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Annex A. - Certificates

Private Certificates

$> openssl genrsa -out <name>.key 2048

$> openssl ecparam -genkey -name secp384r1 -out <name>.key

$> openssl req -new -x509 -sha256 \
    -key <name>.key -out <name>.crt -days 3650

Public Certificates

  • Install required packages :
$> sudo apt-get install -y dirmngr
  • Add backports repository to the sources :
$> echo 'deb http://httpredir.debian.org/debian \
    stretch-backports main contrib non-free' | \
    sudo tee -a /etc/apt/sources.list.d/debian-backports.list
  • Add the Debian package signing keys :
$> sudo apt-key adv --keyserver keyserver.ubuntu.com \
    --recv-keys E0B11894F66AEC98
$> sudo apt-key adv --keyserver keyserver.ubuntu.com \
    --recv-keys 7638D0442B90D010
$> sudo apt-key adv --keyserver keyserver.ubuntu.com \
    --recv-keys 8B48AD6246925553
  • Update package lists :
$> sudo apt-get update
$> sudo apt-get install -y certbot -t stretch-backports