<h2 id="heading-step-1-uninstall-old-versions">Step 1: Uninstall Old Versions</h2>
<pre><code>sudo apt-get remove docker docker-engine http://docker.io containerd runc
</code></pre><hr />
<h2 id="heading-step-2-update-apt-package-and-install-dependencies">Step 2: Update apt package and install dependencies</h2>
<pre><code>sudo apt-get update
</code></pre><pre><code> sudo apt-get install \
 ca-certificates \
 curl \
 gnupg \
 lsb-release
</code></pre><hr />
<h2 id="heading-step-3-add-dockers-official-gpg-key">Step 3: Add Docker's official GPG key</h2>
<pre><code>sudo mkdir -p /etc/apt/keyrings
</code></pre><pre><code>curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
</code></pre><hr />
<h2 id="heading-step-4-setup-the-repository">Step 4: Setup the repository</h2>
<pre><code>echo \
 "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
 $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list &gt; /dev/null
</code></pre><hr />
<h2 id="heading-step-5-install-docker-engine">Step 5: Install Docker Engine</h2>
<pre><code>sudo apt-get update
</code></pre><pre><code>sudo apt-get install docker-ce docker-ce-cli http://containerd.io docker-compose-plugin
</code></pre><hr />
<h2 id="heading-step-6-test-the-installation">Step 6: Test the Installation</h2>
<pre><code>sudo service docker start
</code></pre><pre><code>sudo docker run hello-world
</code></pre><hr />
<h2 id="heading-step-7-add-your-user-to-the-docker-group">Step 7: Add your user to the Docker group</h2>
<pre><code>sudo usermod -aG docker $USER
</code></pre>PS: when you log out and back in, you should be able to run docker commands without <code>sudo</code>
<hr />
Now Docker has been successfully installed on your Ubuntu system 🍻

## **Step 1**: Uninstall Old Versions

```
sudo apt-get remove docker docker-engine http://docker.io containerd runc 
```

---

## **Step 2**: Update apt package and install dependencies

```
sudo apt-get update
```
```
 sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release
```

---

## **Step 3**: Add Docker's official GPG key

```
sudo mkdir -p /etc/apt/keyrings
```
```
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
```

---

## **Step 4**: Setup the repository

```
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
```

---

## **Step 5**: Install Docker Engine

```
sudo apt-get update
```
```
sudo apt-get install docker-ce docker-ce-cli http://containerd.io docker-compose-plugin
```

---

## **Step 6**: Test the Installation

```
sudo service docker start
```
```
sudo docker run hello-world
```

---

## **Step 7**: Add your user to the Docker group

```
sudo usermod -aG docker $USER
```

_PS: when you log out and back in, you should be able to run docker commands without `sudo`_

---


**Now Docker has been successfully installed on your Ubuntu system 🍻**

Simple, straightforward, and accurate step on how to install docker on an ubuntu machine

Installing Docker on Ubuntu

Straight-forward steps to installing docker on an ubuntu machine

Step 1: Uninstall Old Versions

Step 2: Update apt package and install dependencies

Step 3: Add Docker's official GPG key

Step 4: Setup the repository

Step 5: Install Docker Engine

Step 6: Test the Installation

Step 7: Add your user to the Docker group