4.输入:sudo apt-get install libavahi-compat-libdnssd-dev后显示:sh: 1: sudo: not found
去掉sudo 输入:apt-get install libavahi-compat-libdnssd-dev后显示:
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package libavahi-compat-libdnssd-dev