apt-key adv --keyserver kerckhoffs.surfnet.nl --recv-keys   0xD40D3C61E4EDE8EA446BFFF6207701BE2C63763A

cat >> /etc/apt/sources.list.d/vi-server.org.list << \EOF
deb-src http://debian.vi-server.org/ vi main
deb http://debian.vi-server.org/ vi main
EOF