There are a couple of ways to use the repository

dpkg -i myguard.deb
apt-get update && apt-get upgrade


apt-get install -y lsb-release wget gnupg # optional
CODENAME=lsb_release -c -s
wget -O- | apt-key add –
echo “deb [arch=amd64] $CODENAME main” > /etc/apt/sources.list.d/
apt-get update && apt-get upgrade

Pinning this repository:

You can pin this repository, but it should generally not be necessary (but is included in the first method, install myguard.deb)

echo “Package: *” > /etc/apt/preferences.d/
echo “Pin: origin” >> /etc/apt/preferences.d/
echo “Pin-Priority: 501” >> /etc/apt/preferences.d/