apt-zephyr hook Author: Anders Kaseorg Usage: install these files to /etc/apt/apt.conf.d/90zephyr /usr/local/sbin/apt-zephyr and configure /etc/apt-zephyr.conf, e.g. CLASS="linerva" INSTANCE="apt.$(hostname)" Valid options include CLASS, INSTANCE, REALM, RECIPIENTS, SIG (default "$(hostname -f)"), OPCODE (default "auto"), ZAUTH (default "", set nonempty to enable).