Currently, there is one problem with cerificate renewal on Ubuntu 16.04 Xenial. Basically, the error will be similar to this,
If you install
letscrypt from Ubuntu official PPA, the current version should be
0.4.1, and this is much different from the version on git,
Since the server is changed recently, so the
server key in
0.4.1 is not valid anymore and that makes error. It is fixed in
0.6.0+, and should be fine if you installed
What about the fix for
You have to add change the
server value in the config file under
Note, if there is section
[[webroot_map]], then you have to put
server above that section.
Finally, issue the renew command again, and it should work!