My personal Newbie Sunday: How to install docker on Debian.
Hello all !
Following that post, I’m offering to noobs like me the opportunity to learn how to install docker to a Debian system. Being a beginner myself, I don’t pretend to know the perfect or more appropriate way to achieve this, and I hope that more experienced people will join the conversation to correct and complete the informations I’m about to give.
The first way I know of is the way I first installed docker and portainer on my machine. I used OpenMediaVault and omv-extras, which was quite straight formard. But depending on the version you are using, you might not find omv-extras anymore in OMV, and the new way of getting docker through it is in my opinion quite painfull.
So let’s go with the simple way:
Pre-requisite : having Debian installed on your machine and SSH into it.
Set up the repository:
- Update the
apt
package index and install packages to allow apt to use a repository over HTTPS:
<pre style="background-color:#ffffff;">
<span style="color:#323232;">sudo apt-get update
</span><span style="color:#323232;">sudo apt-get install
</span><span style="color:#323232;"> ca-certificates
</span><span style="color:#323232;"> curl
</span><span style="color:#323232;"> gnupg
</span><span style="color:#323232;"> lsb-release
</span>
- Add Docker’s official GPG key:
<pre style="background-color:#ffffff;">
<span style="color:#323232;">sudo mkdir -p /etc/apt/keyrings
</span><span style="color:#323232;">curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
</span>
- Use the following command to set up the repository:
<pre style="background-color:#ffffff;">
<span style="color:#323232;">echo
</span><span style="color:#323232;"> "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian
</span><span style="color:#323232;"> $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
</span>
Install Docker Engine
- Update the
apt
package index:
<pre style="background-color:#ffffff;">
<span style="color:#323232;">sudo apt-get update
</span>
- Install Docker Engine, containerd, and Docker Compose:
<pre style="background-color:#ffffff;">
<span style="color:#323232;">sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin
</span>
- You can verify that Docker Engine is installed correctly by running the
hello-world
image.
<pre style="background-color:#ffffff;">
<span style="color:#323232;">sudo docker run hello-world
</span>
Install Portainer
- Create Docker Volume to store the data:
<pre style="background-color:#ffffff;">
<span style="color:#323232;">docker volume create portainer_data
</span>
- Install Portainer Server:
<pre style="background-color:#ffffff;">
<span style="color:#323232;">docker run -d -p 8000:8000 -p 9000:9000 --name portainer
</span><span style="color:#323232;">--restart=always
</span><span style="color:#323232;">-v /var/run/docker.sock:/var/run/docker.sock
</span><span style="color:#323232;">-v portainer_data:/data
</span><span style="color:#323232;">portainer/portainer-ce:latest
</span>
Access Portainer Dashboard
- In a browser, visit the following address:
<pre style="background-color:#ffffff;">
<span style="color:#323232;">http://<yourmachineipadress>:9000
</span>
- The first time you access Portainer, the system asks to create a password for the admin user. Type the password twice and select the Create user button.
- Select the Get Started button to go to the dashboard and start using Portainer in the local environment only.
You’re set up ! Now, you can use simple docker-composes in Portainer stacks tab to deploy new apps and services.
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