Bootstrapping dependencies for Debian-based OSes...
Hit:1 http://archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:3 http://archive.ubuntu.com/ubuntu xenial-backports InRelease
Hit:4 http://security.ubuntu.com/ubuntu xenial-security InRelease
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
gcc is already the newest version (4:5.3.1-1ubuntu1).
ca-certificates is already the newest version (20170717~16.04.1).
ca-certificates set to manually installed.
libssl-dev is already the newest version (1.0.2g-1ubuntu4.12).
openssl is already the newest version (1.0.2g-1ubuntu4.12).
python is already the newest version (2.7.12-1~16.04).
python-dev is already the newest version (2.7.12-1~16.04).
The following additional packages will be installed:
  python3-pkg-resources python3-virtualenv
Suggested packages:
  augeas-doc augeas-tools python3-setuptools
The following NEW packages will be installed:
  augeas-lenses libaugeas0 libffi-dev python-virtualenv python3-pkg-resources
  python3-virtualenv virtualenv
0 upgraded, 7 newly installed, 0 to remove and 4 not upgraded.
Need to get 751 kB of archives.
After this operation, 3096 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 augeas-lenses all 1.4.0-0ubuntu1.1 [263 kB]
Get:2 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libaugeas0 amd64 1.4.0-0ubuntu1.1 [154 kB]
Get:3 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 python-virtualenv all 15.0.1+ds-3ubuntu1 [46.6 kB]
Get:4 http://archive.ubuntu.com/ubuntu xenial/main amd64 python3-pkg-resources all 20.7.0-1 [79.0 kB]
Get:5 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 python3-virtualenv all 15.0.1+ds-3ubuntu1 [43.2 kB]
Get:6 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 virtualenv all 15.0.1+ds-3ubuntu1 [4342 B]
Get:7 http://archive.ubuntu.com/ubuntu xenial/main amd64 libffi-dev amd64 3.2.1-4 [161 kB]
debconf: delaying package configuration, since apt-utils is not installed
Fetched 751 kB in 7s (102 kB/s)
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(Reading database ... 19636 files and directories currently installed.)
Preparing to unpack .../augeas-lenses_1.4.0-0ubuntu1.1_all.deb ...
Unpacking augeas-lenses (1.4.0-0ubuntu1.1) ...
Selecting previously unselected package libaugeas0.
Preparing to unpack .../libaugeas0_1.4.0-0ubuntu1.1_amd64.deb ...
Unpacking libaugeas0 (1.4.0-0ubuntu1.1) ...
Selecting previously unselected package python-virtualenv.
Preparing to unpack .../python-virtualenv_15.0.1+ds-3ubuntu1_all.deb ...
Unpacking python-virtualenv (15.0.1+ds-3ubuntu1) ...
Selecting previously unselected package python3-pkg-resources.
Preparing to unpack .../python3-pkg-resources_20.7.0-1_all.deb ...
Unpacking python3-pkg-resources (20.7.0-1) ...
Selecting previously unselected package python3-virtualenv.
Preparing to unpack .../python3-virtualenv_15.0.1+ds-3ubuntu1_all.deb ...
Unpacking python3-virtualenv (15.0.1+ds-3ubuntu1) ...
Selecting previously unselected package virtualenv.
Preparing to unpack .../virtualenv_15.0.1+ds-3ubuntu1_all.deb ...
Unpacking virtualenv (15.0.1+ds-3ubuntu1) ...
Selecting previously unselected package libffi-dev:amd64.
Preparing to unpack .../libffi-dev_3.2.1-4_amd64.deb ...
Unpacking libffi-dev:amd64 (3.2.1-4) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...
Setting up augeas-lenses (1.4.0-0ubuntu1.1) ...
Setting up libaugeas0 (1.4.0-0ubuntu1.1) ...
Setting up python-virtualenv (15.0.1+ds-3ubuntu1) ...
Setting up python3-pkg-resources (20.7.0-1) ...
Setting up python3-virtualenv (15.0.1+ds-3ubuntu1) ...
Setting up virtualenv (15.0.1+ds-3ubuntu1) ...
Setting up libffi-dev:amd64 (3.2.1-4) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...
Upgrading certbot-auto 0.12.0 to 0.23.0...
Replacing certbot-auto...
Creating virtual environment...
Installing Python packages...
Installation succeeded.
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Missing command line flags. For non-interactive execution, you will need to specify a plugin on the command line.  Run with '--help plugins' to see a list of options, and see https://eff.org/letsencrypt-plugins for more detail on what the plugins do and how to use them.