Quote from: BlackHatCoiner on Today at 05:35:27 PM

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Alright, I spun up a new Debian 10 Droplet.

(1) Updated package manager and packages

Code:

sudo apt update && sudo apt upgrade

(2) Install latest protobuf for Debian 10

Code:

sudo apt install protobuf-compiler

(3) Check protoc version

Code:

root@helloworld:~# protoc --version
libprotoc 3.6.1

==> Indeed, seems like Debian 10 Buster does not have latest protobuf in its package manager by default! So it's not your fault, BlackHatCoiner! Wink

Now, last Raspibolt release is quite a while ago, so upgrading it is probably not an option. Let's solve this otherwise.
[1] Add the buster-backports sources to our package manager.

Code:

echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list.d/sources.list

[2] Update package manager

Code:

sudo apt update

[3] Install protobuf again

Code:

sudo apt install -t buster-backports protobuf-compiler

[4] Maybe, for good measure also install these (they should come with protobuf-compiler, though).

Code:

sudo apt install -t buster-backports libprotoc-dev libprotoc23