Issues installing Microsoft Defender for Endpoint (mdatp) on Debian 12 (Bookworm)

Question

Hi,

I have two Debian 12 VMs running in Azure which I would like to install Defender for Endpoint (mdatp) on, but I am having issues with the Linux Software Repository for Microsoft products.

I am following the instructions here: Deploy Microsoft Defender for Endpoint on Linux manually - Microsoft Defender for Endpoint | Microsoft Learn

But the mdatp package can't be found. I believe this is because of an issue with the Repository for Debian 12.

When I run apt-get update I get the following:

W: Failed to fetch https://packages.microsoft.com/debian/12/prod/dists/bookworm/InRelease  Bad header line Bad header data

I've run through the Debian instructions on Linux Software Repository for Microsoft Products | Microsoft Learn, downloading the config from Microsoft and installing it. I've also made sure the public keys are in the right place by running:

curl -fsSL https://packages.microsoft.com/keys/microsoft.asc | sudo gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg

After apt-get update when I check the contents of /var/lib/apt/lists there is nothing Microsoft related in there, which is why I believe it can't find mdatp.

Any assistance appreciated!

Thanks,

Mark

Answer 1

ran into the same problem and found a hint at https://github.com/microsoft/vscode/issues/226935#issuecomment-2321824915

now from within the VM I was able to resolve my issues with a sequence of:

$ curl -o  /etc/apt/sources.list.d/microsoft-prod.list https://packages.microsoft.com/config/debian/12/prod.list
$ curl -sSL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | sudo tee /usr/share/keyrings/microsoft-prod.gpg > /dev/null
$ apt clean && apt autoclean && apt update && apt install mdatp

work for me... maybe for others?