delighted 😉 to see you here.
Another day of problem-solving, so we'll see how it goes.
<h2 id="issue">Issue</h2>
<pre><code>su: Authentication failure
</code></pre>This issue is encountered when trying to <code>su</code> to root.
<h2 id="fix">Fix</h2>
Use <code>sudo</code> to become root:
<pre><code>sudo -i
</code></pre><code>su</code> fails with an authentication problem since the root account is blocked by default in Ubuntu, and there is no root password.
That's it 🥳🥳🥳
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See you next Friday in <a target="_blank" href="https://blog.idrisolubisi.com/series/devops">DevOpsFriday</a> series. Take care!!!

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 with an authentication problem since the root account is blocked by default in Ubuntu, and there is no root password.

That's it 🥳🥳🥳



I'd love to connect with you at [Twitter](https://twitter.com/olanetsoft) | [LinkedIn](https://www.linkedin.com/in/olubisi-idris-ayinde-05727b17a/) | [GitHub](https://github.com/Olanetsoft)

See you next Friday in [DevOpsFriday](https://blog.idrisolubisi.com/series/devops) series. Take care!!!

Olanetsoft's Blog | Idris Olubisi

Olanetsoft's Blog | Idris Olubisi

How to fix su: Authentication failure

Issue

Fix