Firstly, download:

Debian.iso 12.8.0 
https://cdimage.debian.org/debian-cd/current/amd64/iso-dvd/debian-12.8.0-amd64-DVD-1.iso
alternate link: https://ncloud.dssl.ru/s/yB9otbNteqmtMNp

Required files for TRASSIR daemon installation will be provided by TRASSIR technical specialist 

Installing OS Debian:

  1. Flash the USB drive with Debian .iso
  2. Plug it in the the Server, boot from it and start the installation
  3. During the installation of Debian, select SSH server and standard system untilities

    Don't choose anything apart of "SSH server" and "standard system untilities"!


    Like this:


After DebianOS installation, don't disconnect the USB drive from the Server!

Since some dependencies for TRASSIR software will be installed from that USB.

Setting up user rights after installing Debian

There are two options:

I. Via single command:
Enable ssh on Debian for root:

sudo sed -i '/^#.*PermitRootLogin prohibit-password/s/^#//' /etc/ssh/sshd_config
systemctl restart ssh

II. Manual editing:
Enable file editing for the user created during installation:

su root
nano /etc/sudoers

In the file, under the root user line, add:

user_name ALL=(ALL) ALL

user_name - the user name specified during system installation.
An example with user "test"


A result example of file content (possible to check via "cat /etc/ssh/sshd_config"):


If you did not install SSH during system installation, install it manually:

sudo apt update
sudo apt install openssh-server
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