请教关于LNMP安装失败的原因,多谢啦！

jarphi

请大侠帮忙看看是什么原因安装不了。已上传了安装lnmp-install.log多谢啦！

licess

Err:1 http://sg.mirrors.cloud.aliyuncs.com/debian stretch InRelease
  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
Err:2 http://sg.mirrors.cloud.aliyuncs.com/debian stretch-updates InRelease
  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
Err:3 http://sg.mirrors.cloud.aliyuncs.com/debian stretch-proposed-updates InRelease
  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
Err:4 http://sg.mirrors.cloud.aliyuncs.com/debian stretch-backports InRelease
  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
Err:5 http://sg.mirrors.cloud.aliyuncs.com/debian-security stretch/updates InRelease
  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
Reading package lists...
W: Failed to fetch http://sg.mirrors.cloud.aliyuncs.com/debian/dists/stretch/InRelease  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
W: Failed to fetch http://sg.mirrors.cloud.aliyuncs.com/debian/dists/stretch-updates/InRelease  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
W: Failed to fetch http://sg.mirrors.cloud.aliyuncs.com/debian/dists/stretch-proposed-updates/InRelease  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
W: Failed to fetch http://sg.mirrors.cloud.aliyuncs.com/debian/dists/stretch-backports/InRelease  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
W: Failed to fetch http://sg.mirrors.cloud.aliyuncs.com/debian-security/dists/stretch/updates/InRelease  Could not resolve 'sg.mirrors.cloud.aliyuncs.com'
W: Some index files failed to download. They have been ignored, or old ones used instead.

你系统上设置的系统源域名无法正常解析，检查你dns是否是阿里云内部dns，不是的话无法无法使用阿里云内网源