wget -qO- http://stable.repository.esia-sa.com/esia/trixie/gnupg.key | gpg --dearmor > /etc/apt/keyrings/esia.gpg
chmod 755 /etc/apt/keyrings/esia.gpg
echo "deb [signed-by=/etc/apt/keyrings/esia.gpg] http://stable.repository.esia-sa.com/esia trixie contrib non-free" >> /etc/apt/sources.list