linda

export DEBIAN_FRONTEND="noninteractive"
或
DEBIAN_FRONTEND="noninteractive" apt-get -y install xxx

参考：
https://blog.csdn.net/taiyangdao/article/details/80518206
https://serverfault.com/questions/227190/how-do-i-ask-apt-get-to-skip-any-interactive-post-install-configuration-steps