<hr />
<h2 id="heading-check-dns-configuration">Check DNS configuration</h2>
<pre><code class="lang-apache"><span class="hljs-attribute">cat</span> /etc/resolv.conf
</code></pre>
<hr />
<h2 id="heading-open-the-file">Open the file</h2>
<pre><code class="lang-apache"><span class="hljs-attribute">sudo</span> code /etc/resolv.conf
</code></pre>
<p>Output</p>
<p><img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1694777723692/423b83c0-6732-424e-9a32-73413ba7aa14.png" alt class="image--center mx-auto" /></p>
<hr />
<h2 id="heading-add-the-nameserver-addresses">Add the nameserver addresses</h2>
<p>Before the changes</p>
<p><img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1694777723692/423b83c0-6732-424e-9a32-73413ba7aa14.png" alt class="image--center mx-auto" /></p>
<p>After the changes</p>
<p><img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1694777802104/d644cdad-07cd-4b56-ae5f-4443085f42e8.png" alt class="image--center mx-auto" /></p>
<hr />
<h2 id="heading-double-check-changes">Double-check changes</h2>
<pre><code class="lang-apache"><span class="hljs-attribute">cat</span> /etc/resolv
</code></pre>
<p>Output</p>
<p><img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1694777911894/d2ca8b7a-08b6-4954-ac1c-5497d4d082df.png" alt class="image--center mx-auto" /></p>
<hr />
<h2 id="heading-apply-the-changes">Apply the changes</h2>
<blockquote>
<p>Use it with caution. This will restart your network. While it wasn't necessary for my personal needs, it might be required for yours.</p>
</blockquote>
<pre><code class="lang-apache"><span class="hljs-attribute">sudo</span> service NetworkManager restart
</code></pre>
<hr />
<h2 id="heading-done"><strong>Done</strong></h2>
<hr />
<h2 id="heading-celebrate"><strong>Celebrate</strong></h2>
<p>You've made it!</p>
<p><img src="https://media.tenor.com/5F2BovYyscYAAAAd/the-office.gif" alt="The Office GIF - The Office Happy - Discover &amp; Share GIFs" /></p>
<hr />
<h2 id="heading-lets-work-together"><strong>Let's work together</strong></h2>
<ul>
<li><p><a target="_blank" href="https://github.com/alexcalaca"><strong>Github</strong></a></p>
</li>
<li><p><a target="_blank" href="https://linkedin.com/in/alexandrecalacaofficial"><strong>LinkedIn</strong></a></p>
</li>
<li><p><a target="_blank" href="https://hashnode.com/onboard?next=/@alexandrecalaca"><strong>Hashnode</strong></a></p>
</li>
<li><p><a target="_blank" href="https://www.youtube.com/@alexandrecalacaofficial"><strong>Youtube</strong></a></p>
</li>
</ul>
<hr />
<h2 id="heading-final-thoughts"><strong>Final thoughts</strong></h2>
<p>I hope this article has been helpful to you. Please feel free to reach out if you have any questions. Your thoughts, suggestions, and corrections are more than welcome.</p>
<p>By the way, don't hesitate to drop your suggestions for new blog articles.</p>
<p>I look forward to seeing you next time.</p>
<hr />


---

## Check DNS configuration

```apache
cat /etc/resolv.conf 
```

---

## Open the file

```apache
sudo code /etc/resolv.conf
```

Output

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694777723692/423b83c0-6732-424e-9a32-73413ba7aa14.png align="center")

---

## Add the nameserver addresses

Before the changes

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694777723692/423b83c0-6732-424e-9a32-73413ba7aa14.png align="center")

After the changes

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694777802104/d644cdad-07cd-4b56-ae5f-4443085f42e8.png align="center")

---

## Double-check changes

```apache
cat /etc/resolv
```

Output

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694777911894/d2ca8b7a-08b6-4954-ac1c-5497d4d082df.png align="center")

---

## Apply the changes

> Use it with caution. This will restart your network. While it wasn't necessary for my personal needs, it might be required for yours.

```apache
sudo service NetworkManager restart
```

---

## **Done**

---

## **Celebrate**

You've made it!

![The Office GIF - The Office Happy - Discover & Share GIFs](https://media.tenor.com/5F2BovYyscYAAAAd/the-office.gif align="left")

---

## **Let's work together**

* [**Github**](https://github.com/alexcalaca)
    
* [**LinkedIn**](https://linkedin.com/in/alexandrecalacaofficial)
    
* [**Hashnode**](https://hashnode.com/onboard?next=/@alexandrecalaca)
    
* [**Youtube**](https://www.youtube.com/@alexandrecalacaofficial)
    

---

## **Final thoughts**

I hope this article has been helpful to you. Please feel free to reach out if you have any questions. Your thoughts, suggestions, and corrections are more than welcome.

By the way, don't hesitate to drop your suggestions for new blog articles.

I look forward to seeing you next time.

---

how to add nameserver addresses manually  to the DNS configuration on Deepin OS 20.9?

Check DNS configuration

Open the file

Add the nameserver addresses

Double-check changes

Apply the changes

Done

Celebrate

Let's work together

Final thoughts

I'm a passionate software engineer with a deep love for turning complex problems into elegant solutions through code.


Alexandre Calaça's Blog