Попытка установить letsencrypt на человечности 12.04 с помощью certbot-автоматической программы, но получая 404 ошибки, когда это делает склонный - получает обновление

Я пытаюсь установить letsencrypt на своей человечности 12.04, но я получаю эти 404 ошибки, что я не слишком уверен, как разрешить их.

Я не понимаю, почему это происходит все время для меня. Я устанавливаю что-то некоторое время назад, и это хорошо работает, но сверхурочное время эти вещи исчезает по некоторым причинам. Кто-то может объяснить мне, почему это происходит, когда кто-то выпускает приложение, почему они только не включают все необходимые файлы с пакетом, устанавливаемым вместо того, чтобы загрузить его на месте?

Bootstrapping dependencies for Debian-based OSes...
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Fetched 5,629 kB in 7s (727 kB/s)
apt-get update hit problems but continuing anyway...
Reading package lists...
Building dependency tree...
Reading state information...
gcc is already the newest version.
gcc set to manually installed.
python is already the newest version.
python-dev is already the newest version.
python-dev set to manually installed.
augeas-lenses is already the newest version.
libaugeas0 is already the newest version.
The following packages were automatically installed and are no longer required:
  apache2-mpm-prefork apache2.2-common apache2.2-bin
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  libssl1.0.2 python-setuptools
Recommended packages:
  python-pip
The following NEW packages will be installed:
  libffi-dev libssl1.0.2 python-setuptools python-virtualenv
The following packages will be upgraded:
  ca-certificates libssl-dev openssl
3 upgraded, 4 newly installed, 0 to remove and 234 not upgraded.
Need to get 4,312 kB/7,169 kB of archives.
After this operation, 8,584 kB of additional disk space will be used.
Do you want to continue [Y/n]? WARNING: The following packages cannot be authenticated!
  libssl1.0.2 openssl libssl-dev
Install these packages without verification [y/N]? Err http://ppa.launchpad.net/ondrej/php5/ubuntu/ precise/main libssl1.0.2 amd64 1.0.2h-1+deb.sury.org~precise+1
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