sudo apt-get install letsencrypt
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
` letsencrypt : Depends: python-letsencrypt (= 0.4.1-1) but it is not going to be installed
Depends: python:any (>= 2.7~)
E: Unable to correct problems, you have held broken packages.`
答案 0 :(得分：1)
从ubuntu中删除python包 并安装python-dev
sudo apt-get remove python
sudo apt-get install python-dev
这应解决letsencrypt安装